| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 205615000 |
Preparing nonmetal element
| 139 |
| 205464000 |
Preparing inorganic compound
| 108 |
| 205413000 |
Preparing organic compound
| 82 |
| 205560000 |
Preparing single metal
| 51 |
| 205335000 |
Involving measuring, analyzing, or testing during synthesis
| 50 |
| 205354000 |
Utilizing fused bath
| 47 |
| 205340000 |
Utilizing electromagnetic wave energy during synthesis (e.g., visible light, etc.)
| 39 |
| 205349000 |
Recycling electrolytic product produced during synthesis back to production cell
| 21 |
| 205351000 |
Treating electrolyte or bath without removal from cell other than agitating, moving, regenerating, replenishing, or replacing consumed material during synthesis
| 17 |
| 205350000 |
Treating electrode, diaphram, or membrane during synthesis (e.g., corrosion prevention, etc.)
| 15 |
| 205412000 |
Heating or cooling electrolyte or bath in production cell during synthesis except in fused bath
| 11 |
| 205343000 |
Involving fuel cell
| 11 |
| 205341000 |
Utilizing AC or specified wave form other than pure DC
| 11 |
| 205338000 |
Utilizing subatmospheric or superatmospheric pressure during synthesis
| 9 |
| 205557000 |
Preparing alloy
| 7 |
| 205339000 |
Utilizing magnet or magnetic field during synthesis
| 6 |
| 205344000 |
Utilizing bipolar membrane
| 6 |
| 205345000 |
Utilizing plural distinct electrolytic cells where the cells are separate containers | 5 |
| 20100187124 | Process for regenerating alkali metal hydroxides by electrochemical means - This invention relates to the desulfurization of a hydrocarbon feedstock by contacting said feedstock with an aqueous metal hydroxide solution, thus resulting in a desulfurized feedstock and an aqueous metal sulfide stream. In the present invention, the aqueous metal sulfide stream is split into at least three fractions and each fraction is passed to a different electrochemical cell, connected in series to regenerate the metal hydroxide required in the desulfurization process and recover sulfur, metal hydroxide, and hydrogen. In a preferred embodiment, at least a portion of the metal hydroxide that is produced in the electrochemical metal hydroxide regeneration process of the present invention is recycled for use in the process for desulfurizing the sulfur-containing hydrocarbon feedstock. | 07-29-2010 |
| 20100206741 | PROCESS FOR MULTIPLE STAGE DIRECT ELECTROWINNING OF COPPER - A system and process for recovering copper from a copper-containing ore, concentrate, or other copper-bearing material to produce high quality cathode copper from a leach solution without the use of copper solvent/solution extraction techniques or apparatus. A process for recovering copper from a copper-containing ore generally includes the steps of providing a feed stream containing comminuted copper-containing ore, concentrate, or other copper-bearing material, leaching the feed stream to yield a copper-containing solution, conditioning the copper-containing solution through one or more physical or chemical conditioning steps, and electrowinning copper directly from the copper-containing solution in multiple electrowinning stages, without subjecting the copper-containing solution to solvent/solution extraction prior to electrowinning. | 08-19-2010 |
| 20130098773 | DEVICE FOR EXTRACTING SHORT-CIRCUITING WEDGES DESIGNED FOR SWITCHING IN AN ELECTROLYSIS CELL FOR THE PRODUCTION OF ALUMINUM - Extraction device designed to extract a short-circuiting wedge inserted between two conductors to take an electrolysis cell offline. The extraction device includes a means of gripping said wedge and, in conjunction with the upper horizontal face of each conductor, at least one jack directed vertically and including a body and a stem,
| 04-25-2013 |
| 20120138475 | APPARATUS AND METHOD FOR REDUCTION OF A SOLID FEEDSTOCK - In a method for reduction of a solid feedstock, such as a solid metal compound, in an electrolytic apparatus a portion of the feedstock is arranged in each of two or more electrolytic cells ( | 06-07-2012 |
| 20120234689 | Electrochemical Process for the Preparation of Nitrogen Fertilizers - A method for producing fertilizers comprising feeding gaseous reactants comprising at least one nitrogen source and a source of hydrogen selected from the group consisting of a hydrogen-containing salt, a hydrogen-containing compound, and a hydrogen-containing gas to a reactor, the reactor including at least one reaction chamber, at least one anode, at least one cathode, and at least one electrolyte between each at least one anode and each at least one cathode, providing electricity to drive anodic and cathodic reactions, and producing a fertilizer having nitrogen by providing a nitrogen source of the at least one nitrogen source and at least one carbon source to the at least one cathode and a nitrogen source of the at least one nitrogen source to the at least one anode. | 09-20-2012 |
| 205348000 |
Utilizing fluidized bed or particulate electrode | 3 |
| 20090288956 | System For Recycling Printed Circuit Boards - A process for recycling printed circuit boards includes pyrolyzing a number printed circuit boards to from an ash. Metals form the circuit boards are separated from the ash by density separation techniques. The metals are formed into a slurry electrode. The slurry electrode and a deposition electrode are placed in an electrolyte bath and the metals are electrorefined to form bars of metal. The slurry electrode is made by combining powderized metals with carbon powder and an ionic liquid to form an electrode paste. The electrode paste is placed inside a container with a screen to form the slurry electrode. | 11-26-2009 |
| 20080277287 | HIGH RATE ELECTROCHEMICAL DEVICES - A device and system useful for highly efficient chemical and electrochemical reactions is described. The device comprises a preferably porous electrode and a plurality of suspended nanoparticles diffused within the void volume of the electrode when used within an electrolyte. The device is suitable within a system having a first and second chamber preferably positioned vertically or in other special arrangements with respect to each other, and each chamber containing an electrode and electrolyte with suspended nanoparticles therein. When reactive metal particles are diffused into the electrode structure and suspended in electrolyte by gasses, a fluidized bed is established. The reaction efficiency is increased and products can be produced at a higher rate. When an electrolysis device can be operated such that incoming reactants and outgoing products enter and exit from opposite faces of an electrode, reaction rate and efficiency are improved. Ideally, this device and system can be used to rapidly produce significant quantities of high purity hydrogen gas with minimal electricity cost. | 11-13-2008 |
| 20090032405 | Molten Salt Electrolytic Cell and Process for Producing Metal Using the Same - A molten salt electrolytic cell comprises a vessel filled with a molten salt bath, an anode immersed in the bath, and a cathode immersed in the bath, and the cathode is hollow. | 02-05-2009 |
| 205352000 |
Utilizing emulsion, dispersion, or suspension electrolyte system | 1 |
| 20090008262 | New method for the preparation of reactive compositions containing superoxide ion - The subject invention provides a potentially economically viable method for the preparation of reactive superoxide ion in deep eutectic solvents (DES). The superoxide ion can be used for many applications, e.g. the degradation of hazardous chemicals at ambient conditions or in the synthesis of some special chemicals, e.g. carboxylic acids, aldehydes, and ketones from the corresponding alcohols. The superoxide ion can be formed by either the electrochemical reduction of oxygen in DES or by dissolving Group 1 (alkali metals) or Group 2 (alkaline earth metals) superoxides, e.g. potassium superoxide, in DES, with/without chemicals used for the enhancement of the solubility of the metal superoxide in the DES, e.g. crown ethers. | 01-08-2009 |
| Entries |
| Document | Title | Date |
|---|
| 20100108534 | ELECTROCHEMICAL ACTUATOR - A valve system includes a gas generator coupled to a first chamber and a passage for conveying a flow of fluid therethrough. The first chamber is configured to hold a gas generated by the gas generator. The chamber includes a diaphragm deformable in response to an increase in an amount of the gas in the first chamber received by the gas generator. A deformation of the diaphragm in response to the increase in the amount of the gas in the first chamber inhibits flow of the fluid through the passage. | 05-06-2010 |
| 20120193242 | Tubular Electrochemical Cell - A membrane electrode assembly (MEA) comprises substantially concentric and tubular-shaped layers of a cathode, an anode and an ion-exchange membrane. The MEAs of the invention can be used in an electrochemical cell, which comprises the following layers which are tubular-shaped, arranged substantially concentrically, and listed from the inner layer to the outer layer; (i) a cylindrical core; (ii) one of the electrodes; (iii) a membrane; (iv) the other of the electrodes; and (v) an outer cylindrical sleeve. | 08-02-2012 |
| 20080296168 | Multi-pulse protocol for use with a dual voltage electrolysis apparatus - An electrolysis system ( | 12-04-2008 |
| 20080296167 | Multi-cell dual voltage electrolysis apparatus and method of using same - A method and apparatus for achieving high output efficiency from an electrolysis system ( | 12-04-2008 |
| 20090166214 | Porous Ceramic Materials - The present invention relates to porous articles, including porous ceramic materials, which can be used in a variety of settings, but find particular use in connection with electrochemical devices such as fuel cells, as well as methods of their manufacture and use. The porous ceramic may have, in some aspects of the invention, an average pore size of between about 1 micrometer and about 300 micrometers, and in some cases, certain advantageous permeability characteristics with respect to species useful in certain types of electrochemical devices. In some cases, the ceramic may be sufficiently porous to allow gaseous molecules (e.g., air or oxygen, gaseous fuels, etc.) and/or liquids (e.g., water or liquid fuels) to be transported therethrough, and/or the ceramic may be substantially resistive or impermeable to a liquid such as a non-wetting liquid, for instance, a liquid metal such as liquid (molten) tin. Another aspect of the invention is generally directed to systems and methods of forming such porous ceramics. In one set of embodiments, a porous ceramic may be formed by impregnating a template (for example, an interconnected template, typically three-dimensional) with a ceramic precursor, causing the ceramic precursor to form a ceramic having an open channel structure, and removing the template. The ceramics of the present invention may find use in a wide variety of applications, including kiln furniture, filters, catalyst supports, fuel cells, carriers for absorbents, insulators, or separators (e.g., for a burner and a flame), and the ceramics may be useful at a broad range of temperatures. For example, a ceramic may be used to separate a fuel from an electrode in a fuel cell (for instance, by converting fuel molecules to produce reaction products), as the ceramic may be permeable to a gas and/or a liquid. Other aspects of the invention relate to kits involving such ceramics, methods of promoting the making or use of such ceramics, and the like. | 07-02-2009 |
| 20120186987 | MULTI-ELECTRODE CHEMIRESISTOR - The invention relates to “solid state” chemiresistor sensors with electric control of the affinity of a chemosensitive material. The configurations of the present invention enable the fast regeneration of the sensor after analyte binding, which therefore increases selectivity. In one embodiment the chemiresistor sensor is implemented as a multi-electrode chemiresistor, comprising 4 electrodes for the separate measurement of the resistance of the chemosensitive material and the contact resistance, and 2 further electrodes to control the redox state of the chemosensitive sensor material, thereby facilitating fast and effective regeneration of the sensor. | 07-26-2012 |
| 20090090637 | Reliable, Fault-Tolerant, Electrolyzer Cell Stack Architecture - A method for increasing the reliability of an electrolyzer cell stack includes providing multiple electrolyzer cell stacks. Each electrolyzer cell stack includes multiple cells separated by electrically conductive interconnects. The method may further include generating, using an external power source, an electrical current through each of the electrolyzer cell stacks to produce a fuel. The method may further include electrically connecting an interconnect of a first electrolyzer cell stack to an interconnect of a second electrolyzer cell stack located at a substantially equivalent electrical potential. This allows current to flow from one electrolyzer cell stack to another in the event a cell fails or creates a point of high resistance. | 04-09-2009 |
| 20090229990 | ELECTROLYSER AND COMPONENTS THEREFOR - The present invention is directed to cell plates for an electrolyser module and to an electrolyser module incorporating the plates. The plates comprise an electrolysis chamber opening, at least one degassing chamber opening, and at least one gas-liquid conduit opening. The plates further comprise a channel connecting the electrolysis chamber opening and the gas-liquid conduit opening. The present invention is directed further to a process and apparatus for separating a gas-liquid mixture generated at an electrolysis cell. | 09-17-2009 |
| 20110127169 | ELECTRODE FOR FIXED OXIDE REACTOR AND FIXED OXIDE REACTOR - A solid oxide reactor provided with an electrode structure comprising a first electrode, a second electrode ( | 06-02-2011 |
| 20110233066 | MICROELECTROMECHANICAL (MEMS) PRESSURE TRANSDUCER - A pressure transducer for measuring pressure may include an all-polymer chamber that has no dimension greater than 1 mm. There may be fluid within the chamber, a gaseous bubble trapped within the fluid, and electrodes in contact with the fluid. The electrodes may enable a measurement of changes in the impedance of the fluid caused by changes in the volume of the gaseous bubble caused by changes in the pressure to be measured. | 09-29-2011 |
| 20110048959 | Electrochemically-Activated Liquids Containing Fragrant Compounds - A device for dispensing a fragrant, electrochemically-activated liquid, the device comprising an electrolysis cell configured to electrochemically activate the liquid and to diffuse one or more fragrant compounds into the liquid to provide the fragrant, electrochemically-activated liquid. | 03-03-2011 |
| 20090127123 | MAKING A TWO-PHASE LIQUID/LIQUID OR GAS SYSTEM IN MICROFLUIDICS - The invention relates to a microfluidic device for making a liquid/liquid or gas biphasic system using a first liquid or a gas and a second liquid, non-miscible with each other, the device having a first hydrophobic surface for the second liquid, the first liquid forming a layer ( | 05-21-2009 |
| 20110253548 | ELECTROLYTE WITH LOWERED RIGIDITY, AND ELECTROCHEMICAL SYSTEM COMPRISING SUCH AN ELECTROLYTE - An electrolyte plate for an electrochemical system including a first and a second face opposite to each other of larger surface areas, both faces being separated by a given distance. The first face includes linear protrusions and the second face includes linear recesses, the protrusions and the recesses being substantially parallel to each other. Each protrusion is superposed to a recess along a direction substantially orthogonal to a mean plane of the plate, the distance separating a bottom of each recess from a vertex of the superposed protrusion being substantially equal to the distance between the first and the second face so that the electrolyte plate has a substantially constant thickness. | 10-20-2011 |
| 20100187122 | METHOD AND SYSTEM OF ELECTROLYTIC TREATMENT - Electrocatalytic generation of halogenated biocides are disclosed by electrolyzing low salinity water with an applied current. The direction of the applied current is reversed periodically, for a shorter duration, and at a lower current density. Mixed types of electrodes are utilized without a significant reduction in reliability and performance. | 07-29-2010 |
| 20120145557 | ELECTROCHEMICAL PHASE TRANSFER DEVICES AND METHODS - Devices and methods for electrochemical phase transfer utilize at least one electrode formed from either glassy carbon or a carbon and polymer composite. The device includes a device housing defining an inlet port ( | 06-14-2012 |
| 20090308757 | ELECTROCHEMICAL REACTOR - The disclosure pertains to an electrochemical reactor ( | 12-17-2009 |
| 20100170805 | Aqueous composition containing a salt, manufacturing process and use - Aqueous composition containing at least one salt in an amount of at least 30 g/kg of composition, of which the total organic carbon content is at least 1 μg of C/l and at most 5 g of C/l of composition and which contains at least one carboxylic acid. | 07-08-2010 |
| 20120000787 | PLASMA-ARC-THROUGH APPARATUS AND PROCESS FOR SUBMERGED ELECTRIC ARCS - An application for a recycler includes a pressure and temperature resistant metal vessel that is filled with a liquid. Within the vessel is at least one submerged electric arc between a pair of carbon base electrodes powered by either a DC or AC current. The vessel has mechanical systems that maintain and optimize the electric arc. The electric arc produces a combustible gas. The liquid is pumped through a bore in one or more of the electrodes, delivering the liquid directly to the location of the arc, thereby reducing or eliminating any ignition of the gas by the arc. | 01-05-2012 |
| 20120012466 | Modular Cartridge System for Apparatus Producing Cleaning and/or Sanitizing Solutions - The presently disclosed subject matter comprises a method and system for producing cleaning and/or sanitizing solutions using a replaceable cartridge system. Particularly, the consumables needed to electrochemically or chemically produce the cleaning and/or sanitizing solutions can be supplied in a cartridge in a quantity measured to last for the chosen design life of the cartridge. Alternatively, the cartridge can comprise cleaning and/or sanitizing precursors that can be pre-prepared and supplied in a highly concentrated form. | 01-19-2012 |
| 20120312696 | METHOD OF MANUFACTURING PROTON-CONDUCTING MEMBRANES - A process for producing proton-conducting membrane, the process comprising: mixing (i) 5% to 60% by volume of an electrically nonconductive inorganic powder having a good acid absorption capacity, the powder comprising essentially nanosize particles; (ii) 5% to 50% by volume of a polymeric binder that is chemically compatible with acid, oxygen and the fuel; and (iii) 10 to 90% by volume of an acid or aqueous acid solution, wherein the mixing is conducted at various rate steps, thereby producing a proton-conducting mixture; continuously casting the proton-conducting mixture on rolled paper, non-woven matrix or the like at ambient temperature; drying the casted proton-conducting mixture at a temperature of greater than 100° C. for approximately 5 to 30 minutes, thereby forming a dry film; and laminating a plurality of the dry films together under pressure, and thereafter extracting pore-former out of pores of the dry films, thereby forming the proton-conducting membrane having an average pore size of less than 30 nanometers. | 12-13-2012 |
| 20120312695 | COMPOSITE MEMBRANE FOR POLYMER ELECTROLYTE MEMBRANE FUEL CELL - The present invention relates generally to conducting polymer composites for use in electrochemical applications and electrolysis applications, and methods of making the same. A composite material is provided that includes a conducting polymer; and a silsesquioxane compound. The composite material is used to prepare ion conducting membranes and membrane electrode assemblies (MEA). | 12-13-2012 |
