CABOT CORPORATION Patent applications |
Patent application number | Title | Published |
20160137866 | Carbon Black for Waterborne Coatings - An aqueoue carbon black millbase, an aqueous carbon black liquid coating, and a method of making the millbase and liquid coating are provided. The carbon blacks are modified carbon blacks that are engineered to be able to be stirred into an aqueous vehicle without high energy milling of the carbon black. The modified carbon blacks include low organic treatment levels and the millbase and liquid coating do not require large quantities of dispersant. The resultant coatings exhibit excellent viscosity, color, hiding power and stability. | 05-19-2016 |
20160002470 | A Method For Producing Carbon Black Using An Extender Fluid - Methods for the production of carbon black using an extender fluid(s) are provided as well as methods to control one or more particle properties of carbon black utilizing extender fluids and other techniques. | 01-07-2016 |
20150183962 | Elastomeric Composites Containing Modified Fillers And Functionalized Elastomers - Elastomeric compositions are described which have at least one functionalized elastomer and at least one modified filler which has adsorbed and/or attached chemical groups, such as a triazole and/or pyrazole thereon, or other modified fillers which are also described. Methods are further described to improve hysteresis and/or abrasion resistance in elastomeric compositions containing a functionalized elastomer using the modified fillers of the present invention. | 07-02-2015 |
20150105491 | Formation of Latex Coagulum Composite for Tire Composition - A tire comprising a rubber composition based on at least an elastomer composite formed by the method of flowing a coagulating mixture of a first elastomer latex comprising a first elastomer and a particulate filler slurry along a conduit; and introducing a second elastomer latex comprising a second elastomer into the flow of the coagulating mixture. | 04-16-2015 |
20150087764 | Oxidized Carbon Blacks Treated with Polyetheramines and Coating Compositions Comprising Same - Disclosed herein are materials and compositions comprising: an oxidized carbon black having a BET surface area ranging from 50 to 700 m2/g, a DBP oil adsorption number ranging from 50 to 200 mL/100 g, and a primary particle size ranging from 7 to 30 nm; and a polyetheramine comprising ethylene oxide and propylene oxide monomers, wherein the polyetheramine coats the oxidized carbon black. Also disclosed are coatings and coating compositions comprising these materials and methods of making the same. | 03-26-2015 |
20140316058 | Elastomer Composite with Silica-Containing Filler and Methods to Produce Same - An elastomer composite with silica-containing filler is described, along with methods to make the same. The advantages achieved with the elastomer composite and methods are further described. | 10-23-2014 |
20140275395 | CORE-SHELL POLYMERIC MATERIALS - Disclosed herein are particulate core-shell materials, comprising a core comprising a polyurethane; and a shell comprising a polyacrylate, wherein the shell coats the core. Also disclosed are methods of making particulate core-shell materials, and aqueous dispersions and inkjet ink compositions comprising the same. | 09-18-2014 |
20140273701 | AEROGEL BLANKET AND METHOD OF PRODUCTION - A method of making a nonwoven wet laid aerogel blanket is provided. The aerogel blanket can exhibit improved thermal conductivity, lower corrosivity, lower dust production and a uniform structure. The blanket can be made from an aerogel floc that is formed from a slurry of aerogel particles. | 09-18-2014 |
20140267515 | AQUEOUS DISPERSIONS COMPRISING NANOCRYSTALLINE CELLULOSE, AND COMPOSITIONS FOR COMMERCIAL INKJET PRINTING - Disclosed herein are aqueous ink compositions, e.g., inkjet ink compositions, comprising at least one colorant; and a nanocrystalline cellulose present in an amount ranging from 0.5% to 5% by weight, relative to the total weight of the composition. Also disclosed are aqueous dispersions for ink compositions, and methods of commercial inkjet printing. | 09-18-2014 |
20140255694 | Methods To Recover Cesium Or Rubidium From Secondary Ore - A method to recover cesium, rubidium, or both from secondary ore is described and involves using scans and sorting techniques. Refined secondary ore is further described. | 09-11-2014 |
20140255278 | Methods To Recover Cesium Or Rubidium From Secondary Ore - A method to recover cesium, rubidium, or both from secondary ore is described and involves using scans and sorting techniques. Refined secondary ore is further described. | 09-11-2014 |
20140251179 | AQUEOUS PIGMENT DISPERSIONS - Disclosed herein are aqueous dispersions comprising: at least one pigment present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one pigment being selected from oxidized carbon blacks and modified carbon blacks having attached at least one organic group; and at least one organic solvent present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one organic solvent having a Hansen hydrogen bonding parameter (δ | 09-11-2014 |
20140208945 | PHOSPHORIC ACID TREATMENT OF CARBONACEOUS MATERIAL PRIOR TO ACTIVATION - A method of producing an activated carbon, comprising selecting a raw material for direct-activation, applying a solution of at least 50% phosphoric acid by weight at a ratio of from 0.01 pounds to 0.3 pounds of phosphoric acid solution per pound to the raw material selected for direct activation to produce a phosphoric acid treated raw material, and direct-activating the phosphoric acid treated raw material via a gas activation process to produce an activated carbon. | 07-31-2014 |
20140203129 | LINER ELEMENTS WITH IMPROVED WEAR-LIFE FOR GRINDING OPERATIONS - Some of the embodiments described herein relate to liner elements such as lifter bars that can be used in grinding mills. In one example, a lifter bar has a top elastomeric layer and a bottom elastomeric layer, the composition of the top elastomeric layer being different from that of the bottom elastomeric layer. In another example, a lifter bar is constructed from carbon black-reinforced natural rubber and has a leading face and a protrusion at a top region of the leading face. In a further example, a lifter bar is fabricated from carbon black-reinforced natural rubber and has a leading face geometry such that face angle θ remains 25° or less over an operational period measured form the time the lifter bar is new, until the height of the lifter bar is reduced by a certain amount, e.g., by 80%. Also disclosed are methods for manufacturing an elastomeric liner element and for grinding an ore. | 07-24-2014 |
20140190672 | Thermal Interface Materials - The present invention relates to thermal interface materials comprising a filler dispersed in a polymer, wherein the filler has an average aggregate particle size of less than or equal to 1 micron. Preferably the filler is a synthetic alumina, such as fumed alumina. | 07-10-2014 |
20140171304 | SILOXANE REMOVAL FROM GASES USING LIGNITE-ENHANCED ACTIVATED CARBONS AND ADSORBENT MEDIA USED THEREFOR - A method of removing siloxanes from a gas stream includes flowing the gas stream that carries siloxanes through an adsorbent media to remove at least part of the siloxanes from the gas stream, wherein the adsorbent media comprises lignite-based activated carbon. A spent adsorbent media is provided that contains the lignite-based activated carbon through which a gas stream containing siloxanes has been at least partially purified, and which may be regenerated. | 06-19-2014 |
20140166575 | OIL EMULSIFICATION AND POLYCYCLIC AROMATIC HYDROCARBON ADSORPTION USING FINE PARTICLES AS DISPERSANTS - A method for cleaning an oil spill in a marine environment includes forming a particle-stabilized emulsion containing seawater, carbon black and at least one oil spill component and allowing the at least one oil spill component to degrade, thereby removing said component from the marine environment. Carbon black can be added to an oil-seawater mixture to form a stabilized emulsion containing at least one oil spill component and the oil spill component allowed to degrade, thereby removing the at least one oil spill component from the oil spill. Also disclosed is an emulsion that includes one or more oil spill components, seawater and carbon black particles. | 06-19-2014 |
20140126936 | HIGH RESISTIVITY COATING COMPOSITIONS HAVING UNIQUE PERCOLATION BEHAVIOR, AND ELECTROSTATIC IMAGE DEVELOPING SYSTEMS AND COMPONENTS THEREOF INCORPORATING SAME - Disclosed herein are resistive composites comprising at least one resin; at least one carbon black having a surface hydrophobically modified with at least one organic group, the at least one organic group having a molecular weight of the composite of 4000 or less and comprising the formula —X(G)-, wherein X is directly attached to the at least one carbon black and is selected from arylene, heteroarylene, and alkylene, G is a substituent of X, and —X(G)- is nonionic; and wherein the resistive composite has a volume resistivity, volume fraction, X | 05-08-2014 |
20140120339 | POROUS CARBON MONOLITHS TEMPLATED BY PICKERING EMULSIONS - Porous carbon monoliths are prepared using emulsions stabilized by carbonaceous particles or aggregates. An illustrative porous carbon monolith comprises carbon black, including any graphitized carbon black particles, carbonized binder and porosity. The porosity includes first pores having a pore size within the range of from about 0.5 μm to about 100 μm and second pores having a pore size within the range of from about 1 nm to about 100 nm. The pore size distribution of the first pores does not overlap with a pore size distribution of the second pores. | 05-01-2014 |
20140093775 | ACTIVE MATERIAL COMPOSITIONS COMPRISING HIGH SURFACE AREA CARBONACEOUS MATERIALS - Disclosed herein are negative active material compositions, comprising: a carbonaceous material having a surface area of at least 250 m | 04-03-2014 |
20140045989 | ELASTOMER COMPOSITE AND METHOD FOR PRODUCING IT - A method of producing an elastomer composite. The method includes A) combining a first fluid comprising elastomer latex with a second fluid comprising particulate filler; B) causing the elastomer latex to coagulate, thereby forming masterbatch crumb; C) bringing the masterbatch crumb to a water content of about 1 weight percent to about 20 weight percent, thereby forming a dewatered coagulum; D) removing water from the dewatered coagulum by subjecting the dewatered coagulum to mechanical energy, thereby causing the dewatered coagulum to heat as a result of friction, while allowing the dewatered coagulum to achieve a temperature of about 130° C. to about 190° C., wherein water content is reduced to about 0.5% to about 3% and wherein substantially all of the decrease in water content is accomplished by evaporation, thereby producing a masticated masterbatch; and E) subjecting the masticated masterbatch to at least an additional 0.3 MJ/kg of mechanical energy while further reducing the water content. | 02-13-2014 |
20140042652 | GAS DISPERSION MANUFACTURE OF NANOPARTICULATES, AND NANOPARTICULATE-CONTAINING PRODUCTS AND PROCESSING THEREOF - In one aspect, the present invention relates to a method of making multi-phase particles that include nanoparticulates and matrix, which maintains the nanoparticulates in a dispersed state. A flowing gas dispersion is generated that includes droplets of a precursor medium dispersed in a gas phase. The precursor medium contains liquid vehicle and at least a first precursor to a first material and a second precursor to a second material. The multi-phase particles are formed from the gas dispersion by removing at least a portion of the liquid vehicle from the droplets of precursor medium. The nanoparticulates in the multi-phase particles include the first material and the matrix in the multi-phase particles includes the second material. | 02-13-2014 |
20130295501 | SURFACE MODIFICATION OF PIGMENTS AND COMPOSITIONS COMPRISING THE SAME - Disclosed herein is a method of making a modified pigment, comprising: reacting, under Mitsunobu conditions: (a) a first reactant comprising a protonated nucleophile having a pK | 11-07-2013 |
20130244160 | LOW STRUCTURE CARBON BLACK AND METHOD OF MAKING SAME - A carbon black having an I | 09-19-2013 |
20130231423 | Modified Carbon Blacks Having Low PAH Amounts And Elastomers Containing The Same - Modified carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the modified carbon black of the present invention are further described, as well as methods of making modified carbon black having a low PAH concentration. | 09-05-2013 |
20130230432 | Method And Apparatus For Reducing NOx Emissions In The Incineration Of Tail Gas - Methods for control of NO | 09-05-2013 |
20130210999 | INK COMPOSITIONS - Polyurethanes containing at least one bisphosphonate group, as well as related compositions, articles, and methods, are disclosed. | 08-15-2013 |
20130165560 | Modified Fillers And Elastomeric Composites Comprising Same - Modified fillers are described which have adsorbed and/or attached chemical groups, such as a triazole and/or pyrazole thereon. Other modified fillers are also described. Elastomeric compositions containing the modified filler are further described, as well as methods to improve hysteresis and/or abrasion resistance in elastomeric compositions using the modified fillers of the present invention. | 06-27-2013 |
20130158164 | ELASTOMER COMPOSITE WITH SILICA-CONTAINING FILLER AND METHODS TO PRODUCE SAME - An elastomer composite with silica-containing filler is described, along with methods to make the same. The advantages achieved with the elastomer composite and methods are further described. | 06-20-2013 |
20130129597 | SURFACE-TREATED METAL OXIDE PARTICLES - The invention provides metal oxide particles surface-treated with at least one alkoxysilane compound, methods of making such, and toners comprising same. | 05-23-2013 |
20130123426 | POLYMERIC PIGMENT SYSTEMS AND METHODS - A composition useful as an inkjet ink is described as well as methods of making the composition. The composition includes a pigment and a polymer and the polymer may include a polyurethane. The composition exhibits properties that make it useful in thermal and piezo inkjet applications. | 05-16-2013 |
20130099179 | METAL NANOPARTICLE COMPOSITIONS FOR REFLECTIVE FEATURES - A composition for the fabrication of reflective features using a direct-write tool is disclosed. The composition comprises metal nanoparticles having an average particle size less than 300 nm and which carry thereon a polymer for substantially preventing agglomeration of the nanoparticles, wherein the nanoparticles exhibit a metal-polymer weight ratio of 100:1 to 10:1. The composition further includes a vehicle for forming a dispersion with the metal nanoparticles. A number of electronic devices comprising a reflective layer formed from the composition are also disclosed. One example case provides an electronic device having a reflective electrode. The reflective electrode comprises a percolation network of the metal nanoparticles embedded in a matrix of the polymer and having an average particle size of less than 300 nm, wherein the reflective electrode is reflective in the visible light range and does not diffract incident light. | 04-25-2013 |
20130061773 | MODIFIED PIGMENTS - Modified pigments including an organic group containing a 5-membered heteroaromatic ring, as well as related compositions, articles, and methods, are disclosed. The diazonium salts containing a 5-membered heteroaromat is ring exhibit enhanced activity in modifying pigments, thereby resulting in modified pigments with a higher treatment level and improved dispersibility in an ink composition. | 03-14-2013 |
20130039841 | Method For Carbon Black Production Using Preheated Feedstock And Apparatus For Same - Methods for production of carbon black using high temperature feedstock at temperatures exceeding about 300° C. with fouling control are provided. An apparatus for production of carbon black according to these methods also is provided. | 02-14-2013 |
20130029258 | HYDROPHOBIC SILICA PARTICLES AND METHOD OF PRODUCING SAME - Hydrophobic silica particles are produced by reacting them with a hydrosiloxane agent. | 01-31-2013 |
20120321783 | Ink Jet Printed Reflective Features and Processes and Inks for Making Them - This invention is directed to direct write printed reflective features comprising metallic particles and/or metallic nanoparticles. Preferably, the reflective feature are formed by a direct-writing printing process, e.g., a piezo-electric, thermal, drop-on-demand or continuous ink jet printing process, using an ink comprising metallic particles, e.g., metallic nanoparticles. The invention is also directed to inks suitable for printing such reflective features using a direct write printing process and to processes for making such reflective features. | 12-20-2012 |
20120285347 | MODIFIED COLORED PIGMENTS - The present invention relates to a modified colored pigment comprising a colored pigment having an attached organic group. The organic group is attached to the colored pigment via at least one carbon atom of a C—C single bond or double bond, wherein the C—C single bond or double bond is not a component of an aromatic system. The organic group further comprises at least one activating group on at least one carbon atom of the C—C single bond or double bond. A method of preparing a modified colored pigment is also disclosed, as are aqueous and non-aqueous dispersions, e.g., including ink jet inks, comprising the modified colored pigments. | 11-15-2012 |
20120273696 | Compositions Having Multiple Responses to Excitation Radiation and Methods for Making Same - The present invention relates to a composition having a first response to a first electromagnetic radiation and, after intermediate exposure to a second electromagnetic radiation, a second response to the first electromagnetic radiation, different from the first response. In one aspect, the composition exhibits a regenerated first response to the first electromagnetic radiation after exposure to a third electromagnetic radiation. | 11-01-2012 |
20120248383 | LEAD-ACID BATTERIES AND PASTES THEREFOR - A paste suitable for a negative plate of a lead-acid battery comprises at least (a) a lead-based active material and an expander mixture comprising (b) carbon, (c) barium sulfate and (d) a lignosulfonate, wherein at least part of at least two of said components (a) to (d) are present in the paste as composite particles. | 10-04-2012 |
20120214000 | HIGH SURFACE AREA AND LOW STRUCTURE CARBON BLACKS FOR ENERGY STORAGE APPLICATIONS - The present invention, in part, relates to a carbon black having a) a nitrogen BET surface area (BET) of from about 600 m | 08-23-2012 |
20120211703 | Lead-Acid Batteries and Pastes Therefor - A paste suitable for a negative plate of a lead-acid battery, the paste comprising lead oxide and carbon black, wherein the carbon black has the following properties: (a) a BET surface area between about 100 and about 2100 m | 08-23-2012 |
20120175528 | PARTICULATE COMPOSITIONS HAVING PLURAL RESPONSES TO EXCITATION RADIATION - A particulate composition comprises a plurality of particles wherein at least one of the particles comprises at least two different crystalline and/or glass phases, each phase comprising a host lattice and a dopant sensitive to electromagnetic radiation. The different phases simultaneously produce different responses on exposure to photons of the same energy, whereby the output from the particulate composition when exposed to said photons is the sum of the responses from the different phases. | 07-12-2012 |
20120172492 | FORMATION OF LATEX COAGULUM COMPOSITE - A method of producing a coagulated latex composite. A coagulating mixture of a first elastomer latex and a particulate filler slurry is flowed along a conduit, and a second elastomer latex is introduced into the flow of the coagulating mixture. | 07-05-2012 |
20120142837 | COATING COMPRISING MULTIPOPULATION FUMED SILICA PARTICLES - The invention provides a coating comprising fumed silica particles, wherein the fumed silica particles comprise aggregates of primary particles, wherein (a) the primary particles have a bimodal or multimodal particle size distribution representing populations of particles having at least a smallest average primary particle size and a largest average primary particle size, and wherein primary particles having a smaller average primary particle size are attached to primary particles having a larger average primary particle size, or (b) the aggregates have a bi-modal or multi-modal aggregate size distribution, and a carrier. The invention additionally provides a method for preparing a coated article comprising the coating. | 06-07-2012 |
20120138856 | PHOSPHOR COMPOSITIONS - A phosphor composition comprises a host lattice, a dopant and a decay modifying component different from the dopant and the host lattice and effective to alter the rate of decay of the radiation emitted by the phosphor composition in response to excitation by photons of a given energy. The decay modifying component is added to the phosphor composition in a predetermined amount between 1 and 10,000 parts per million of the composition. By varying the amount of the decay modifying component added to the phosphor composition, it is possible to produce a set of phosphor compositions with different, controlled rates of decay of the radiation emitted by the compositions. | 06-07-2012 |
20120115275 | FORMING PHOTOVOLTAIC CONDUCTIVE FEATURES FROM MULTIPLE INKS - Photovoltaic conductive features and processes for forming photovoltaic conductive features are described. The process comprises (a) providing a substrate comprising a passivation layer disposed on a silicon layer; (b) depositing a surface modifying material onto at least a portion of the passivation layer; (c) depositing a composition comprising at least one of metallic nanoparticles comprising a metal or a metal precursor to the metal onto at least a portion of the substrate; and (d) heating the composition such that it forms at least a portion of a photovoltaic conductive feature in electrical contact with the silicon layer, wherein at least one of the composition or the surface modifying material etches a region of the passivation layer. When the surface modifying material is a UV-curable material, the process comprises the additional step of curing the UV-curable material. | 05-10-2012 |
20120115031 | LEAD-ACID BATTERIES AND PASTES THEREFOR - A paste suitable for a negative plate of a lead-acid battery comprises lead oxide and composite particles comprising carbon and silica. | 05-10-2012 |
20120108725 | HIGH LOADING CARBON BLACK MASTERBATCH FOR PRESSURE PIPE APPLICATIONS - A masterbatch for pressure pipe applications is disclosed. The masterbatch includes carbon black in a concentration that is in excess of 40 weight percent (wt %) of the masterbatch, and a high-density polyethylene (HDPE) carrier resin in a concentration that is in the range of 40 to 60 wt % of the masterbatch and has a melt flow index above 100 g/10 min at 2.16 kg/190° C. and a weight average molecular weight (Mw) that is less than 100000. The masterbatch may further include one or more additives (e.g., lubricant and/or an anti-oxidant). In some embodiments, microdispersion of carbon black in the masterbatch is rated less than 3 (according to ISO 18553). In one specific case, 98% or more of observed carbon black agglomerates are less than 30 microns. The masterbatch may be included, for example, in a pressure pipe compound where it is diluted with a base polymer. | 05-03-2012 |
20120107224 | Methods Of Making A Niobium Metal Oxide and Oxygen Reduced Niobium Oxides - Methods to at least partially reduce a niobium oxide are described wherein the process includes mixing the niobium oxide and niobium powder to form a powder mixture that is then heat treated to form heat treated particles which then undergo reacting in an atmosphere which permits the transfer of oxygen atoms from the niobium oxide to the niobium powder, and at a temperature and for a time sufficient to form an oxygen reduced niobium oxide. Oxygen reduced niobium oxides having high porosity are also described as well as capacitors containing anodes made from the oxygen reduced niobium oxides. | 05-03-2012 |
20120105559 | Metallic Dispersions for Inkjet Printing - A dispersion of silver particles and a method of making the dispersion and ink are described. The dispersion or ink may be an aqueous dispersion or ink and may produce silver images having improved properties such as an improvement in gloss. | 05-03-2012 |
20120092598 | SURFACE MODIFIED ORGANIC BLACK PIGMENTS, SURFACE MODIFIED CARBON BLACKS, PIGMENT MIXTURES USING THEM, AND LOW DIELECTRIC BLACK DISPERSIONS, COATINGS, FILMS, BLACK MATRICES, AND DEBVICES CONTAINING SAME - The present invention relates to surface modified organic black pigments, surface modified carbon blacks, pigment mixtures and dispersions formed with these pigments, curable compositions, black matrices, and products incorporating them. The surface modified organic black pigment can have attached at least one organic group having the formula —X—Z, wherein X, which is directly attached to the pigment, represents an arylene group, a heteroarylene group, an alkylene group, an aralkylene group, or an alkarylene group, and Z represents at least one ionic group, at least one ionizable group, at least one nonionic group, at least one polymeric group, or any combinations thereof. Also disclosed are carbon black pigment combinations with the surface modified organic black pigments, low dielectric black dispersions, films, and black matrices containing them. Methods of preparing and making these various materials also are provided. | 04-19-2012 |
20120081840 | Process For Manufacturing Agglomerated Particles Of Tantalum, Mixed Tantalum Powder And Process For Manufacturing Same, Tantalum Pellet And Process For Manufacturing Same, And Capacitor - A method for producing agglomerated tantalum particles, comprising: a step for grinding secondary tantalum particles, which are obtained by reducing a tantalum salt, and adding water thereto to give a water-containing mass; a step for drying said water-containing mass to give a dry mass; a step for sieving said dry mass to give spherical particles; and a step for heating said spherical particles. A mixed tantalum powder comprising a mixture of agglomerated tantalum particles (X) with agglomerated tantalum particles (Y), wherein said agglomerated tantalum particles (X) show a cumulative percentage of particles with particle size of 3 μm or less of 5 mass % or less after 25 W ultrasonic radiation for 10 min, while said agglomerated tantalum particles (Y) show a cumulative percentage of particles with particle size of 3 μm or less of 10 mass % or more after 25 W ultrasonic radiation for 10 min. | 04-05-2012 |
20120036702 | Printable Features Formed from Multiple Inks and Processes for Making Them - A process for forming a reflective feature includes the steps of (a) providing a substrate having a first surface; (b) forming a first coating on the first surface, the first coating having a second surface; and (c) forming a reflective element on the second surface, the reflective element having a third surface and comprising nanoparticles | 02-16-2012 |
20120020106 | PARTICLE CONTAINING A HYDROPHOBIC REGION AND A HYDROPHILIC REGION AND METHODS TO MAKE SAME - A particle containing a hydrophobic region and a hydrophilic region, products containing the same, a process of making the same, and uses thereof are described. A process of making the particle is also described wherein UV/Ozone techniques can be used to control the depth of organics removal from a porous hydrophobic particle such as an aerogel. The particles can be used in a variety of applications, such as a monolith, a building block, an optical waveguide, a blanket, a matting agent, a structural composite panel, a glass-fiber reinforced panel, a window, a separation wall, a composite wall, a temperature insulation panel, a sound insulation panel, a moisture resistant article, a syntactic foam, or any product of manufacture containing the particles. | 01-26-2012 |
20110317336 | High Voltage Niobium Oxides And Capacitors Containing Same | 12-29-2011 |
20110313094 | Carbon Blacks Having Low PAH Amounts And Methods Of Making Same - Carbon blacks, such as rubber blacks, having a low PAH concentration are described. Furthermore, elastomeric or rubber compositions containing the carbon black of the present invention are further described, as well as methods of making carbon black having a low PAH concentration. | 12-22-2011 |
20110303885 | METAL NANOPARTICLE COMPOSITIONS - A metal nanoparticle composition for the fabrication of conductive features. The metal nanoparticle composition advantageously has a low viscosity permitting deposition of the composition by direct-write tools. The metal nanoparticle composition advantageously also has a low conversion temperature, permitting its deposition and conversion to an electrical feature on polymeric substrates. | 12-15-2011 |
20110297536 | Sputtering Target And Method Of Fabrication - A process is described for processing metal which includes clock rolling a metal plate until the desired thickness is achieved to form a rolled plate. Sputtering targets and other metal articles are further described. | 12-08-2011 |
20110245073 | DIESEL OXIDATION CATALYSTS - A catalyst composition comprises a particulate support and catalyst nanoparticles on the particulate support. The catalyst nanoparticles comprise an alloy of platinum and palladium in an atomic ratio of from about 25:75 to about 75:25 and are present in a concentration of between about 3 and about 10 wt % weight percent of the catalyst composition. The catalyst composition has an X-ray diffraction pattern that is substantially free of the (311) diffraction peak assignable to Pt | 10-06-2011 |
20110207860 | Inkjet Ink Compositions Comprising Polymeric Dispersants Having Attached Chromophore Groups - The present invention relates to an inkjet ink composition comprising a liquid vehicle, a pigment, and a polymeric dispersant. In one embodiment, the pigment comprises a colorant having the formula A-(B) | 08-25-2011 |
20110206471 | Aerogel Composites and Methods for Making and Using Them - Composites such as self-supporting rigid composites that include aerogel have low thermal conductivity and attractive mechanical properties. Methods for preparing such composites include, for example, combining an aerogel-containing material with a binder to form a slurry and allowing the slurry to harden. At least part of the hardening process in conducted under compression. | 08-25-2011 |
20110204283 | FUMED SILICA OF CONTROLLED AGGREGATE SIZE AND PROCESSES FOR MANUFACTURING THE SAME - The invention provides fumed silica comprising aggregates that have an aggregate size and a surface area that satisfy particular formulas relating aggregate size to surface area, as well as aggregates that exhibit particular viscosity, power law exponent index, and/or elastic modulus characteristics when dispersed in liquid media. The invention also provides processes of preparing such fumed silica by combining a silica precursor with a stream of combustible gas, combusting the stream, and producing a stream of combusted gas and fumed silica particles, wherein dopants are introduced, the time/temperature profile, or history, of the stream of combusted gas and fumed silica particles is adjusted to allow for post-quench aggregate growth, and/or additional silica precursor is introduced into the stream of combusted gas. | 08-25-2011 |
20110201743 | Blends of Carbon Blacks and Products Containing the Same - Blends of carbon black or other fillers is described. The blends of carbon black or other fillers are preferably pre-blended prior to introducing the blend into a product such as an elastomeric or polymeric product. | 08-18-2011 |
20110197987 | Manufacturing and Installation of Insulated Pipes or Elements Thereof - Insulated pipe systems or assemblies include a particulate, composite or monolithic insulating aerogel material. Techniques for installing or manufacturing such systems or assemblies are described, as are components useful in the installation or manufacture processes. | 08-18-2011 |
20110162873 | FORMING CONDUCTIVE FEATURES OF ELECTRONIC DEVICES - Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator including a plurality of ultrasonic transducers underlying and ultrasonically energizing a reservoir of liquid feed which forms droplets of the aerosol. Carrier gas is delivered to different portions of the reservoir by a plurality of gas delivery ports delivering gas from a gas delivery system. The aerosol is pyrolyzed to form particles, which are then cooled and collected. The invention also provides powders made by the method and devices made using the powders. | 07-07-2011 |
20110060098 | METHOD OF PREPARING PIGMENT COMPOSITIONS - The present invention relates to a method of preparing a pigment composition comprising the steps of combining a polymer and a pigment to form a mixture and heating the mixture to a temperature of between about 70° C. and 250° C. to form the pigment composition. The method may further comprise the step of dispersing the pigment composition in an aqueous medium to form an aqueous pigment dispersion. The pigment compositions and aqueous pigment compositions can be used in an inkjet ink composition, which is also disclosed. | 03-10-2011 |
20110021664 | Elastomer Composite and Method for Producing It - A method of producing an elastomer composite. The method includes A) combining a first fluid comprising elastomer latex with a second fluid comprising particulate filler; B) causing the elastomer latex to coagulate, thereby forming masterbatch crumb; C) bringing the masterbatch crumb to a water content of about 1 weight percent to about 20 weight percent, thereby forming a dewatered coagulum; D) removing water from the dewatered coagulum by subjecting the dewatered coagulum to mechanical energy, thereby causing the dewatered coagulum to heat as a result of friction, while allowing the dewatered coagulum to achieve a temperature of about 130° C. to about 190° C., wherein water content is reduced to about 0.5% to about 3% and wherein substantially all of the decrease in water content is accomplished by evaporation, thereby producing a masticated masterbatch; and E) subjecting the masticated masterbatch to at least an additional 0.3 MJ/kg of mechanical energy while further reducing the water content. | 01-27-2011 |
20110017340 | Syntactic Foam Compositions, Pipelines Insulated with Same, and Method - Syntactic foams and thermal insulation as described containing epoxy resin, hollow microspheres, and dried sol-gel or fumed metal oxide for forming a thermal insulating layer on a substrate such as a pipeline. Methods for forming such thermal insulating layers are also described, which can include formulating with blowing agents for forming closed cells in the finished insulating foam. | 01-27-2011 |
20110009551 | HIGH RESISTIVITY COMPOSITIONS - The present invention relates to a black matrix formed by applying a curable coating composition onto a substrate to form a curable coating, curing the curable coating imagewise to form a coating, and developing and drying the coating. The curable coating composition comprises a vehicle, a curable resin, and at least one modified pigment comprising a pigment having attached at least one organic group having the formula —X—I or —X—NI, wherein X, which is directly attached to the pigment, represents an arylene or heteroarylene group, an alkylene group, an aralkylene group, or an alkarylene group, I represents a non-polymeric group comprising at least one ionic group or at least one ionizable group, and NI represents a non-polymeric group comprising at least one nonionic group. The curable coating composition, curable coating, and cured coating are also described. Also disclosed is a method of controlling the resistivity of a coating. | 01-13-2011 |
20100269635 | PRODUCTION OF METAL NANOPARTICLES - Processes for the production of metal nanoparticles. In one aspect, the invention is to a process comprising the steps of mixing a heated first solution comprising a base and/or a reducing agent (e.g., a non-polyol reducing agent), a polyol, and a polymer of vinyl pyrrolidone with a second solution comprising a metal precursor that is capable of being reduced to a metal by the polyol. In another aspect, the invention is to a process that includes the steps of heating a powder of a polymer of vinyl pyrrolidone; forming a first solution comprising the powder and a polyol; and mixing the first solution with a second solution comprising a metal precursor capable of being reduced to a metal by the polyol. | 10-28-2010 |
20100269634 | PRODUCTION OF METAL NANOPARTICLES - A process for the production of metal nanoparticles. The process comprises a rapid mixing of a solution of at least about 0.1 mole of a metal compound that is capable of being reduced to a metal by a polyol with a heated solution of a polyol and a substance that is capable of being adsorbed on the nanoparticles. | 10-28-2010 |
20100236288 | GLASS POWDERS, METHODS FOR PRODUCING GLASS POWDERS AND DEVICES FABRICATED FROM SAME - Glass powders and methods for producing glass powders. The powders preferably have a small particle size, narrow size distribution and a spherical morphology. The method includes forming the particles by a spray pyrolysis technique. The invention also includes novel devices and products formed from the glass powders. | 09-23-2010 |
20100233013 | Process For Heat Treating Metal Powder And Products Made From The Same - A method of heat treating metal powder and/or metal oxide powder by microwave energy is described. Furthermore, products made by the various processes of the present invention are further described. | 09-16-2010 |
20100230841 | AEROSOL METHOD AND APPARATUS, PARTICULATE PRODUCTS, AND ELECTRONIC DEVICES MADE THEREFROM - Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator ( | 09-16-2010 |
20100216911 | Method of Preparing a Nanoparticle Dispersion of a Modified Metal Oxide - The present invention relates to a method of preparing polymer compositions comprising modified metal oxides in a polymer wherein a nanoparticle dispersion of a metal oxide in a non-aqueous solvent is combined with at least one coupling agent to form a nanoparticle dispersion of a modified metal oxide in the non-aqueous solvent. The nanoparticle dispersion is then combined with a polymer followed by the removal of the non-aqueous solvent or, alternatively, combined with a monomer, which is polymerized to form the polymer and removal of the solvent, in any order. Also disclosed are polymer compositions prepared by this method. | 08-26-2010 |
20100158791 | FUEL REFORMER CATALYST AND ABSORBENT MATERIALS - Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials and methods for using the materials. The materials can be fabricated by spray processing. The use of the materials in AER can produce a H | 06-24-2010 |
20100151267 | METAL-CONTAINING NANOPARTICLES, THEIR SYNTHESIS AND USE - A powder batch is described comprising single crystal metal-containing particles having a crystal size of less than 50 nm as measured by X-ray diffraction and having a weight average particle size of from about 10 nanometers to less than 100 nanometers as measured by transmission electron microscopy and including a continuous or non-continuous coating of a ceramic material. The powder batch is preferably produced by flame spraying. | 06-17-2010 |
20100140840 | Aerogel Containing Blanket - A process of producing a blanket is described and can involve forming an aqueous slurry of hydrophobic aerogels, fibers, and at least one wetting agent, drying the aqueous slurry to form a substantially dried product, and calendaring the substantially dried product to form the blanket. The blanket can be used in a variety of applications, including windows. | 06-10-2010 |
20100084852 | LUMINESCENT COMPOSITIONS, METHODS FOR MAKING LUMINESCENT COMPOSITIONS AND INKS INCORPORATING THE SAME - A particulate luminescent composition is disclosed that, when excited by electromagnetic radiation at a first frequency, emits electromagnetic radiation at a second frequency equal to or within 1500 cm | 04-08-2010 |
20100059704 | FUMED SILICA OF CONTROLLED AGGREGATE SIZE AND PROCESSES FOR MANUFACTURING THE SAME - The invention provides fumed silica comprising aggregates that have an aggregate size and a surface area that satisfy particular formulas relating aggregate size to surface area, as well as aggregates that exhibit particular viscosity, power law exponent index, and/or elastic modulus characteristics when dispersed in liquid media. The invention also provides processes of preparing such fumed silica by combining a silica precursor with a stream of combustible gas, combusting the stream, and producing a stream of combusted gas and fumed silica particles, wherein dopants are introduced, the time/temperature profile, or history, of the stream of combusted gas and fumed silica particles is adjusted to allow for post-quench aggregate growth, and/or additional silica precursor is introduced into the stream of combusted gas. | 03-11-2010 |
20100034986 | Low viscosity precursor compositions and methods for the deposition of conductive electronic features - A precursor composition for the deposition and formation of an electrical feature such as a conductive feature. The precursor composition advantageously has a low viscosity enabling deposition using direct-write tools. The precursor composition also has a low conversion temperature, enabling the deposition and conversion to an electrical feature on low temperature substrates. A particularly preferred precursor composition includes silver metal for the formation of highly conductive silver features. | 02-11-2010 |
20100021634 | SECURITY FEATURES AND PROCESSES FOR FORMING SAME - Security features, e.g., reflective security features, and processes for forming security features are described. The security features comprise crystalline metal-containing particles having a primary particle size of from about 10 nanometers to less than 500 nanometers and including a continuous or non-continuous coating of a ceramic material. Inks comprising such crystalline metal-containing particles are also described. The crystalline metal-containing particles are preferably produced by flame spraying. | 01-28-2010 |
20090325792 | PROCESS FOR PRODUCING EXHAUST TREATMENT CATALYST POWDERS, AND THEIR USE - A process is described for producing a powder batch comprises a plurality of particles, wherein the particles include (a) a first catalytically active component comprising at least one transition metal or a compound thereof; (b) a second component different from said first component and capable of removing oxygen from, or releasing oxygen to, an exhaust gas stream; and (c) a third component different from said first and second components and comprising a refractory support. The process comprises providing a precursor medium comprising a liquid vehicle and a precursor to al least one of said components (a) to (c) and heating droplets of said precursor medium carried in a gas stream to remove at least part of the liquid vehicle and chemically convert said precursor to said at least one component. | 12-31-2009 |
20090324439 | Powder Metallurgy Sputtering Targets and Methods Of Producing Same - A method of forming a sputtering target and other metal articles having controlled oxygen and nitrogen content levels and the articles so formed are described. The method includes surface-nitriding a deoxidized metal powder and further includes consolidating the powder by a powder metallurgy technique. Preferred metal powders include, but are not limited to, valve metals, including tantalum, niobium, and alloys thereof. | 12-31-2009 |
20090286888 | METHOD OF PREPARING AN AGGREGATE METAL OXIDE PARTICLE DISPERSION HAVING A DESIRED AGGREGATE PARTICLE DIAMETER - The invention provides an aqueous dispersion of aggregate silica particles comprising aggregate silica particles having an aggregate structure comprised of fused primary particles, wherein the aggregate silica particles have a primary particle diameter and an aggregate particle diameter, and the average of the primary particle diameters (d | 11-19-2009 |
20090272078 | MIXING AND PACKING OF PARTICLES - A method for packing and/or mixing particulate materials, e.g., aerogel particles, includes combining materials having different particle sizes and applying a negative pressure differential in the presence of a sound field. A negative pressure differential in the presence of vibration also can be used. The method increases mixing and packing density. | 11-05-2009 |
20090244813 | Methods Of Making A Niobium Metal Oxide and Oxygen Reduced Niobium Oxides - Methods to at least partially reduce a niobium oxide are described wherein the process includes mixing the niobium oxide and niobium powder to form a powder mixture that is then heat treated to form heat treated particles which then undergo reacting in an atmosphere which permits the transfer of oxygen atoms from the niobium oxide to the niobium powder, and at a temperature and for a time sufficient to form an oxygen reduced niobium oxide. Oxygen reduced niobium oxides having high porosity are also described as well as capacitors containing anodes made from the oxygen reduced niobium oxides. | 10-01-2009 |
20090208780 | HIGH SURFACE AREA GRAPHITIZED CARBON AND PROCESSES FOR MAKING SAME - The invention is directed to high surface area graphitized carbon and to processes for making high surface area graphitized carbon. The process includes steps of graphitizing and increasing the surface area of (in either order) a starting carbon material to form high surface area graphitized carbon. The step of increasing the surface area optionally comprises an oxidizing step (e.g., through steam etching) or template removal from composite particles. The invention is also directed to catalyst particles and electrodes employing catalyst particles that are formed from the high surface area graphitized carbon. | 08-20-2009 |
20090205737 | INSULATED PIPE AND METHOD FOR PREPARING THE SAME - The invention provides an insulated pipe-in-pipe assembly comprising (a) at least one inner pipe, (b) an outer pipe disposed around the at least one inner pipe so as to create an annular space between the outer and inner pipes, (c) porous, resilient, compressible material disposed in the annular space, and (d) a remnant of a container that previously was positioned in the annular space and previously held the compressible material in a volume less than the volume of the compressible material in the annular space. The invention also provides a method for making such an insulated pipe-in-pipe assembly. | 08-20-2009 |
20090176644 | Processes for Controlling Catalyst Particle Morphology - Processes for forming catalyst particles utilizing a defoamer are described. Also described are processes for forming catalysts, where the processes comprise providing a correlation between defoamer concentration and catalyst particle morphology, and determining an amount of defoamer to include in a precursor composition to obtain the target morphology based on the correlation. | 07-09-2009 |
20090150095 | Ultrasonic Method For Detecting Banding In Metals - A method for non-destructively detecting the presence of banded regions in a metal is described. The method involves sending an ultrasonic wave into the metal and obtaining reflected signals. The reflected signals are compared with each other to determine variations in signal intensity. A banded region within the metal can be observed as a weaker reflected signal than a reflected backwall signal, thus accurately identifying a location of banding within the metal. Metal articles with a low percent of banding are also described. | 06-11-2009 |
20090148978 | PROCESSES FOR FORMING PHOTOVOLTAIC CONDUCTIVE FEATURES FROM MULTIPLE INKS - Photovoltaic conductive features and processes for forming photovoltaic conductive features are described. The process comprises (a) providing a substrate comprising a passivation layer disposed on a silicon layer; (b) depositing a surface modifying material onto at least a portion of the passivation layer; (c) depositing a composition comprising at least one of metallic nanoparticles comprising a metal or a metal precursor to the metal onto at least a portion of the substrate; and (d) heating the composition such that it forms at least a portion of a photovoltaic conductive feature in electrical contact with the silicon layer, wherein at least one of the composition or the surface modifying material etches a region of the passivation layer. When the surface modifying material is a UV-curable material, the process comprises the additional step of curing the UV-curable material. | 06-11-2009 |
20090096351 | REFLECTIVE LAYERS FOR ELECTRONIC DEVICES - Reflective electronic layers are provided for electronic devices, such as electroluminescent lamps, photovoltaic devices, and light emitting diodes. Processes for forming such reflective layers are also provided. The reflective layers comprise metallic particles that optionally are coated. | 04-16-2009 |
20090073640 | High Voltage Niobium Oxides and Capacitors Containing Same | 03-19-2009 |
20090068434 | Tantalum and Niobium Billets and Methods of Producing the Same - Extruded tantalum billets and niobium billets are described having a substantially uniform grain size and preferably an average grain size of about 150 microns or less and more preferably an average grain size of about 100 microns or less. The extruded billet can then be forged or processed by other conventional techniques to form end use products such as sputtering targets. A process for making the extruded tantalum billets or niobium billets is also described and involves extruding a starting billet at a sufficient temperature and for a sufficient time to at least partially recrystallize the billet and form the extruded billet of the present invention. | 03-12-2009 |
20090067121 | Tantalum Powder and Methods Of Manufacturing Same - Tantalum powder capable of providing a small-sized tantalum electrolytic capacitor while maintaining capacity is described. Tantalum powder in the present invention can be characterized in that the CV value is from 200,000 to 800,000 μFV/g, when measured by the following measuring method. Pellets are produced by forming tantalum powder such that the density is 4.5 g/cm | 03-12-2009 |
20090007815 | COMPOSITIONS HAVING MULTIPLE RESPONSES TO EXCITATION RADIATION AND METHODS FOR MAKING SAME - The present invention relates to a composition having a first response to a first electromagnetic radiation and, after intermediate exposure to a second electromagnetic radiation, a second response to the first electromagnetic radiation, different from the first response. In one aspect, the composition exhibits a regenerated first response to the first electromagnetic radiation after exposure to a third electromagnetic radiation. | 01-08-2009 |
20080318757 | NANOGLASS AND FLAME SPRAY PROCESSES FOR PRODUCING NANOGLASS - The invention is to processes for producing a nanoglass powder batches and to powder batches formed by such processes. In one embodiment, the process comprises the steps of providing a precursor medium comprising a first metal oxide precursor to a first metal oxide, a second metal oxide precursor to a second metal oxide, and a liquid vehicle; and flame spraying the precursor medium under conditions effective to form aggregated nanoglass particles comprising the first and second metal oxides, wherein the aggregated nanoglass particles have an average primary particle size of from 25 nm to 500 nm. The aggregated nanoglass particles preferably have an average aggregate particle size of from 50 nm to 1000 nm and may be amorphous or crystalline. | 12-25-2008 |
20080311398 | Aerogel Particles and Methods Of Making Same - Aerogel particles having a mean particle size less than 1 micron, products containing the same, processes of making the same, and uses thereof are described. A process of making the particle is also described wherein starting aerogel particles are homogenized or wet milled. The starting aerogel particles can be surface treated during the milling process to prevent agglomeration or aggregation. The aerogel particles can be used in a variety of products and applications. | 12-18-2008 |
20080302059 | Filling Fenestration Units - A method for fabricating an insulated system such as, for instance, an insulated window unit, includes introducing an insulating material between adjacent walls and stabilizing the system. Particulate insulators preferably are introduced in the system by filling an expanded internal volume. Stabilization of the system can be carried out by reducing the pressure within the internal volume. A stabilized insulated system is fabricated by introducing an insulating material between adjacent walls and stabilizing the system. Also disclosed are processes and equipment for filling insulated systems, such as fenestration units, and insulated systems comprising mixed insulating materials. | 12-11-2008 |
20080299431 | MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL - A membrane electrode assembly comprises (a) a solid electrolyte polymer membrane; (b) an anode electrocatalyst layer disposed at one surface of the membrane and comprising a first electrocatalyst composition comprising carbon substrate particles and nanoparticles comprising an alloy of platinum and ruthenium disposed on the surface of the substrate particles; (c) a cathode electrocatalyst layer disposed at an opposite surface of the membrane, the cathode layer comprising a second electrocatalyst composition different from the first electrocatalyst composition and comprising carbon substrate particles and nanoparticles comprising platinum disposed on the surface of the substrate particles; and (d) gas diffusion layers disposed over each of the anode and cathode electrocatalyst layers. When operating in a direct methanol fuel cell with an active area of 25 cm | 12-04-2008 |
20080287561 | Aerogel Based Composites - Composites, such as syntactic foams, are described. The composite contains at least one polymer and at least one aerogel. The aerogel is coated with a coating substance to at least substantially prevent the intrusion of the polymer into the pores of the aerogel. Methods of making the composite are also described, as well as uses of the composite. | 11-20-2008 |
20080233422 | COATED NICKEL-CONTAINING POWDERS - Nickel powder batches and methods for producing nickel powder batches. The powder batches include particles having a small particle size, narrow size distribution and a spherical morphology. The present invention is also directed to devices incorporating the nickel metal powders. | 09-25-2008 |
20080229704 | ARCHITECTURAL MEMBRANE STRUCTURES AND METHODS FOR PRODUCING THEM - An architectural membrane structure preferably includes an aerogel material disposed, for example, between two outer layers. The aerogel can be in monolithic or granular form or can be present in an aerogel composite. A method for manufacturing an architectural membrane structure includes securing an insert, e.g., an aerogel blanket, composite or granular aerogel, between a first and second layer. The architectural membrane structure can be used as a tensioned panel in envelopes such as roofing, overhangs, canopies or in other architectural or structural fabric applications. | 09-25-2008 |
20080226958 | ELECTROCATALYST COMPOSITIONS AND PROCESSES FOR MAKING AND USING SAME - In a method of producing a particulate electrocatalyst composition, a precursor medium comprising at least a first metal precursor, a liquid vehicle, and a substrate precursor to substrate particles is atomized into precursor droplets. The droplets are then heated to a reaction temperature of not greater than 700° C. to form composite particles comprising said first metal at least partly in an oxide form dispersed on said substrate particles. The composite particles are then collected and are heated at a first treatment temperature no greater than 250° C. in the presence of a reducing atmosphere to at least partly convert said oxide form to the metal. | 09-18-2008 |
20080226952 | PROCESSES FOR ACTIVATING MEMBRANE ELECTRODE ASSEMBLIES - A process for the activation of a membrane electrode assembly, such as a direct methanol fuel cell membrane electrode assembly, with a hydrocarbon fuel, e.g., an alkanol fuel such as methanol, and an oxidant is described. The process comprises repeatedly applying an increasing or decreasing potential in each of a plurality of cycles over a voltage range of at least 0.1 volts, e.g., at least 0.2 volts or at least 0.3 volts, until the membrane electrode assembly is substantially activated. The cycles optionally are organized in cycle sets with rest periods therebetween. The temperature at which the cycles are run optionally is increased or decreased in a respective cycle set. | 09-18-2008 |
20080226538 | Process For Production of Carbon Black - Off-gas from a carbon black furnace is employed as a combustion gas feed stream to the burner or combustion zone of the same or a different carbon black furnace in accordance with certain embodiments, suitable conduit and valving is provided to pass off-gas, from which carbon black has been substantially removed, from any and all of multiple different carbon black furnaces to the burner. The off-gas is heated, preferably by plasma heating, and dewatered. Carbon dioxide stripping or rather stripping of gas components from the dewatered heated off-gas is found to be unnecessary to achieve economically favorable use of off-gas recirculation. | 09-18-2008 |
20080206616 | CATALYST COATED MEMBRANES AND SPRAYABLE INKS AND PROCESSES FOR FORMING SAME - The invention is directed to highly porous catalyst coated membranes and to sprayable inks and processes for forming catalyst coated membranes. In one aspect, the invention is to a sprayable ink, comprising catalyst particles, polymer electolyte ionomer, and a vehicle for dispersing the catalyst particles and polymer electolyte ionomer. In another aspect, the process comprises the steps of depositing an ink comprising catalyst particles and a vehicle onto a membrane and vaporizing from 40 to 95 weight percent of the vehicle from the sprayed ink under conditions effective to form a catalyst layer on the membrane. Preferably, the depositing and vaporizing steps are alternated to form multiple stacked catalyst layers on the membrane. | 08-28-2008 |