| Patent Number |
Title Of Patent |
Date Issued |
| 4526001 |
Method and means for controlling air-to-fuel ratio |
July 2, 1985 |
| A method for controlling the air-to-fuel ratio fed to an engine or other combustion device provides for periodically adjusting the air-to-fuel ratio to stoichiometric or near stoichiometric, within the response range of the conventional exhaust gas sensor employed. This establishes a |
| 4525518 |
Chalking-resistant, calcined kaolin clay pigment and method of making |
June 25, 1985 |
| Novel pigments useful as primary extenders in exterior grade latex formulations are described. The pigments are composed of particles of calcined clay, substantially all the particles of which are finer than about 44 microns and having an average particle size, equivalent spherical d |
| 4522894 |
Fuel cell electric power production |
June 11, 1985 |
| A process for generating electricity from a fuel cell includes generating a hydrogen-rich gas as the fuel for the fuel cell by treating a hydrocarbon feed, which may be a normally liquid feed, in an autothermal reformer utilizing a first monolithic catalyst zone having palladium and plat |
| 4520422 |
Ceramic multilayer electrical capacitors |
May 28, 1985 |
| Ceramic multilayer capacitors are prepared having a reduced metal content in the electrode by the use of finely-divided metal alloy flaked particles. |
| 4520119 |
Cracking catalyst and manufacture thereof |
May 28, 1985 |
| By-product fines from the manufacture of zeolitic cracking catalysts from microspheres of calcined clay have heretofore been discarded as a waste stream. These fines, recovered as a moist cake, are slurried in a sodium, silicate solution, spray dried to form microspheres and ion-exchange |
| 4513065 |
Hydrogen generator |
April 23, 1985 |
| This disclosure relates to a replaceable cartridge hydrogen generator of the type which relies at least partially on the process of anodic corrosion to produce hydrogen. A drum contains a plurality of the cartridges. |
| 4510369 |
Rotary furnace |
April 9, 1985 |
| The rotary furnace has a generally cylindrical rotatable outer member that is driven by a belt and pulley arrangement. An inner member that defines the confines of the heating chamber is freely supported on the outer member to permit free expansion and contraction of the inner member wit |
| 4510265 |
Platinum/silver vanadate catalyzed diesel exhaust particulate filter |
April 9, 1985 |
| A self-cleaning diesel exhaust particulate filter is disclosed wherein burn-off of collected particulate matter is accomplished at normal exhaust gas temperatures, the filter being provided with a catalyst mixture of a platinum group metal and silver vanadate, the presence of which lower |
| 4505992 |
Integral gas seal for fuel cell gas distribution assemblies and method of fabrication |
March 19, 1985 |
| A porous gas distribution plate assembly for a fuel cell, such as a bipolar assembly, includes an inner impervious region wherein the bipolar assembly has good surface porosity but no through-plane porosity and wherein electrical conductivity through the impervious region is maintained. |
| 4505928 |
Pharmaceutical composition containing cis-platinum (II) amine lactate and a method of using same |
March 19, 1985 |
| A pharmaceutical composition having as the active ingredient a cis-platinum(II) amine lactate complex in which said amine is derived from ammonia or a monodentate or bidentrate amine ligand such as an alkylamine or alkylene diamine. Said compositions may be administered orally or par |
| 4502444 |
Air-fuel ratio controller |
March 5, 1985 |
| A system for the control of the air-fuel ratio in an internal combustion engine incorporates an electronic control unit, a sensor of exhaust emissions and a valve for metering fuel with air to control the air-fuel ratio. The electronic control unit provides for the comparison of succ |
| 4500465 |
Solubilized platinum (II) complexes |
February 19, 1985 |
| There are described platinum-polyhydroxylated amine compounds which exhibit anti-tumor activity in mammalian species. The products are highly soluble in aqueous solutions and they may be administered either orally or in parenteral form. |
| 4497657 |
Method for recovering platinum in a nitric acid plant |
February 5, 1985 |
| Improved recovery of platinum lost from the catalyst gauze in a nitric acid plant is obtained by using palladium containing recovery gauzes configured to enhance the mass transfer characteristics of the system. |
| 4493902 |
Fluid catalytic cracking catalyst comprising microspheres containing more than about 40 percent |
January 15, 1985 |
| This application discloses novel fluid catalytic cracking catalysts comprising microspheres containing more than about 40%, preferably 50-70%, by weight Y-faujasite zeolite, methods for making such catalysts, and the use of such catalysts to crack petroleum feedstocks, particularly those |
| 4486276 |
Method for suppressing hydrogen formation in an electrolytic cell |
December 4, 1984 |
| A method of operating an electrolytic cell in which cathodic hydrogen formation is suppressed by contacting the catalytic cathode with air or other oxygen-containing gas. The cells are of two types: (1) those in which a membrane is present as a distinct body to seperate the anode from |
| 4483691 |
Production of synthetic natural gas from coal gasification liquid by-products |
November 20, 1984 |
| In coal gasification processes for the production of synthetic natural gas by the reaction of coal with steam and oxygen under pressure to form a gasifier synthesis gas and a liquid hydrocarbon by-product, the liquid hydrocarbon by-product is treated for solids and metal removal and is t |
| 4473657 |
Zeolite restoration |
September 25, 1984 |
| Molecular sieve catalysts, such as alumino-silicate zeolites, used in hydrocarbon conversion and separation processes, are restored after their recommended use-cycle service, by novel methods of regeneration and metal redispersion, or rejuvenation.An additive compound is injected into th |
| 4470955 |
Removal of tritiated species from gas streams comprised thereof |
September 11, 1984 |
| Tritiated species, e.g., tritium, tritiated water, and/or tritiated hydrocarbons, are removed from gas streams comprised thereof by reacting the same over a precious metal catalyst with sufficient air or oxygen to convert all tritiated species to tritiated water and, if hydrocarbons are |
| 4467019 |
Fuel cell with electrolyte feed system |
August 21, 1984 |
| A fuel cell having a pair of electrodes at the sites of electrochemical reactions of hydrogen and oxygen and a phosphoric acid electrolyte provided with an electrolyte supporting structure in the form of a laminated matrix assembly disposed between the electrodes. The matrix assembly |
| 4463068 |
Fuel cell and system for supplying electrolyte thereto with wick feed |
July 31, 1984 |
| An electrolyte distribution and supply system for use with a fuel cell having a means for drawing electrolyte therein is formed by a set of containers of electrolyte joined to respective fuel cells in a stack of such cells. The electrolyte is separately stored so as to provide for el |
| 4463067 |
Fuel cell and system for supplying electrolyte thereto utilizing cascade feed |
July 31, 1984 |
| An electrolyte distribution supply system for use with a fuel cell having a wicking medium for drawing electrolyte therein is formed by a set of containers of electrolyte joined to respective fuel cells or groups thereof in a stack of such cells. The electrolyte is separately stored so |
| 4463066 |
Fuel cell and system for supplying electrolyte thereto |
July 31, 1984 |
| An electrolyte distribution and supply system for use with a fuel cell having means for drawing electrolyte therein is formed by a set of containers of electrolyte joined to respective fuel cells in a stack of such cells. The electrolyte is separately stored so as to provide for elec |
| 4463063 |
Hydrogen generator |
July 31, 1984 |
| This disclosure relates to a replaceable cartridge hydrogen generator of the type which relies at least partially on the process of anodic corrosion to produce hydrogen. The cartridge has an outer container wall which holds a consumable anodic material and an electrolyte therein. The |
| 4462998 |
Method of using a cis-platinum(II) amine ascorbate |
July 31, 1984 |
| A pharmaceutical composition in which the active ingredient is an ascorbate complex of platinum (II) coordinated to ammonia, a monodentate amine ligand or a bidentate amine ligand as, for example, an alkylamine, an alkylenediamine or a cycloalkylamine. Said compositions are useful in the |
| 4457926 |
Cis-Platinum(II) amine ascorbate complexes |
July 3, 1984 |
| There are described ascorbate complexes of platinum(II) coordinated to ammonia, a monodentate amine ligand or a bidentate amine ligand as, for example, an alkylamine, an alkylenediamine or a cycloalkylamine. Said complexes are useful in the treatment of malignant tumors in animals and |
| 4450212 |
Edge seal for a porous gas distribution plate of a fuel cell |
May 22, 1984 |
| In an improved seal for a gas distribution plate of a fuel cell, a groove is provided extending along an edge of the plate. A member of resinous material is arranged within the groove and a paste comprising an immobilized acid is arranged surrounding the member and substantially fill |
| 4448674 |
Control of emissions in FCC regenerator flue gas |
May 15, 1984 |
| A system is described for control of sulfur oxides in emissions to the atmosphere from regenerators of cyclic Fluid Catalytic Cracking Units (FCC). By the disclosed system, hot regenerator flue gas is cooled, air (oxygen) is injected into the cooled flue gas unless oxygen is already |
| 4446009 |
Selective vaporization process and apparatus |
May 1, 1984 |
| An improvement is disclosed on selective vaporization for decarbonizing and demetallizing heavy petroleum stocks by short time riser contact with hot inert solid contact material. Flexibility is imparted to that process by suspending the contact material in steam generated by injection o |
| 4444728 |
Iridium-rhenium crucible |
April 24, 1984 |
| A crucible for preparing a single crystal which comprises an iridium-rhenium alloy comprised of from about 80 to about 99 parts of iridium and from about 1 to about 20 parts of rhenium. The crucible has excellent creep resistance and compatability properties and is especially useful |
| 4444665 |
Treated mineral and method for purifying liquids therewith |
April 24, 1984 |
| Attapulgus clay rendered substantially non-swelling and non-gelling by calcination is treated with a large organophilic quaternary ammonium or phosphonium compound to yield a sorbent material effective for purifying liquids from inorganic and organic contaminants. Treatment of the minera |
| 4440874 |
Catalyst composition and method for its manufacture |
April 3, 1984 |
| A catalyst composition well suited for oxidation, reduction and oxidation-reduction reactions comprises a platinum group metal component, an oxide composite, and a refractory metal oxide support. The oxide composite comprises at least one member selected from a first group consisting |
| 4438082 |
Platinum gold catalyst for removing NO.sub.x and NH.sub.3 from gas streams |
March 20, 1984 |
| Selective reduction of NO.sub.x with NH.sub.3 as well as decomposition of excess NH.sub.3 is provided over a wide temperature range by a platinum-gold catalyst. |
| 4437455 |
Stabilization of solar films against hi temperature deactivation |
March 20, 1984 |
| A multi-layer solar energy collector of improved stability comprising: (1) a solar absorptive film consisting essentially of copper oxide, cobalt oxide and manganese oxide; (2) a substrate of quartz, silicate glass or a stainless steel; and (3) an interlayer of platinum, plus a method fo |
| 4436793 |
Control system for hydrogen generators |
March 13, 1984 |
| A control system for a hydrogen generator having a consumable anode, a cathode and an aqueous electrolyte therebetween. The system includes a circuit means which enables electrical current to pass between the anode and cathode in addition to the electrolyte. A control means in the circui |
| 4435272 |
Process for upgrading crude oil and residual fractions thereof by vaporizing the charge in a fal |
March 6, 1984 |
| A process for upgrading a petroleum charge of crude oil or residual fractions thereof, in which the charge is dispersed into a descending curtain of heated, substantially inert contact material. This contact material preferably has a conversion rate not substantially greater than 10% |
| 4433191 |
Skeletal isomerization of n-alkenes |
February 21, 1984 |
| A novel process for the efficient, selective and steady conversion of n-alkenes, such as n-butylenes, to their skeletal isomers is disclosed. Catalysts and catalytic conditions are also disclosed. |
| 4431462 |
Method of making multi-bonded silver-cadmium oxide material |
February 14, 1984 |
| A silver-cadmium oxide material having throughout a substantially uniform cadmium oxide distribution and suitable for use as electrical contact material is made from silver-cadmium oxide having an internal cadmium oxide depleted zone. The layers are bonded together by hot rolling which |
| 4430390 |
Compact fuel cell stack |
February 7, 1984 |
| A compact fuel cell stack in which a plurality of fuel cells are arranged in a stack between end plates. Resilient means such as springs are connected between the end plates, imposing on the end plates a force which urges the end plates together to apply a predetermined compressive loadi |
| 4430199 |
Passivation of contaminant metals on cracking catalysts by phosphorus addition |
February 7, 1984 |
| High gas and coke make due to contamination of a zeolitic fluid cracking catalyst by metal species such as nickel and vanadium during a cracking process is reduced by adding a phosphorus compound to the process. When the catalyst already contains a metals passivating agent or such agents |
| 4430188 |
Electrodes for use in an electrolytic process |
February 7, 1984 |
| An electrode for use in an electrolytic reaction in an electrolytic cell, such as an anode in the manufacture of chlorine or hypochlorites, or the production of organic compounds or the electrolysis of water, comprises a valve metal base or substrate, at least a portion of the exposed su |
| 4427538 |
Selective vaporization process and apparatus |
January 24, 1984 |
| An improvement is disclosed on selective vaporization for decarbonizing and demetallizing heavy petroleum stocks by short time contact with hot inert solid contact material. Flexibility is imparted to that process by suspending the contact material in steam or other carrier gas and addin |
| 4427450 |
Chalking-resistant, calcined kaolin clay pigment and method of making |
January 24, 1984 |
| Novel pigments useful as primary extenders in exterior grade latex formulations are described. The pigments are composed of particles of calcined clay, substantially all the particles of which are finer than about 44 microns and having an average particle size, equivalent spherical d |
| 4426262 |
Promotion of Pt-Ir catalytic electrodes with lead, tantalum, ruthenium and oxygen |
January 17, 1984 |
| Platinum and iridium in catalytic electrodes for electrochemical uses is partially replaced with lead ruthenate-tantalum oxide composite. Electrodes are fabricated by first coating a film-forming metal substrate with a platinum-iridium composite undercoat, then overcoating with a com |
| 4421617 |
Photolytic production of hydrogen from water |
December 20, 1983 |
| A catalytic dispersion of fine metal particles mediates the photodissociation of water into hydrogen gas. A protective agent adsorptive to said particles and selected from among homopolymers, copolymers, hydrocarbyl radicals and polysaccharides stabilizes the said dispersion. |
| 4418099 |
Non-burnished precious metal composition |
November 29, 1983 |
| A composition containing a vehicle or solvent, one or more precious metal metallo-organic compounds, a base metal metallo-organic compound, and at least one non-metallic luster or pearlescent pigment; plus a method for obtaining lustrous burnish-like precious metal films on glass and cer |
| 4416916 |
Thin film solar energy collector |
November 22, 1983 |
| A multi-layer solar energy collector of improved stability comprising: (1) a substrate of quartz, silicate glass, stainless steel or aluminum-containing ferritic alloy; (2) a solar absorptive layer comprising silver, copper oxide, rhodium/rhodium oxide and 0-15% by weight of platinum |
| 4412859 |
Method for recovering platinum in a nitric acid plant |
November 1, 1983 |
| Improved recovery of platinum lost from the catalyst gauze in a nitric acid plant is obtained by using palladium containing recovery gauzes configured to enhance the mass transfer characteristics of the system. |
| 4407785 |
Method of conducting catalytically promoted gas-phase reactions |
October 4, 1983 |
| There is disclosed a method for conducting catalytic reactions, particularly hydrogenation or oxidation of vaporous, carbonaceous materials, utilizing a plurality of thin catalyst bodies in a spaced-apart relationship. |
| 4405507 |
Ozone abatement catalyst having improved durability and low temperature performance |
September 20, 1983 |
| Precious metal ozone decomposition catalyst, its stabilization and method for decomposing ozone for purification and detoxification purposes by contacting with a decomposition catalyst containing a platinum group metal and a nonprecious Group VIII metal oxide or aluminate on a support, |
| 4394293 |
Catalyst for the photolytic production of hydrogen from water |
July 19, 1983 |
| A catalytic dispersion of fine metal particles mediates the photodissociation of water into hyrogen gas. A protective agent adsorptive to said particles and selected from among homopolymers, copolymers, hydrocarbyl radicals and polysaccharides stabilizes the said dispersion. |