| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 521053000 | Treating a cellular solid polymer by adding a material thereto which reacts with the polymer or forms a composition therewith, or products of said treating process | 46 |
| 20130041054 | MATERIAL FOR REMOVING CAUXIN IN CAT URINE - A method for removing cauxin in cat urine and a material for removing cauxin are provided. The material for removing cauxin in cat urine comprises a polymer substrate on which surface a trifluoroketone derivative is immobilized via dithiol. | 02-14-2013 |
| 20130085191 | POROUS POLYMER SUPPORTED POLYOXOMETALATES - A composition for the destruction of chemical warfare agents and toxic industrial chemicals having a polyoxometalate (POM) attached to an amine, carboxylic acid, or ammonium substituted porous polymer. Also disclosed is a method for attaching a POM to an amine, carboxylic acid, or ammonium substituted porous polymer by (1) dissolving the POM in water or an organic solvent, adding the functionalized porous polymer, whereby the POM ionically attaches to the amine, carboxylic acid or ammonium group, or (2) heating the POM and functionalized polymer in the presence of a dehydrating agent whereby an imide bond is produced between the POM and the functionality on the porous polymer. | 04-04-2013 |
| 20130059932 | SURFACE MODIFIED POROUS POLYMERS FOR ENHANCED CELL GROWTH - A process for surface modification of polymer that enhances cell growth as well as inhibits growth of microorganisms is disclosed. | 03-07-2013 |
| 20080281003 | Process for preparing a functionalised polyHIPE polymer - A process for preparing functionalised microporous polymers (which are also known as micro-cellular polymers or polyHIPE polymers (PHPs)) using intensified internal heating (for example by microwave irradiation). | 11-13-2008 |
| 20120035284 | BIOCIDAL PARTICLES OF METHYLATED POLYSTYRENE - Methylated polystyrene having pendant N-halamine and N-halamine precursor groups. Biocidal particles have been prepared by reacting highly crosslinked methylated polystyrene beads as starting materials with various N-halamine precursor compounds. The resulting polymer beads are halogenated with chlorine or bromine. The porous beads will be useful in disinfection applications as well as for sanitization and controlling noxious odor when mixed with absorbent materials in items such as disposable diapers, infant swimwear, incontinence pads, bandages, sanitary napkins, pantiliners, mattress covers, shoe inserts, sponges, animal litter, carpets, and fabrics. | 02-09-2012 |
| 20100197817 | ANTIMICROBIAL HOUSING AND COVER FOR A MEDICAL DEVICE - A method for immobilizing dyes and antimicrobial agents on a polymeric cover or housing for a medical device is disclosed and described. The surface may be that of a catheter, a connector, a drug vial spike, a bag spike, a prosthetic device, an endoscope, a surface of an infusion pump, a key pad, a touch screen or a handle. The surfaces may also be one or more of those associated with a infusion of a medicament or dialysis treatment, such as peritoneal dialysis or hemodialysis, where it is important that the working surface for the dialysis fluid be sterile. These surfaces include connectors for peritoneal dialysis sets or for hemodialysis sets, bag spikes, dialysis catheters, and so forth. A method for determining whether a surface has been sterilized, and a dye useful in so indicating, is also disclosed. | 08-05-2010 |
| 20100056652 | PROCESSES FOR FORMING HYDROPHILIC MEMBRANES AND POROUS MEMBRANES THEREOF - A process of forming an integral hydrophilic membrane from a porous hydrophobic membrane includes exposing a porous hydrophobic polymer membrane to a plasma, wherein the plasma contains reactive carbon dioxide species configured to covalently bond carboxylic functional groups to a surface of the polymer membrane and form the integral hydrophilic membrane. | 03-04-2010 |
| 20090215913 | Highly porous polymeric materials comprising biologically active molecules via covalent grafting - The present invention relates to highly porous polymeric materials comprising covalently grafted biologically active species. The invention also relates to a process for the preparation of highly porous materials comprising functional monomers capable of grafting to a biologically active molecular species comprising the steps of: (a) preparing an emulsion composition comprising a droplet phase and a continuous phase and containing monomers, (b) curing the emulsion and (c) optionally removing the water/droplet phase. The invention further relates to a process for grafting biologically active species to such a highly porous polymeric material comprising the steps of: (i) exposing the highly porous material to a solution of the biologically active species in a suitable solvent medium, (ii) optionally adding an activating agent, (iii) optionally heating, and (iv) rinsing the porous material with solvent medium to remove non-grafted species. The highly porous polymeric materials comprising covalently grafted biologically active species can be used e.g. as a heterogeneous catalyst, in biosensors, for chromatography, in biomedical devices and in implants. | 08-27-2009 |
| 20110065818 | POROUS RESIN BEAD AND METHOD FOR PRODUCING NUCLEIC ACID USING THE SAME - The present invention relates to a porous resin bead containing a first aromatic monovinyl compound-divinyl compound-(meth)acrylonitrile-second aromatic monovinyl compound copolymer, in which the second aromatic monovinyl compound contains a group capable of binding with a carboxyl group by dehydration condensation reaction, and in which the porous resin bead has a dry volume of from 2 to 3 ml/g. | 03-17-2011 |
| 521054000 | Treating a cellular solid polymer by adding a solid polymer or solid polymer-forming composition | 14 |
| 20090209668 | REINFORCED COMPOSITE MEMBRANE FOR POLYMER ELECTROLYTE FUEL CELL - The present invention relates to a method of manufacturing a proton-conducting reinforced composite membrane, and more particularly, to a reinforced composite membrane which is manufactured by introducing an additive into a sulfonated hydrocarbon-based polymer as a proton-conducting material, and impregnating the additive-introduced polymer into a porous polymer having excellent dimensional stability. | 08-20-2009 |
| 20090286893 | METHOD FOR PRODUCING MULTI-LAYERED THERMOPLASTIC ELASTOMER MATERIAL - The present invention relates to a method of producing multi-layered thermoplastic elastomer (TPE) composition. The TPE is used to be a polymer matrix of the material. The method comprising: (A) choosing and adding a cross-linking agent to retain the thermoplastic-property of the TPE, and (B) combining different layers by using a thermal-pressing process without glue for bonding and forming a multi-layered TPE material. | 11-19-2009 |
| 20090012191 | LIGHTWEIGHT WALL STRUCTURE MATERIAL AND PROCESS FOR MAKING - This invention relates to a method for creating a lightweight cementatious material for use in building construction. The material can be formed in panels to replace conventional drywall gypsum board. In the disclosed form the product does not include any paper or other components that serve as food for mold and therefore is mold resistant. The material has a composition of Portland cement, foamed glass beads and an acrylic co-polymer. In some forms, sand may be used as a filler and in others, the filler may be polystyrofoam particles and vermiculite. | 01-08-2009 |
| 20080214687 | Cross Linking Treatment of Polymer Membranes - Methods of forming a hydrophilic porous polymeric membrane which include preparing a porous polymeric membrane from a polymer blend which typically contains a hydrophobic non crosslinkable component (e.g. PVdF) and a component which is cross-linkable (for instance, PVP) and treating said porous polymeric membrane under cross linking conditions to produce a modified membrane with greatly improved water permeability and hydrophilic stability. Cross linking condition include chemical (e.g. peroxodisulfate species), thermal or radiation and/or combinations thereof. Non cross linked material may be washed out if desired. | 09-04-2008 |
| 20080293837 | Fluoropolymer Modified Acrylic Capstock - The invention relates to the use of an impact-modified acrylic blend with a low level of fluoropolymer to achieve impact resistance and solvent resistance in a capstock formulation. Preferably the acrylic blend contains a methyl methacrylate-based acrylic polymer and polyvinylidene fluoride. | 11-27-2008 |
| 20100036005 | FOAMED RUBBER MEMBER - An object of the present invention is to provide a foamed rubber member which has low hardness and excellent durability. The foamed rubber member of the invention, produced through an impregnation treatment of a foamed elastic body with a treatment liquid containing an isocyanate compound and an organic solvent, the foamed elastic body being produced by foaming a base rubber, exhibits a compression set smaller than that of the foamed elastic body before undergoing the impregnation treatment, and exhibits a percent increase in stress, with respect to the stress of the foamed elastic body before undergoing the impregnation treatment, of 50% or less. | 02-11-2010 |
| 20080207782 | Polyamide Foams, Process to Make Them and Applications Thereof - Closed cell polyamide foams are prepared by subjecting a polyamide resin to inert gases at an elevated pressure and at a temperature above the softening point of the resin and reducing the pressure while the temperature is maintained above the softening point of the resin, resulting in expansion of the resin. | 08-28-2008 |
| 20110269856 | CAPTURING MATERIAL, PRODUCING PROCESS THEREOF, AND SOLID-PHASE EXTRACTION CARTRIDGE - Disclosed is a capturing material including a substrate containing a porous body having continuous pores, wherein the substrate has a bilayer structure including: a surface region to which a graft polymer chain to which a capturing functional group for capturing an object to be captured is incorporated is bonded; and an inner region to which the graft polymer chain is not bonded. | 11-03-2011 |
| 20120142794 | FOAM WITH FILLING - The present invention relates to open-cell foams filled with polyamide and also to a production process therefor. | 06-07-2012 |
| 20120245239 | FAST DISSOLVING POLYIMIDE POWDERS - Polyetherimide particles or powders with a high surface area and high porosity can be prepared by precipitation of polymer solution in hot water or steam without the use of any additives. The particles or powders produced rapidly dissolved in organic solvents as well as epoxy matrices. | 09-27-2012 |
| 20110257280 | Aqueous Siloxane Formulations for the Production of Highly Elastic Polyurethane Cold Soft Foams - Aqueous cold-cure flexible foam siloxane formulations for use in the production of highly elastic cold-cure flexible polyurethane foams or for use in the production of cold-cure flexible foam activator solutions for highly elastic cold-cure polyurethane foams. | 10-20-2011 |
| 20090048356 | PROCESS FOR INTRODUCING A GAS INTO A POLYMER - A first polymer (preferably in granular form) is exposed to a gas at a pressure higher than atmospheric pressure to introduce the gas into the polymer. This occurs at a temperature from the glass transition temperature to the melting temperature when the first polymer is crystalline or semi-crystalline in nature, or at a temperature below the glass transition temperature when the first polymer is amorphous in nature. Optionally, the gas-laden polymer may then be mixed with a second polymer. The polymer is then melted to produce a foamed article. | 02-19-2009 |
| 20120059075 | HYBRID FOAM - The invention relates to highly elastic polyurethane foams which are suitable as functional materials having thermally insulating properties. | 03-08-2012 |
| 20110092606 | METHOD OF FORMING A HYDROPHILIC MEMBRANE - The present disclosure provides methods for forming hydrophilic membranes. More specifically, methods are provided for hydrophilic membranes from a solution comprising an ethylene-vinyl alcohol copolymer, water, and a first solvent. At least a portion of the first solvent is removed from the porous substrate at a temperature no greater than 500C for forming a hydrophilic membrane. | 04-21-2011 |
| 521055000 | Treating a cellular solid polymer by adding a material thereto which forms a composition therewith | 23 |
| 20100063169 | PHOSPHORAMIDE ESTER FLAME RETARDANT AND RESINS CONTAINING SAME - Certain cyclic phosphoramide ester compounds useful, inter alia, as halogen-free flame-retardant compounds, are disclosed. The compounds are particularly useful for providing flame retarded polyurethane foams. (I) | 03-11-2010 |
| 20130079427 | POLYARYLENE COMPOSITIONS FOR DOWNHOLE APPLICATIONS, METHODS OF MANUFACTURE, AND USES THEREOF - A crosslinked product of a polyarylene is disclosed, having high-temperature elastomeric properties and excellent chemical resistance. The crosslinked materials are useful in oil and gas downhole applications in the form of either solids or foams. Methods for the manufacture of the crosslinked product and articles comprising the product are also disclosed. | 03-28-2013 |
| 20090124717 | CARRIER FOR FLUID TREATMENT AND METHOD OF MAKING THE SAME - A foam containing 30 to 95% by weight of a polyolefin-based resin and 5 to 70% by weight of a hydrophilizing agent composed of a cellulose-based powder, the surface of the foam being in a melt fractured state. | 05-14-2009 |
| 20090012192 | Low Scorching Flame Retardants for Colored Polyurethane Foams - Flame retarded, colored polyurethane foam compositions having reduced discoloration, said foam compositions comprising a foam, which is the reaction product of a polyol and an isocyanate, a colorant, a flame retardant of the type that normally causes scorch and a benzofuranone derivative, as an anti-scorch stabilizer. | 01-08-2009 |
| 20110281962 | FRICTION MATERIAL AND PRODUCTION METHOD OF FRICTION MATERIAL - A friction material including: an amorphous resin that has a chain-like polymer structure; and other components that constitute the friction material and that are components other than the amorphous resin, wherein dispersion treatment is preliminarily carried out in which the amorphous resin is dispersed in at least one of the other components, and a manufacturing method of the friction material. | 11-17-2011 |
| 20090163609 | LOW DENSITY AND HIGH DENSITY POLYETHERIMIDE FOAM MATERIALS AND ARTICLES INCLUDING THE SAME - Polyetherimide foam materials, articles that include these foam materials and methods of making these foam materials and articles. The foam extrusion process uses selected blowing agents, equipment design and processing conditions to produce continuously extruded foam with a substantially uniform cell size in a lower density PEI foam, such as 25 to 50 g/L or a higher density PEI foam, such as 120 to 300 g/L. Due to the greater densities that can be produced as well as the characteristics inherent in polyetherimide articles, the resulting foam materials are suitable for a much broader range of applications. | 06-25-2009 |
| 20100210745 | Molecular Healing of Polymeric Materials, Coatings, Plastics, Elastomers, Composites, Laminates, Adhesives, and Sealants by Active Enzymes - Disclosed herein are polymeric materials such as a coating, a plastic, a laminate, a composite, an elastomer, an adhesive, or a sealant; a surface treatment such as a textile finish or a wax; a filler for such a polymeric material or a surface treatment that includes an enzyme such as an esterase (e.g., a lipolytic enzyme, a sulfuric ester hydrolase, an organophosphorus compound degradation enzyme), an enzyme (e.g., a lysozyme, a lytic transglycosylase) that degrades a cell wall and/or a cell membrane component, a biocidal or biostatic peotide, and/or a peptidase. Also disclosed herein are methods of altering a material's property such as service life, flexability, or rigidity, by incorporation of an enzyme into a material capable of being chemically crosslinked by the activity of a lipolytic enzyme, a hydrolase, and/or a urease. | 08-19-2010 |
| 20100036006 | RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME - The present invention provides a rubber composition which has closed cells and comprises (A) at least one rubber component selected from natural rubber and diene-based synthetic rubbers, (B) silica in an amount of 10 to 150 parts by mass based on 100 parts by mass of the rubber component, (C) an organic fiber in an amount of 0.02 to 20 parts by mass based on 100 parts by mass of the rubber component and (D) a silane coupling agent represented by following general formula (I): | 02-11-2010 |
| 20090099271 | Use of polymeric microparticles in building material mixtures - The use of polymeric microparticles having a cavity in hydraulically setting building material mixtures is described, from 1 to 100% by volume of the cavity of these microparticles being filled with water. In this way, remarkable concrete resistance to the freezing and thawing cycle is achieved, these microparticles providing improved protection for the concrete from the effects of the freezing and thawing cycle, even at a diameter of from 0.1 to 1 μm and in doses which are 1 to 2 orders of magnitude lower than those described in the prior art. Moreover, the compressive strength of the correspondingly hardened concrete is substantially improved, which was likewise not foreseeable. | 04-16-2009 |
| 20110269857 | POLYMER AND METHOD OF PREPARING THE SAME - Disclosed is a polymer derived from polyamic acid or a polyimide. The polymer derived from polyamic acid or a polyimide includes picopores, and the polyamic acid and the polyimide include a repeating unit obtained from an aromatic diamine including at least one ortho-positioned functional group with respect to an amine group and a dianhydride. | 11-03-2011 |
| 20090054540 | Cyanate-Based, Carbon-Dioxide-Filled Structured Foams and Method for Their Production - The present invention concerns a polycyanurate foam with a structural element A and either terminal amino groups and/or at least one of the following structural elements B, C, or D: | 02-26-2009 |
| 20090209669 | LATENT CURING AGENT - An aluminum chelating agent-based latent curing agent is provided that can rapidly cure thermosetting epoxy resins at relatively low temperatures. A method for producing the aluminum chelating agent-based latent curing agent is also provided that enables relatively facile control of the curing conditions therefor. The latent curing agent holds an aluminum chelating agent in a porous resin obtained by the interfacial polymerization of a polyfunctional isocyanate compound, and when the latent curing agent is incorporated in a curable epoxy resin composition for differential scanning calorimetric (DSC) measurement, the DSC exothermic peak temperature of the curable epoxy resin composition for DSC measurement that contains the latent curing agent that has been treated by immersion in a nonaqueous polar solvent can be brought to not less than the DSC exothermic peak temperature of the curable epoxy resin composition for DSC measurement that incorporates the latent curing agent that has not been subjected to the immersion treatment. | 08-20-2009 |
| 20110245358 | HYDROGEL CONTACT LENSES HAVING IMPROVED WETTABILITY - The present invention relates to a hydrogel contact lens having improved wettability, and particularly to a hydrogel contact lens of a complex membrane having an IPN (interpenetrating polymer network) intra structure, which is prepared by crosslinking composition for a contact lens comprising, as a main ingredient, an acryl monomer and an oligosaccharide and optionally a silicone compound. Due to the presence of an oligosaccharide in a contact lens herein, tensile strength and wettability can be maximized to provide a superior wearing feeling and maintain wettability even after a long-term storage in a care solution such as a washing solution, a storage solution and a protein-removing solution. | 10-06-2011 |
| 20110054052 | POLYURETHANE FOAM COMPOSITION AND POLYURETHANE FOAM PREPARED USING SAME - A polyurethane foam composition that includes polyol, isocyanate, a catalyst, a surfactant, a physical blowing agent, a chemical blowing agent, a nucleating agent and a silsesquioxane compound is provided. | 03-03-2011 |
| 20080249201 | Hydrophilic Vinylidene Fluoride Resin Composition and Method for Production Thereof - A hydrophilic vinylidene fluoride resin composition, comprising: porous vinylidene fluoride polymer particles and a hydrophilic polymer having a weight-average molecular weight of at least 2×10 | 10-09-2008 |
| 20090118384 | HYDROPHOBIC AND/OR OLEOPHOBIC OPEN CELL POLYIMIDE ACOUSTIC AND THERMAL INSULATION FOAMS AND METHODS OF MAKING - Provided are methods of treating an open cell polyimide foam product to produce a treated polyimide foam product having a property of repelling water or oil. The method includes the steps of: selecting a polyimide foam product having an external surface area and an open cell structure that has an interior surface area, wetting the exterior surface area and the interior surface area with a chemical treatment fluid comprising a treatment chemical that has a property of repelling water or oil, and distributing the treatment chemical onto at least a portion of the interior surface area sufficient to modify a surface property of the interior surface. Also provided are treated polyimide foam products that have an open cell polyimide foam substrate with an interior surface area and a treatment chemical on at least a portion of the interior surface area. The treatment chemical renders the interior surface hydrophobic or oleophobic. | 05-07-2009 |
| 20080275149 | DURABLE CONCRETE COMPOSITIONS - Methods of controlling the durability of and/or the amount of air in concrete formulations that include combining cement, water, and optionally aggregates, admixtures and/or additives to form a cement mixture; and adding prepuff particles to the cement mixture to form a concrete formulation. The prepuff particles have an average particle diameter of from 0.2 mm to 3 mm, a bulk density of from 0.015 g/cc to 0.35 g/cc, an aspect ratio of from 1 to 3, and a smooth continuous outer surface. The cured and hardened concrete formulation typically has a relative dynamic modulus of at least 70% determined according to Procedure A of ASTM C666 (2003). The amount of air in the concrete typically increases over the amount of air in similar formulations not containing prepuff particles, as determined according to ASTM C231, based on the volume percent of prepuff. The concrete formulations can be used to make articles. | 11-06-2008 |
| 20110021649 | Sponge-Forming Liquid Silicone-Rubber Composition and Silicone Rubber Sponge Made Therefrom - A sponge-forming liquid silicone-rubber composition comprising: a diorganopolysiloxane (A) comprising a diorganopolysiloxane (A1) that has alkenyl groups on both molecular terminals and does not have any alkenyl groups in molecular side chains; and a diorganopolysiloxane (A2) that has two or more alkenyl groups in molecular side chains; an organohydrogenpolysiloxane (B) that has in one molecule at least two silicon-bonded hydrogen atoms; a mixture (C) composed of water and inorganic thickener; an emulsifier (D); a hydrosilylation-reaction catalyst (E); and a curing retarder (F). The aforementioned sponge-forming liquid silicone-rubber composition provide a silicone-rubber sponge that has a reduced coefficient of shrinkage upon molding, does not bleed out non-cross-linked components, and has a fine, uniform, and continuous porosity. | 01-27-2011 |
| 20110021648 | SILICONE FOAM WITH ADDED THERMAL AGENT AND USES OF THE FOAM - The foam comprises a mixture of silica, a polyorganosiloxane resin and a polyorganosiloxane hardener, added with a thermal insulator and an adhesion agent. The thermal insulator is ammonium polyphosphate. The foam is well appropriate as a filling and partitioning product in railway applications. | 01-27-2011 |
| 20100273902 | DURABLE CONCRETE COMPOSITIONS - Methods of controlling the durability of and/or the amount of air in concrete formulations that include combining cement, water, and optionally aggregates, admixtures and/or additives to form a cement mixture; and adding prepuff particles to the cement mixture to form a concrete formulation. The prepuff particles have an average particle diameter of from 0.2 mm to 3 mm, a bulk density of from 0.015 g/cc to 0.35 g/cc, an aspect ratio of from 1 to 3, and a smooth continuous outer surface. The cured and hardened concrete formulation typically has a relative dynamic modulus of at least 70% determined according to Procedure A of ASTM C666 (2003). The amount of air in the concrete typically increases over the amount of air in similar formulations not containing prepuff particles, as determined according to ASTM C231, based on the volume percent of prepuff. The concrete formulations can be used to make articles. | 10-28-2010 |
| 20100292353 | Silicone Antifoam Particles - Antifoam particles contain: (A) porous copolymers of urea or melamine or a mixture thereof with an alkanal, and (B) a silicone antifoam composition which is liquid at 0° C. The invention also provides pulverulent antifoam agents which comprise antifoam particles and optionally further carrier materials. | 11-18-2010 |
| 20120252911 | FLAME RETARDANT - Use of a phosphorus compound of the formula (I) as flame retardant, | 10-04-2012 |
| 20100168260 | POROUS MATERIALS AND PROCESS FOR THEIR PRODUCTION - The present invention relates to a porous material comprising
| 07-01-2010 |
