Patents in Class 502/215

Matches 1 - 50 out of 243

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Match	Document	Document Title
1	7576028	Catalyst body A catalyst body comprising a carrier and a catalyst layer containing an alkali metal and/or an alkaline earth metal, loaded on the carrier, which catalyst further contains a substance capable of...
2	7485597	Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin A method for improving the selectivity of a supported highly selective epoxidation catalyst comprising silver in a quantity of at most 0.17 g per m 2 surface area of the support, which method...
3	7419932	Method for preserving catalyst The method for preserving a catalyst of the present invention is characterized in that, in a process for continuously producing an objective product by a vapor phase oxidation reaction using a...
4	7365041	Method for producing ammoxidation catalyst An ammoxidation catalyst comprising a molybdenum (component (1)), bismuth (component (2)), at least one element selected from the group consisting of nickel, cobalt, zinc, magnesium, manganese and...
5	7125820	Non-noble metal catalysts for the oxygen reduction reaction Non-noble metal transition metal catalysts can replace platinum in the oxidation reduction reaction (ORR) used in electrochemical fuel cells. A Ru x Se catalyst is prepared with comparable...
6	7071140	Catalyst for the manufacture of acrylonitrile A catalyst comprising a complex of catalytic oxides comprising rubidium, cerium, chromium, iron, bismuth, molybdenum, and at least one of nickel or nickel and cobalt, optionally magnesium, and...
7	RE39074	Process for the selective preparation of acetic acid using a molybdenum and palladium based catalytic oxide The present invention relates to a process for the selective preparation of acetic acid from a gaseous feed comprising ethane, ethylene or mixtures thereof plus oxygen at elevated temperature,...
8	6921831	Modified BiMo catalyst and process for use thereof Modified lead/bismuth/molybdate catalysts containing vanadium, copper, or gold have been prepared, and are selective to the corresponding furan compound from the gas phase oxidation of an...
9	6825380	Promoted multi-metal oxide catalyst A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor...
10	6797840	Promoted multi-metal catalyst A catalyst comprising an In promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane, or a mixture of an alkane and an alkene, to an unsaturated carboxylic acid and for the...
11	6790988	Ir and/or Sm promoted multi-metal oxide catalyst A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor...
12	6610629	Process for producing an oxide catalyst for oxidation or ammoxidation Disclosed is a process for producing an oxide catalyst comprising, as component elements, molybdenum (Mo), vanadium (V), at least one element selected from the group consisting of the two elements...
13	6479691	Catalyst for producing unsaturated nitrile A catalyst composition represented by the following empirical formula which is useful in production of unsaturated nitrites by ammoxidation: Mo 10 Bi a Fe b Sb c Ni d Cr e F f G g H h K k X x Y y...
14	6426312	Air purifying matrix for the oxidation of air-borne particulate and gases The present invention is an air purifying matrix to remove, reduce or detoxify organic pollutants. The matrix has an inert substrate, a photoreactive semiconductor material, and aqueous particles....
15	6355817	Optimized catalyst addition to enhance esterification catalyst performance The present invention provides a process for the production of an ester, including reacting an alcohol with a carbonyl-like compound in the presence of a first esterification catalyst; and adding a...
16	6350716	Catalyst and process for the oxidation of ethane and/or ethylene A catalyst composition for the selective oxidation of ethane and/or ethylene to acetic acid which composition comprises in combination with oxygen the elements: MO a .W b .Ag c .Ir d .X e .Y f (I)...
17	6171571	Crystalline multinary metal oxide compositions, process for preparing and processes for using the composition A new family of crystalline metal oxide compositions have been synthesized. These compositions are described by the empirical formula: A n NbM x M' y M" m O p where A is an alkali metal...
18	6072070	Vanadium/antimony/titanium mixed oxide and process of use in vapor phase ammoxidation of an alkane Mixed oxide vanadium/antimony/titanium ammoxidation catalysts, particularly suited for the ammoxidation of alkanes and exhibiting X-ray diffraction spectra which are characteristic of a...
19	6022986	Manganiferous polyoxometallates, synthesis and use thereof The invention is directed to manganese-containing polyoxometallates of the formula (1) (Q) q (Mn p A a X x Y y M m O d Z z (H 2 O) b )cH 2 O (1) where Q...
20	5977009	Catalyst compositions derived from titanium-containing molecule sieves Useful catalyst compositions are produced by treating substituted molecular sieves with reactive titanium compounds such as titanium tetrahalides, preferably in the vapor phase at elevated...
21	5864051	Selective oxidation catalyst process for preparing the catalyst and process using the catalyst A catalyst for the selective oxidation of alkanes and alkenes has been developed. The catalyst consists of a noble metal component such as platinum and a SbOx component. A unique feature of the...
22	5830427	Metallochalcogenide microporous compositions having metal-metal bonds This invention relates to dimetal sulfide or selenide microporous crystalline compositions. These compositions have the empirical formula R x (M 1 + y M 2 + z M 4 )A q where R is a cation such...
23	5817592	Process for the preparation of a hydrogenation catalyst A process for the preparation of a hydrogenation catalyst by reduction of platinum in an oxidation stage of not less than 2 in an aqueous medium in the presence of a carboniferous support,...
24	5686375	Hydroprocessing catalyst and its use A catalyst containing an overlayer of a catalytic promoter on a porous refractory support containing an underbedded Group VIII metal-containing component. The catalyst is prepared by sequential...
25	5532199	Carrier-supported catalyst for the synthesis of unsaturated aldehydes and unsaturated carboxylic acids and process for preparing the same A carrier-supported catalyst for the synthesis of unsaturated aldehydes and unsaturated carboxylic acids, comprising a catalyst active substance comprising at least molybdenum and bismuth as its...
26	5494879	Catalyst for the reduction of sulfur dioxide to elemental sulfur The inventive catalysts allow for the reduction of sulfur dioxide to elemental sulfur in smokestack scrubber environments. The catalysts have a very high sulfur yield of over 90% and space velocity...
27	5491258	Molded catalyst or supported catalyst for synthesizing methacrolein and methacrylic acid, a process for production thereof, and a process of use thereof For providing a molded catalyst or a supported catalyst which has an excellent mechanical strength and is intended for producing methacrolein and methacrylic acid from isobutylene or tertiary...
28	5374608	Compositions containing adducts and surfactants Compositions containing one or more surfactants in combination with sulfuric acid and one or more of certain chalcogen-containing compounds in which the chalcogen compound/H 2 SO 4 molar ratio is...
29	5250485	Process for preparing catalysts used for production of methacrolein and methacrylic acid A process for preparing a catalyst used for production of methacrolein and methacrylic acid by vapor phase oxidation of isobutylene or tertiary butanol includes adding an organic high-molecular...
30	5214016	Method of making catalysts containing vanadium, antimony and tin Disclosed is a method of making a catalyst containing vanadium antimony and tin in the oxide state which comprises making an aqueous slurry of a mixture of source batch materials comprising...
31	5212137	Catalyst for the manufacture of acrylonitrile and methacrylonitrile Olefins such as propylene and isobutylene are converted to the corresponding unsaturated nitriles, acrylonitrile, and methacrylonitrile, respectively, by reacting a mixture of the olefin, ammonia,...
32	5206201	Catalyst for production of substituted benzaldehyde and method for production of the catalyst A catalyst for the production of a substituted benzaldehyde by catalytic vapor-phase oxidation of a substituted toluene, which catalyst has as a catalytically active substance being composed of an...
33	5183793	Ammoxidation catalysts and methods for their preparation for use in the production of isophthalonitrile Catalysts having the general formula: V 1 Bi a Sb b Fe c X d Y c Z f O g wherein, X=Mo, Cu, W, Nb, Te, P, Sn, Ge, As Y=Co, Ni, Ce, La, Mn, Cr Z=Alkali, alkaline earth, B, Tl and, ...
34	5171876	Method for ammoxidation of paraffins Disclosed is a process for making an α, β-unsaturated mononitrile by the catalytic reaction of a paraffin containing 3-5 carbon atoms with molecular oxygen and ammonia by catalytic contact of the...
35	5139988	Iron-antimony-containing metal oxide catalyst composition and process for producing the same A composition which contains as essential components: crystalline iron antimonate and at least one element selected from the group consisting of vanadium, molybdenum, and tungsten; is useful as a...
36	5132269	Iron-antimony-molybdenum-containing oxide catalyst composition and process for preparing the same An iron-antimony-molybdenum-containing oxide catalyst composition for oxidation reactions, comprising a crystalline iron antimonate having a crystallite size of 100 Å or more, said catalyst being...
37	5116796	Organic solvent soluble oxide supported hydrogenation catalyst precursors The present invention discloses two polyoxoanion supported metal complexes found to be useful in olefin hydrogenation. The complexes are novel compositions of matter which are soluble in organic...
38	5094989	Process for activation of catalysts Disclosed is a process for making an activated antimony and vanadium-containing catalyst in oxide form having an atomic ratio of Sb:V in the range from 0.8-4, which comprises calcining such an...
39	5093299	Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile Olefins such as propylene and isobutylene are converted to the corresponding unsaturated nitriles, acrylonitrile, and methacrylonitrile, respectively, by reacting a mixture of the olefin, ammonia,...
40	5079207	Catalyst for ammoxidation of paraffins Disclosed is a process for making an α, β-unsaturated monoitrile by the catalytic reaction of a paraffin containing 3-5 carbon atoms with molecular oxygen and ammonia by catalytic contact of the...
41	5059573	Process for producing molybdenum-containing metal oxide fluid-bed catalyst A process for producing a molybdenum-containing metal oxide fluid-bed catalyst comprising, as essential components, (i) at least one element selected from the group consisting of iron, bismuth,...
42	4996108	Sheets of transition metal dichalcogenides Compositions of the formula MX 2 :Y, wherein MX 2 is a layer type transition metal dichalcogenide, M is a metal selected from the group consisting of niobium, tantalum, molybdenum and tungsten, X...
43	4960913	Process for the preparation of pharmaceutical compositions The invention relates to a process for the preparation of tetracycline derivatives of the formula ##STR1## and acid addition salts thereof --wherein R stands for --CH 3 or CH 2 --by...
44	4921828	Antimony promoted bismuth cerium molybdate catalysts Antimony-promoted bismuth cerium molybdate catalysts are promoted with additional elements.
45	4880761	Crystalline microporous metal sulfide compositions This invention relates to a crystalline composition having a three-dimensional microporous structure of MA 2 units where A is sulfur or selenium and having the empirical formula expressed in molar...
46	4877869	Acid catalyzed nitration Compositions containing sulfuric acid and one or more of certain chalcogen-containing compounds in which the chalcogen compound/H 2 SO 4 molar ratio is below 2 contain the mono-adduct of sulfuric...
47	4877764	Catalyst system for ammoxidation of paraffins Disclosed is ammoxidation of C 3 to C 5 acyclic alkanes with NH 3 and O 2 using (1) a mole ratio of alkane:NH 3 in the range from 2 to 16 and a mole ratio of alkane:O 2 in the range 1 to 10...
48	4873217	Catalyst for oxidation of olefin or tertiary alcohol and process for production thereof A catalyst used for producing, by catalytic gas phase oxidation of a C 3 -C 5 oelfin or tertiary alcohol, the corresponding unsaturated aldehyde and unsaturated carboxylic acid, said catalyst...
49	4866024	Catalysts for ammoxidation of paraffins Disclosed is the reaction of propane and isobutane with O 2 and NH 3 to make α,β-unsaturated nitriles and olefins, using certain complex metal oxide catalyst compositions and an excess of the...
50	4855275	Catalyst performance improvement via separate boron addition A process for improving the performance of an ammoxidation catalyst comprising contacting said catalyst with a boron containing or heat decomposable boron compound to deposit boron on the catalyst.

Matches 1 - 50 out of 243

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