Patents in Class 502/181

Matches 1 - 50 out of 98

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Match	Document	Document Title
1	7615508	Cathode for air assisted battery A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO 2 and at least about 2% by weight of a hydrophobic polymer; the MnO 2 consists...
2	7507844	Nanometer scale restructuring of alumina carrier surface and catalysts for the production of alkene oxides A carrier and a catalyst useful for the oxidation of ethylene to ethylene oxide which uses the carrier. The carrier is composed of an inert, refractory solid support such as alpha alumina and has a...
3	7396797	Production method of catalyst for fuel cell and of fuel cell, and catalyst for fuel cell and fuel cell A method for producing a catalyst for a fuel cell is provided which is capable of improving output characteristics of the fuel cell. Metal fine particles making up the catalyst for the fuel cell to...
4	7312174	Method for preparing highly loaded, highly dispersed platinum metal on a carbon substrate The invention is directed to a simple method for preparing highly dispersed, highly loaded platinum metal elements on various carbon substrates, including conductive carbon black, which is utilized...
5	7271120	Catalyst for the synthesis of dimethyl carbonate from urea and methanol, preparation and use thereof A catalyst for the preparation of dimethyl carbonate from urea and methanol having a composition on weight base of: active component of from 20 to 50 wt %, and carrier of from 80 to 50 wt %, and...
6	6992038	Zinc chloride-loaded support and method for producing the same The present invention is to solve the problems caused by a conventional method for producing a zinc chloride-loaded support wherein zinc chloride is adsorbed on a solid support in an aqueous...
7	6903045	Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols A carbonylation catalyst useful for producing esters and carboxylic acids in a vapor phase carbonylation process, wherein the catalyst includes a solid component having a catalytically effective...
8	6841509	Carbon nanocapsule supported catalysts A carbon nanocapsule supported catalysts. At least one kind of catalytic metal particle is deposited to a carbon nanocapsule, wherein the carbon nanocapsule has the following formula: F(−M)n, in...
9	6777368	Molten-salt type catalyst A molten-salt type catalyst is adapted for purifying particulate materials, which are contained in an exhaust gas emitted from an internal combustion engine and contain carbon. It includes a solid...
10	6689613	Method for preparing and screening catalysts A combinatorial method is provided for the preparation and screening of heterogeneous catalysts. The method comprises the steps of: (I) providing a library of elemental catalysts; (II) reacting the...
11	6645902	Adsorbent having capability of decomposing organic halogen compounds and method for producing the same An adsorbent and process for producing an absorbent capable of decomposing an organic halogen compound, is provided. The adsorbent can adsorb organic halogen compounds contained in waste gases and...
12	6548444	Tin promoted iridium catalyst for carbonylation of lower alkyl alcohols A carbonylation catalyst useful for producing esters and carboxylic acids from reactants including lower alkyl alcohols, lower alkyl alcohol generating compounds, such as ether and ester...
13	6537944	Tungsten promoted catalyst for carbonylation of lower alkyl alcohols A solid carbonylation catalyst useful for producing esters and carboxylic acids from reactants including lower alkyl alcohols and lower alkyl alcohol producing compositions in a vapor phase...
14	6518217	Method of preparing of nanometer electrocatalyst for proton exchange membrane fuel cell The present invention relates a method for preparing nanometer electrocatalyst for proton exchange membrane fuel cells, comprising the steps of: 1) adding in water a platinum halogen compound or a...
15	6177380	Iridium-gold carbonylation co-catalysts A carbon supported solid catalyst suitable for the vapor phase carbonylation of lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures, and desirably, methanol, to produce carboxylic...
16	6127585	Catalysts for halogenated hydrocarbon processing, their precursors and their preparation and use Processes are disclosed for decreasing the chlorine to carbon ratio for halogenated hydrocarbons containing chlorine and from 1 to 6 carbon atoms, in the presence of a multiphase catalyst. The...
17	6074985	Fluorination catalysts A supported Lewis acid catalyst such as antimony V on a fluorine-treated moisture-free activated carbon support is provided, as are fluorination processes using such a catalyst.
18	6037479	Chiral diarsine compounds Novel, chiral diarsine compounds, which are present in the (R)- or (S)- or (rac)-form, of the formula ##STR1## wherein R signifies an optionally substituted aryl from the group of phenyI, naphthyl,...
19	6037298	Continuous catalytic process for preparation of organic carbonates A particularly useful process of contacting a feedstream containing dioxygen, carbon monoxide, ether, and alkanol which can be vaporized under conditions of reaction, with a blend of catalysts...
20	5952258	Process for the preparation of pyridine using zeolite catalysts Disclosed is a process for the preparation of pyridine bases by a reaction of an aliphatic aldehyde and/or ketone with ammonia under gaseous phase using a specified catalyst in which a specified...
21	5925588	Production of hydrogen peroxide The invention relates to hydrogen peroxide manufacture, and catalyst therefor, by direct oxidation of hydrogen with oxygen in an acidic aqueous medium. The catalyst includes a Group VIII metal on a...
22	5629462	Hydrodehalogenation catalysts and their preparation and use A carbon-supported metal hydrodehalogenation catalyst is disclosed which is prepared by impregnating a carbon support having an ash content of less than about 0.2% by weight (based on the weight of...
23	5612272	Method of producing an active composite The invention relates to a method for producing an active composite consisting of a compressed support and an active agent. The compressed support comprises a porous support which is chemically...
24	5480851	Process of preparing catalyst supporting highly dispersed metal particles Disclosed herein is a process of preparing a catalyst having narrow particle size distribution and supported with monodispersed metal particles of which a particle size is about less than 20 Å....
25	5474963	Catalyst for dimerizing α-olefin monomer A catalyst for dimerizing a lower α-olefin monomer with an enhanced selectivity comprises a carrier comprising at least one anhydrous potassium compound, preferably a mixture of potassium fluoride...
26	5372619	Method for storing methane using a halogenating agent treated activated carbon A halogenated or sulfonated active carbon which has a high storage capacity for methane is provided from selected halogens in elemental form or solutions of such halogens or from solutions of...
27	5258571	Separations using highly dispersed cuprous compositions The present invention is directed to a process for adsorptive separation of carbon monoxide or olefins from gas mixtures using adsorbents, which comprise cuprous compounds dispersed on amorphous...
28	5246903	Process and catalyst for the dehydrohalogenation of halogenated hydrocarbons or alkylene halohydrins An unsaturated halohydrocarbon such as vinylidene chloride is produced by the dehydrohalogenation of haloalkanes such as 1,1,1-trichloroethane or 1,1,2-trichloroethane, by contacting the haloalkane...
29	5192735	Preparation of low chromium active charcoal by freeze drying impregnated charcoal Activated charcoal, or ASC whetlerite charcoal for use in providing protection against chemical warfare agents, contains chromium VI, which is a known carcinogen, as well as other metal...
30	5179058	Process for manufacturing a carbonaceous catalyst for the reduction of nitrogen oxides in exhaust gases A process is disclosed for treating carbonaceous catalyst with a gaseous halogen or a gaseous halogen compound to increase the catalytic activity and prolong the useful life of the catalyst. The...
31	5175137	Highly dispersed cuprous compositions The present invention is directed to a process for adsorptive separation of carbon monoxide or olefins from gas mixtures using adsorbents, which comprise cuprous compounds dispersed on amorphous...
32	5132259	Method for reactivating catalysts used in catalytic vapor phase process for producing dihydrocarbyl carbonates A process for the preparation of dihydrocarbyl carbonates comprising contacting an alkanol such as methanol, carbon monoxide and oxygen with a heterogeneous catalyst which comprises a metal halide...
33	5116592	Fluorinated carbons and uses thereof Specifically fluorinated carbons have enhanced chemical and/or electrochemical stabilities to corrosion, improved hydrophobicity, lubricating properties, etc., making them especially useful as...
34	5094988	Activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons This invention provides a process for the regeneration and/or activation of a noble catalyst comprising contacting said catalyst with an atmosphere comprising a fluorohalocarbon and/or a...
35	5051389	Catalyst composition prepared by vapor depositing onto a carbon support A catalyst composition prepared by depositing a metal or metal compound onto a preformed carbon support and thereafter converting said metal or metal compounds to an oxide or sulfide having...
36	4980324	Regeneration or activation of noble metal catalysts using fluorohalocarbons or fluorohalohydrocarbons This invention provides a process for the regeneration and/or activation of a noble catalyst comprising contacting said catalyst with an atmosphere comprising a fluorohalocarbon and/or a...
37	4908198	Fluorinated carbons and methods of manufacture Discontinuities, edge sites and grain boundaries in carbons, the primary locations of instabilities for oxidative corrosion and degradation, are prepared by preoxidation to form carbon-oxides...
38	4837377	Rubbery, electrically non-conductive, and intrinsically magnetic graphite intercalation compounds and methods for their making A unique class of intinsically magnetic graphite intercalation compounds and methods for their making is provided. These compositions are ferromagnetic, electrical insulators, and rubber-like in...
39	4728630	Rhodium on carbon catalyst A particulate catalyst composition suitable for purification of terephthalic acid under reducing conditions and a method of preparation of such catalyst are disclosed. The catalyst composition...
40	4713483	Process for the production of oxalic acid diesters A process for the production of diesters of oxalic acid by oxidative carbonylation of alcohols with carbon monoxide and oxygen as oxidizer at pressures of 1 to 700 atmospheres and in a temperature...
41	4677096	Air cleaning material for use in air filters An air cleaning material for use in air filters comprises a porous substrate which contains zinc oxide with a metal salt. The salt advantageously comprises a metal chloride. The porous substrate...
42	4636485	Filter comprising a catalyst on a substrate for purification of air Pt catalyst on a substrate provides an air purification particularly for carbon oxide contained in the inhaled air is caused to react with air oxygen on the surface of carbon oxide catalysts and...
43	4578375	Lanthanum hydroxide and a rhodium or ruthenium moiety catalyst for homologation of alcohols This invention provides a novel heterogeneous catalyst system adapted for alkanol homologation, which comprises lanthanum hydroxide and a rhodium or ruthenium moiety, e.g. RhCl 3 or RuCl 3 .
44	4558027	Catalysts for carbon and coal gasification Catalyst for the production of methane from carbon and/or coal by means of catalytic gasification. The catalyst compostion containing at least two alkali metal salts. A particulate carbonaceous...
45	4547483	Catalysts for fluorination and/or dismutation reactions on halogenated hydrocarbons, and a process for their preparation A process is specified for preparing a chromium- and magnesium-containing catalyst for fluorination reactions by precipitating chromium(III) hydroxide. In this process, 1 mole of a water-soluble...
46	4532227	Low ash pelleted carbon and process of preparation Low ash pelleted carbon is prepared by contacting pelleted carbon first with hydrochloric acid followed by leaching with hydrofluoric acid.
47	4511493	Ternary intercalation compound of a graphite with a metal fluoride and fluorine, a process for producing the same, and an electrically conductive material comprising the ternary intercalation compound A novel ternary intercalation compound of a graphite with a metal fluoride and fluorine, which is represented by the formula C x F(MF z ) y wherein M is a metal is produced by reacting a graphite...
48	4474895	Catalysts for gaseous phase fluorination of aliphatic chlorinated and chlorofluorinated hydrocarbons This invention relates to improved catalysts for gaseous phase fluorination of aliphatic chlorinated and chlorofluorinated hydrocarbons by hydrofluoric acid. The catalysts are characterized by an...
49	4471069	Reforming catalyst comprising low valence Ti, V or Cr composited with non-oxidizing high surface area support This invention relates to a novel catalyst for reforming gasoline comprising a low valence titanium, vanadium and/or chromium metallic component composited with a non-oxidizing high surface area...
50	4415478	Low halide activated agglomerated carbon catalysts Activated agglomerated carbon may be prepared by leaching with a hydrohalic acid followed by displacement of the residual halide with organic carboxylate during subsequent washing with a...

Matches 1 - 50 out of 98

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