Patents
Patents for B01J 27 - Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds (30,090)
06/1991
06/12/1991CN1052110A Promoted amines catalysis
06/12/1991CN1052109A Amines catalysis
06/12/1991CA2005258A1 Heterogeneous isoparaffin/olefin alkylation process
06/12/1991CA2005257A1 Heterogeneous isoparaffin/olefin alkylation process
06/11/1991US5023390 Acylation of 2,4-dimethylisobutyrophenone; hydrogenation, dehydrogenation, cyclization
06/11/1991US5023375 Reacting with an amide, alcohol and catalyst of palladium platinium or mercury halide or complex; selectivity for ethylidene bisamides
06/11/1991US5023342 Cyclic sulfate compounds
06/11/1991US5023341 Acetylene thiochroman
06/11/1991US5023226 Ruthenium supported catalyst, its preparation and its use in the preparation of substituted or unsubstituted cyclohexylamine and substituted or unsubstituted dicyclohexylamine
06/10/1991CA2030179A1 Process for the preparation of pure cyclic phosphoric acid diaryl esters
06/09/1991CA2026939A1 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
06/06/1991CA2031482A1 Phenols and phenols esters hydroxylation process
06/06/1991CA2031444A1 Process for the preparation of 3,4'-dichlorodiphenyl ether
06/05/1991EP0430920A1 Sulfur dioxide removal from stack gas
06/05/1991EP0430806A1 Process for the preparation of haloketals from enamines
06/05/1991EP0430579A2 Fluoroaliphatic-group-substituted esters and method of making the same
06/05/1991EP0430001A1 Process for preparing benzaldehydes
06/05/1991EP0429793A1 Heat-resistant stainless steel foil for catalyst-carrier of combustion exhaust gas purifiers
06/05/1991CN1051904A Process for chlorofluoropropanes
06/04/1991US5021392 Prepared by calcining aggregates formed from seed hydrosol by ph controlled dissolving and deposition
06/04/1991US5021385 Containing molybdenum oxide and nickel or cobalt oxide; high porosity and surface area
06/04/1991US5021384 Process for producing crystalline oxide of vanadium-phosphorus system and catalyst containing the crystalline oxide
06/04/1991US5021383 Metals or metal oxides impregnated in alkali or alkaline earth carbonates and bicarbonates
06/04/1991US5021223 Transfer of catalyst
06/02/1991CA2031249A1 Process for producing halogenoacetals from enamines
06/02/1991CA2031241A1 Intermediates, process for the preparation thereof and their use for the synthesis of vitamins a and e
05/1991
05/29/1991EP0429040A2 Process for the preparation of 4-bromophthalic anhydride
05/29/1991EP0428979A2 Carbonylation of allylic butenols and butenol esters
05/29/1991EP0428547A1 Manufacture of high purity low arsenic anhydrous hydrogen fluoride
05/28/1991US5019671 Liquid phase isomerization of alkanes
05/28/1991US5019652 Catalysts and method
05/28/1991US5019545 Process for manufacture of maleic anhydride catalysts
05/28/1991US5019297 Catalysis with hydrogenated palladium
05/28/1991CA1284511C Conversion of methane to higher hydrocarbons
05/22/1991EP0428413A1 Method for preparing unsaturated compounds
05/22/1991EP0428351A2 Synthesis of quinoline and substituted quinoline copolymers
05/22/1991EP0428343A1 A process for producing an alpha,beta-unsaturated carbonyl compound
05/22/1991EP0427965A2 Process for the preparation of cyclohexanol derivatives
05/21/1991US5017732 Process for preparing chlorofluorocarbons via an in situ generated activated aluminum trihalide catalyst and products resulting therefrom
05/21/1991US5017720 Iron salt esterification catalyst, phenothiazine and alkylphenol preservative
05/21/1991US5017542 Catalyst for the oxidation and ammonoxidation of α-, β-unsaturated hydrocarbons
05/21/1991US5017541 Catalyst for the isomerization of alkanes
05/21/1991US5017535 Process for the preparation of a presulfided and sulfided catalyst
05/21/1991CA2025904A1 Process for the preparation of 4-bromophthalic anhydride
05/20/1991CA2016658A1 Preparation of 2,4,5-trifluorobenzoic acid by decarboxylation of 3,4,6-trifluorophthalic anhydride
05/18/1991WO1991007368A1 PREPARATION METHOD FOR α,β-UNSATURATED KETONES
05/17/1991CA2030107A1 Process for the production of 1-(aminomethyl)cyclohexane acetic acid
05/16/1991WO1991006525A1 Process for the production of polybasic acid esters with recovery of boron trifluoride
05/15/1991EP0427603A1 Process for the preparation of fluorinated aromatic compounds and catalysts based on Lewis-acids
05/15/1991CN1051351A Process for mfr. of 1,1-dichlorotetrafluoroethane
05/14/1991US5015778 Oxidation of diaryl compounds with oxygen
05/14/1991US5015761 Esters and alcohol derivatives of dimethyltricyclo(6.2.01.6)un decanes as perfumes
05/14/1991US5015750 Sodium reduction of a methylaluminum chloride in fluoride presence
05/14/1991US5015396 Removal of cyanide from aqueous streams
05/14/1991CA2029746A1 Process for the carbonylation of allylic butenols, and butenol esters
05/14/1991CA2028741A1 Synthesis of quinoline and substituted quinoline copolymers
05/08/1991EP0426343A1 Process for manufacture of 1,1-dichlorotetrafluoroethane
05/08/1991EP0425666A1 Process for producing methacrylic acid and methacrolein
05/08/1991EP0425540A1 Catalyzed hydrofluorination process.
05/08/1991EP0425538A1 TaX5 CATALYZED HYDROFLUORINATION OF HALOGENATED ALKANES.
05/08/1991CN1051167A Halocarbon hydrogenolysis
05/08/1991CN1012570B Process for treating ammonium nitrate-centg. waste water
05/07/1991WO1991006528A1 N-(3',4'-dimethoxycinnamoyl)anthranilic acid
05/07/1991US5013337 Process for separating a mixture of molecular species using crystalline microporous metal sulfide compositions
05/07/1991CA2029328A1 Process for preparing fluorinated aromatic derivatives with a lewis acid catalyst
05/03/1991WO1991006505A1 Efficient production of chlorine from hydrogen chloride
05/02/1991WO1991005753A1 Process for chlorofluoropropanes
05/02/1991WO1991002711A3 7,7-dimethylnorbornane derivatives
05/02/1991EP0425020A1 Alkylene oxide catalysts containing high silver content
05/02/1991EP0424965A1 Amine oxide process
05/02/1991EP0424900A2 Process for preparing catalysts for producing methacrylic acid
05/02/1991EP0424861A2 Process for the continuous preparation of esters of lower carboxylic acid with lower alcohols
05/02/1991EP0424847A1 The method for parallel-producing 2,5-dichlorotoluene and 2,6-dichlorotoluene
05/02/1991EP0424531A1 Process for producing 1,1-dichloro-2,2,2-trifluoroethane
05/02/1991EP0424460A1 Heterogeneous isoparaffin/olefin alkylation process.
05/02/1991EP0424445A1 Heterogeneous isoparaffin/olefin alkylation process.
05/01/1991WO1991006526A1 Process and catalyst for production of diaryl carbonates
05/01/1991CA2067375A1 Process and catalyst for production of diaryl carbonates
05/01/1991CA2028486A1 Process for manufacture of 1,1-dichloretetrafluoroethane
04/1991
04/30/1991US5012025 Molecular restructuring catalyst
04/30/1991US5012013 Process for the purification of alkylene oxide adducts
04/30/1991US5012007 Reacting A Phenyl Alcohol With Carbon Monoxide In The Presence Of A Lewis Acid Catalyst
04/30/1991US5011945 Catalytic oxidation of n-butane with oxygen; vanadium-phosphorous, oxygen catalyst modified with molybdenum
04/30/1991US5011808 Mixture of metallic chlorides on a support
04/30/1991US5011807 Catalysts for the production of ethylene oxide
04/30/1991CA1283665C Method for producing p-alkylstyrene
04/30/1991CA1283647C Layered silicates and their synthesis
04/30/1991CA1283646C Layered metal oxides containing interlayer oxides and their synthesis
04/24/1991EP0424259A1 Process for the improvement of the sulphur yield of a sulphur production unit fed with a hydrogen sulphide containing acid gas
04/24/1991EP0423583A1 Process for the preparation of hydroxyanthraquinones
04/24/1991EP0392007A4 Process for preparing linearly-extended polyalkylenepolyamines
04/24/1991CN1050894A Process for the synthesis of dielectric fluids
04/24/1991CN1050866A Silver-containing catalysts for oxidative coupling
04/24/1991CN1050864A Low temperature catalysts fer oxidative coupling processes
04/24/1991CN1050863A Vapor phase modifiers for oxidative coupling
04/24/1991CN1050862A High ethylene to ethane process for oxidative coupling
04/24/1991CN1050861A Strontium and/or barium-containing catalysts for oxidative coupling process
04/24/1991CN1012429B Molecular sieve composition of b-a1-p-si-o
04/23/1991US5010049 Modified molybdenum sulfide hydrodesulfurization/hydrodenitrogenation catalysts
04/23/1991US5010047 Recovery of double metal cyanide complex catalyst from a polymer