Patents
Patents for B01J 23 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group (79,164)
05/1991
05/07/1991US5013706 Chromium oxide, titanium oxide, vanadium oxide, selectivity to mono-olefins
05/07/1991US5013705 Platinum-free three-way catalyst
05/07/1991US5013704 Novel platinum-rhenium-alumina catalysts for reforming
05/07/1991US5013618 Ternary alloy fuel cell catalysts and phosphoric acid fuel cell containing the catalysts
05/07/1991US5013571 Methods for making tetrahydroisoalpha and hexahydroisoalpha acids
05/07/1991US5013424 Process for the simultaneous hydrogenation of a first feedstock comprising hydrocarbonaceous compounds and having a non-distillable component and a second feedstock comprising halogenated organic compounds
05/07/1991CA2029328A1 Process for preparing fluorinated aromatic derivatives with a lewis acid catalyst
05/07/1991CA2029277A1 Method for production of acrylic acid
05/07/1991CA1283929C Oligomerization of ethylene in methanol and water
05/07/1991CA1283899C Process for the preparation of a silver-containing catalyst
05/03/1991WO1991006505A1 Efficient production of chlorine from hydrogen chloride
05/02/1991WO1991005765A1 Process for preparing sulfonamide derivative of norbornane
05/02/1991WO1991002711A3 7,7-dimethylnorbornane derivatives
05/02/1991EP0425020A1 Alkylene oxide catalysts containing high silver content
05/02/1991EP0424900A2 Process for preparing catalysts for producing methacrylic acid
05/02/1991EP0424764A2 Process for the preparation of Bis- and Tris-(3-dimethylaminopropyl)amine
05/02/1991EP0424738A2 Process for the preparation of amines
05/02/1991EP0424466A1 Process for selective production of 3-methylpyridine.
05/02/1991EP0424377A1 Reduction of the ignition temperature of diesel soot
05/02/1991DE3935861A1 Verfahren zur herstellung von fluorbenzolen und fluortoluolen Process for the preparation of fluorobenzenes and fluortoluolen
05/01/1991CN1050994A Improved aldehyde hydrogenation catalyst and process
05/01/1991CN1012503B Hydrogenation catalyst for coal tar, a method of hydrogenation of coal tar with use of such catalyst, and a method of producing super needle coke, from the hydrogenation product of coal tar
05/01/1991CN1012497B Method for starting and stopping acrylamide reactor
05/01/1991CN1012496B Method for production of oxydicarboxylic acid salts
04/1991
04/30/1991US5012028 Process for upgrading light hydrocarbons using oxidative coupling and pyrolysis
04/30/1991US5012027 Dual profile surface-impregnated dehydrogenation catalyst and process
04/30/1991US5012023 Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
04/30/1991US5012022 Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture
04/30/1991US5012012 Alkoxylation catalyst
04/30/1991US5011997 Process for bis(4-aminophenyl)hexafluoropropane
04/30/1991US5011996 Process for the preparation of amines
04/30/1991US5011980 Process for preparation of allyl acetate
04/30/1991US5011926 Producing morpholine and diglycolamine using dual nickel-based catalyst and hydrogen
04/30/1991US5011809 Preparation of a silver catalyst
04/30/1991US5011807 Catalysts for the production of ethylene oxide
04/30/1991US5011806 Catalyst composition for the hydrogenation of carboxylic acid esters
04/30/1991US5011671 Ceric oxide with new morphological characteristics and method for obtaining same
04/28/1991WO1991006523A1 Method of preparation of fluorobenzenes and fluorotoluenes
04/28/1991CA2070386A1 Process for the preparation of fluorobenzenes and fluorotoluenes
04/24/1991EP0424069A1 Hydrogenation catalys and process of using said catalyst
04/24/1991EP0423694A1 Process for the catalytic dehydrogenation in the gaseous phase of hydrocarbons, in particular of alkylaromatics
04/24/1991EP0423692A1 Use of a catalyst for preparing aldehyde
04/24/1991EP0423525A1 Process for the preparation of epimer-free sugaralcohols from the group of xylitol, sorbitol (D-glucitol), 4-0-beta-D-galactopyranosyl-D-glucitol and 4-0-alpha-D-glycopyranosyl-D-sorbitol
04/24/1991EP0392007A4 Process for preparing linearly-extended polyalkylenepolyamines
04/24/1991CN1050866A Silver-containing catalysts for oxidative coupling
04/24/1991CN1050865A Perovskite 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
04/23/1991US5010202 Crosslinking and adhesion promoters for moisture-hardening systems such as polyurethanes, acrylics and polyepoxides
04/23/1991US5010108 Treatment of gastrointestinal disorders
04/23/1991US5010052 Zirconium dioxide gas desulfurization catalyst
04/23/1991US5010051 Staged three-way conversion catalyst and method of using the same
04/23/1991US5009872 Method of oxidizing gaseous substances
04/18/1991WO1991004790A1 Amorphous alloy catalyst for cleaning exhaust gas
04/18/1991WO1991004789A1 Process for producing acid-resistant catalysts for the direct hydration of carboxylic acids into alcohols
04/18/1991DE3933661A1 Catalyst for hydrogenation of acetophenone to methyl benzyl alcohol - made by impregnating silica support with solns. of copper tetr:amine carbonate and ammonium chromate, and drying prod.
04/17/1991EP0422968A1 Hydrogenation of citral
04/17/1991EP0422523A2 Process for the preparation of cyclic carbonates
04/17/1991EP0422366A2 Process for the preparation of N-substituted pyrolidin-2-ones
04/17/1991CN1050736A Hydrodemetalation and hydrodesulfurization using catalyst of specified macroporosity
04/16/1991US5008480 Process for converting toluene and butadiene to styrene and 1-pentene
04/16/1991US5008463 Process for the preparation of formaldehyde
04/16/1991US5008456 Diamino compounds, dinitro compounds, diol compounds and a process for preparing the diamino compounds
04/16/1991US5008432 Production of mercapto compounds
04/16/1991US5008413 Using silver salt of neo-decanoate/cumene with alkali metal activation; increased selectivity
04/16/1991US5008235 Catalysts of Cu-Al-third metal for hydrogenation
04/16/1991US5008234 Vaporizing metal to form metal-ethylene complex, solidification, heating to remove excess ethylene, impregnating support decompsoing the complex to leave metal deposits
04/16/1991US5008090 Catalytic process for minimizing the H2 S emissions from automotive exhaust
04/16/1991CA1283128C Process for the preparation of hydroxyamines
04/16/1991CA1283124C Keratinic fiber dye composition having a 2-nitro-metaphenylenediamine base, process for its preparation and novel 2-nitro-metaphenylenediamine used
04/16/1991CA1283113C Preparation of tetrachloropyridine
04/16/1991CA1283108C Process for the production of 2,2,6,6-tetraalkyl-4- piperidylamines
04/16/1991CA1283107C Process for the production of 2,2,6,6-tetraalkyl-4- piperidylamines
04/11/1991WO1991005752A1 Halocarbon hydrogenolysis
04/11/1991DE3942064A1 Verfahren zur herstellung von saeurefesten katalysatoren fuer die direkte hydrierung von carbonsaeuren zu alkoholen Process for the preparation of alcohols to acid-resistant catalysts for the direct hydrogenation of carboxylic acids
04/11/1991CA2067370A1 Halocarbon hydrogenolysis
04/11/1991CA2027076A1 Process for preparation of 4-(4-isobutylphenyl)-butyr-aldehyde and its use for the preparation of (-)-4(2-chlorophenyl)-2[2-(4-isobutylphenyl)-ethyl]-6,9-dim ethyl-6h-thieno[3,2-f]1,2,4]-triazolo[4,3][1,4]diazepine
04/10/1991EP0421878A1 Process for the hydrogenation of halogenated nitroaromatic derivatives in the presence of noble metal-based catalysts
04/10/1991EP0421830A1 Process for the preparation of 1,1,1-chlorodifluoroethane
04/10/1991EP0421781A1 Epoxidation process
04/10/1991EP0421737A1 Methods for generating chlorine dioxide and compositions for disinfecting
04/10/1991EP0421700A1 Enhanced production of ethylene from higher hydrocarbons
04/10/1991EP0421679A1 Process for the preparation of glycol ethers
04/10/1991EP0421677A1 Process for the preparation of glycol ethers
04/10/1991EP0421502A2 Process for the preparation of a catalyst or catalyst precursor suitable for the preparation of hydrocarbons from carbon monoxide and hydrogen, and said catalyst
04/10/1991EP0421468A1 Catalytic oxidation of ammonia
04/10/1991EP0421385A1 Process for producing p-hydroxyneophyl m-phenoxybenzyl ether
04/10/1991EP0421196A1 One-step process for the preparation of alcohols
04/10/1991EP0421169A1 Catalyst for the oxidation of carbon monoxide
04/09/1991US5006648 Process for preparing partial polyol fatty acid esters
04/09/1991US5006585 Stain-resistant plasticizer compositions and method of making same
04/09/1991US5006506 Modified chromium-containing catalyst composition for polymerizing olefins and method of preparing the catalyst composition
04/09/1991US5006318 Size and morphology is controlled by solvothermal process
04/09/1991CA1282794C Process for preparing hydroxylamines and products thus obtained
04/09/1991CA1282793C Preparation process of cinnamate ester
04/07/1991WO1991004780A1 Process for reducing the emission of organic compounds produced by incomplete combustion
04/06/1991CA2026943A1 Catalytic oxidation of ammonia
04/06/1991CA2026178A1 Epoxidation process