| Patent Number |
Title Of Patent |
Date Issued |
| 4980035 |
Bath for electrolytic deposition of a gold-copper-zinc alloy |
December 25, 1990 |
| The bath for electrolytic deposition of an Au-Cu-Zn alloy contains cyanide complexes of Au, of Cu and of Zn, a surface-active agent and a soluble Te and/or Bi salt. It may also contain a non-cyanide organic Zn complex, and a conductive salt and/or alkali metal or ammonium cyanide. |
| 4965243 |
Process for producing a catalyst for purifying exhaust gases from internal combustion engines |
October 23, 1990 |
| A three-way catalyst for the purification of automotive exhaust is made by depositing on a monolithic support a slurry containing a platinum group element, active alumina, cerium oxide a barium compound and a zirconium compound and calcining the support. |
| 4965233 |
Novel zeolite fluid cracking catalysts and preparation thereof from mixtures of calcined clay |
October 23, 1990 |
| A novel improved process for maunfacturing fluid cracking cataylsts by an in situ procedure. Sodium zeolite Y (synthetic faujasite) is crystallized in pores of a physical mixture of preformed, highly porous precursor microspheres, one portion of the microspheres is composed of metakaolin |
| 4962462 |
Fuel cell/battery hybrid system |
October 9, 1990 |
| A fuel cell/battery hybrid power system is disclosed which has a microprocessor based control system. The control system enables the fuel cell to be taken out of the system by a switch when its predetermined maximum desired energy output is about to be exceeded by load requirements. |
| 4961917 |
Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts |
October 9, 1990 |
| A method in accordance with the invention comprises passing through a zeolite catalyst as described below, a gaseous stream containing nitrogen oxides, ammonia and oxygen to selectively catalyze the reduction of nitrogen oxides and, if excess or unreacted ammonia is present, to oxidize |
| 4961151 |
Fuel cell/battery control system |
October 2, 1990 |
| A fuel cell/battery hybrid power system is disclosed which has a microprocessor based control system. The control system enables the fuel cell to be taken out of the system by a switch when its predetermined maximum desired energy output is about to be exceeded by load requirements. |
| 4946667 |
Method of steam reforming methanol to hydrogen |
August 7, 1990 |
| The production of hydrogen by the catalyzed steam reforming of methanol is accomplished using a reformer of greatly reduced size and cost wherein a mixture of water and methanol is superheated to the gaseous state at temperatures of about 800.degree. to about 1,100.degree. F. and then fe |
| 4945010 |
Cooling assembly for fuel cells |
July 31, 1990 |
| A cooling assembly for fuel cells having a simplified construction whereby coolant is efficiently circulated through a conduit arranged in serpentine fashion in a channel within a member of such assembly. The channel is adapted to cradle a flexible, chemically inert, conformable conduit |
| 4939113 |
Hydrogen sulfide suppressing catalyst system using an oxide of copper, manganese, nickel or iron |
July 3, 1990 |
| H.sub.2 S formation by three way catalyst is suppressed by incorporating copper, nickel, manganese or iron oxides into a monolith section downstream of the three way catalyst. |
| 4938939 |
Preparation of small-pored crystalline titanium molecular sieve zeolites |
July 3, 1990 |
| A process for producing new crystalline titanium molecular sieve zeolite compositions having a pore size of about 3-5 Angstrom Units is disclosed. |
| 4938833 |
Process for making film-bonded fuel cell interfaces |
July 3, 1990 |
| An improved interface configuration for use between adjacent elements of a fuel cell stack. The interface is impervious to gas and liquid and provides resistance to corrosion by the electrolyte of the fuel cell. A multi-layer arrangement for the interface provides bridging electrical |
| 4931947 |
Fuel cell/battery hybrid system having battery charge-level control |
June 5, 1990 |
| A fuel cell/battery hybrid power system is disclosed which as a microprocessor based control system. The control system enables the fuel cell to be taken out of the system by a switch when its predetermined maximum desired energy output is about to be exceeded by load requirements. T |
| 4927857 |
Method of methanol production |
May 22, 1990 |
| A process for methanol production includes preparing a hydrogen containing synthesis gas by autothermally reforming a hydrocarbonaceous feed, such as a hydrocarbon feed, with oxygen and steam in an autothermal reformer utilizing a first, monolithic catalyst having a palladium and platinu |
| 4921847 |
Trihalo(amine)gold(III) anti-tumor complexes |
May 1, 1990 |
| There is described a novel class of aminegold(III) complexes in which the nitrogen-containing ligand is an alkylamine, an arylamine or a heterocyclic amine. Said complexes are useful in the treatment of tumors in mammals. |
| 4913973 |
Platinum-containing multilayer anode coating for low pH, high current density electrochemical pr |
April 3, 1990 |
| The present invention is directed to a novel anode suitable for producing high purity, pore-free coper foil at high speed and low cost under severe conditions. The anodes of the present invention are capable withstanding high acid concentrations, current densities and temperatures which |
| 4904281 |
Method and apparatus for separation of solids from a gaseous stream |
February 27, 1990 |
| A method for separating particulate solids from a gaseous stream laden with the solids includes discharging the gaseous stream with a swirling movement downwardly into a containment vessel, and impinging the stream on a bed of the separated solids maintained at the lower end of the vesse |
| 4902664 |
Thermally stabilized catalysts containing alumina and methods of making the same |
February 20, 1990 |
| A catalyst comprises (a) an activated alumina, (b) a substantially water-insoluble bulk stabilizer present in an amount at least sufficient to stabilize the activated alumina against thermal degradation, and (c) one or more platinum group metal catalytic components. The bulk stabilizer |
| 4893465 |
Process conditions for operation of ignition catalyst for natural gas combustion |
January 16, 1990 |
| A method for operating a palladium oxide containing catalytic combustor useful, e.g., for powering a gas turbine. The method involves maintaining control of the temperature within the combustor in such a manner as to insure the presence of palladium oxide. By maintaining the temperature |
| 4891130 |
Process for removing metals from aluminosilicate materials |
January 2, 1990 |
| Disclosed is a process for removing accumulated metals, particularly vanadium and nickel, from particulate aluminosilicate materials and aluminosilicate materials that are obtained by the process. The process may advantageously be used to remove accumulated metals from spent aluminos |
| 4866012 |
Carbothermally reduced ceramic materials and method of making same |
September 12, 1989 |
| A method of forming a carbothermally reduced powder of nitrides or carbides is disclosed. The product powder consists principally of unagglomerated particles and is formed by providing a collection of precursor particles in colloidal dispersion, adding to the dispersion a polymerizable m |
| 4863893 |
Low temperature light off ammonia oxidation |
September 5, 1989 |
| Platinum-rhodium and platinum-palladium-rhodium gauzes bearing a high surface area coating (in excess of 50 cm.sup.2 /g) of platinum ease initiation of ammonia oxidation. |
| 4863707 |
Method of ammonia production |
September 5, 1989 |
| A process for the production of ammonia from a hydrocarbonaceous feed, comprising preheating an inlet stream comprising a hydrocarbonaceous feed, H.sub.2 O, air and oxygen to a preheat temperature sufficiently high to initiate catalytic oxidation of the feed, introducing the preheated in |
| 4859246 |
Use of high molecular weight sulfonate as auxiliary dispersants for structured kaolins |
August 22, 1989 |
| A bulked kaolin pigment is prepared by mixing a small but effective amount of a water-soluble cationic material such as a cationic polyelectrolyte flocculant with a kaolin clay pigment in the presence of water. The resultant bulked clay product can be dispersed to form high solids cl |
| 4853202 |
Large-pored crystalline titanium molecular sieve zeolites |
August 1, 1989 |
| New crystalline titanium molecular sieve zeolite compositions having a pore size of about 8 Angstrom Units are disclosed together with methods for preparing the same and organic compound conversions. |
| 4851108 |
Hydrocarbon conversion-regeneration process using dilute and dense beds |
July 25, 1989 |
| An improved hydrocarbon conversion process is disclosed of the type employing circulating solids between a reactor (contactor) and regenerator (combustor). The entire process is in the dilute phase and is characterized by all the catalyst passing through the cyclones and never return |
| 4846901 |
Method of making improved silver-tin-indium contact material |
July 11, 1989 |
| A novel method of producing a silver, tin-indium oxide contact material is disclosed. The material is fabricated by alloying silver with tin and indium, hermetically joining two sheets of such alloy with a layer of release material therebetween to form a multilayer structure, internally |
| 4844837 |
Catalytic partial oxidation process |
July 4, 1989 |
| A method and apparatus for carrying out partial oxidation of hydrocarbon feeds to produce hydrogen rich gases suitable for steam reforming, utilizes a monolithic platinum and palladium containing catalyst. The process comprises introducing an oxygen containing oxidant gas (e.g., air) |
| 4839386 |
Ionic bis (Dicarboxylato) palladate (II) |
June 13, 1989 |
| There are described ionic bis(dicarboxylato)palladate(II) products derived from aliphatic and aromatic dicarboxylic acids useful in the treatment of malignant animal tumors sensitive thereto. Certain of the compounds are novel. |
| 4826716 |
Film bonded fuel cell interface configuration |
May 2, 1989 |
| The present invention relates to improved elements for use in fuel cell stacks, and more particularly, to a stack having a corrosion-resistant, electrally conductive, fluid-impervious interface member therein. |
| 4822699 |
Electrocatalyst and fuel cell electrode using the same |
April 18, 1989 |
| An improved electrocatalyst comprises a supported platinum-gallium alloy catalyst of up to 50 atomic percent gallium, preferably of 10 to 30 atomic percent gallium, balance platinum. The platinum-gallium alloy is supported, preferably on carbon powder or the like, shows greater activity |
| 4818373 |
Process for upgrading tar and bitumen |
April 4, 1989 |
| A method for updating a concentrate of tar sands bitumen containing fine mineral matter and optionally coarse mineral matter in which solvent-diluted bitumen is contacted for a short time in a riser with hot attrition-resistant substantially catalytically inert acid-resistant fluidiz |
| 4811162 |
Capacitor end termination composition and method of terminating |
March 7, 1989 |
| A composition for use in terminating a capacitor composed of a ceramic body containing embedded metal electrodes is disclosed. The end termination composition comprises a metallo organic silver material. A method for terminating a capacitor employing the metallo organic silver based |
| 4808274 |
Metallized substrates and process for producing |
February 28, 1989 |
| The present invention is directed to metallized substrates and particularly metallized substrates for use in microwave integrated circuits and a process for producing such substrates. The metallized substrates generally comprise a dielectric substrate on which is formed a pattern such as |
| 4806519 |
Catalyst for purifying motor vehicle exhaust gases and process for producing the catalyst |
February 21, 1989 |
| A catalyst, and a method for producing the catalyst, and a method for purifying exhaust gases which is very efficient in its use of rhodium has a layered catalytic structure on a refractory substrate, the inner layer containing ceria and platinum, the outer layer containing zirconia and |
| 4804459 |
Process for upgrading tar sand bitumen |
February 14, 1989 |
| A method for upgrading a concentrate of tar sands bitumen containing colloidal clay in which solvent-diluted bitumen is contacted for a short time in a riser with hot attrition-resistant substantially catalytically inert fluidizable microspheres, causing a selective vaporization of the |
| 4793946 |
Thin print etchable gold conductor composition |
December 27, 1988 |
| A thin print etchable gold conductor composition for use in metallizing surfaces of substrates, particularly those used in the construction of miniaturized high density circuits is disclosed. The composition is formulated in such a manner so that it is capable of being printed onto a |
| 4790929 |
Hydrotreating process using porous mullite |
December 13, 1988 |
| A process for treating heavy hydrocarbon oil which contains metals and/or sulfur in the presence of a catalyst and recovering a hydrocarbon product having reduced metals and/or sulfur content by employing a metal impregnated mullite catalyst. The impreganted metals are selected from the |
| 4786725 |
Solubilized platinum (II) complexes |
November 22, 1988 |
| 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. |
| 4784758 |
Process for removing magnetic particles from a suspension of solids in a liquid |
November 15, 1988 |
| A process which is especially useful for effecting magnetic separation of magnetically attractable impurities from an aqueous clay slurry or suspension includes passing the suspension through a porous, ferromagnetic matrix while applying a magnetic field to the matrix, on which impuritie |
| 4783482 |
Bis(thiocyanato)palladium(II)complexes |
November 8, 1988 |
| There are described novel bis(thiocyanato)palladium(II) complexes containing bidentate amine ligands. These complexes exhibit an anti-tumor effect against malignant animal tumor cells sensitive thereto and are characterized by low mammalian toxicity. |
| 4781818 |
Non catalytic solid mullite/crystalline silica material and use thereof |
November 1, 1988 |
| Improved noncatalytic nonreactive alumina-silica solid for removing carbonaceous and metallic contaminants including nickel and vanadium from hydrocarbon feedstock by short term, high temperature contact comprises mullite and crystalline silica. In the decarbonizing and demetallizing |
| 4781298 |
Process for beneficiating clay at high solids |
November 1, 1988 |
| A process for the wet processing of kaolin clay which includes a step for physically removing discrete particles of colored impurities by high gradient magnetic separation (HGMS) in which all processing steps including HGMS are carried out with the feed clay slurry at high solids, ab |
| 4778733 |
Low toxicity corrosion resistant solder |
October 18, 1988 |
| An article of manufacture, such as is used in plumbing, is formed by soldering copper workpieces together with a lead-free solder having a tin content of from about 92 to 99%, a copper content of from about 0.7 to 6% and a silver content of from about 0.05-3%, by weight. |
| 4774345 |
Amine-complexed zinc salts of organic diacids |
September 27, 1988 |
| Amine-complexed zinc salts of organic diacids selected from the group consisting of (i) dicarboxylic acids, (ii) diphenols, and (iii) phthalic acids. Specifically disclosed compounds include C.sub.2 -C.sub.3 alkylene diamine-complexed zinc salts of thiodiphenol and sulfonyldiphenol, and |
| 4772332 |
Use of mixture of high molecular weight sulfonates as auxiliary dispersant for structured kaolin |
September 20, 1988 |
| A heat stabilized slurry of bulked kaolin pigment is prepared by mixing a small but effective amount of a water-soluble cationic material such as a cationic polyelectrolyte flocculant with a kaolin clay pigment in the presence of water. The resultant bulked clay product is dispersed to f |
| 4767507 |
Gold electroplating bath |
August 30, 1988 |
| An acid gold electroplating bath contains gold in an electrodepositable form, (e.g. potassium gold cyanide), together with 3-(3-pyridyl) acrylic acid or 3-(3-quinolyl) acrylic acid, and optionally a metallic additive. The metallic additive is preferably a cobalt, nickel or iron salt. |
| 4767466 |
Bulking pigments |
August 30, 1988 |
| A method for preparing a heat stable aqueous slurry of a bulking pigment suitable for use in coating or filling paper which comprises preparing a fluid aqueous suspension of particles of kaolin clay, adding thereto a water-soluble cationic polyelectrolyte, the amount of said cationic |
| 4757045 |
Catalysts with support coatings having increased macroporosity and method for producing the cata |
July 12, 1988 |
| A catalyst composition comprises a carrier having a refractory metal oxide support coating thereon and a catalytic platinum group metal dispersed on the support coating. A major portion of the support coating is comprised of a conventional, first metal oxide such as stabilized gamma alum |
| 4751062 |
Fuel cell with electrolyte matrix assembly |
June 14, 1988 |
| This invention is directed to a fuel cell employing a substantially immobilized electrolyte imbedded therein and having a laminated matrix assembly disposed between the electrodes of the cell for holding and distributing the electrolyte. The matrix assembly comprises a non-conducting |
| 4744999 |
High throughput, high uniformity field emission devices |
May 17, 1988 |
| Field emission spraying of liquified metals is obtained using an electrically heated face plate in contact with the metal to be sprayed with nozzles formed in the face plate. The face plate is wettable by, but insoluble in, the metal to be sprayed and is maintained at a temperature i |
