Patents for B01J 31 - Catalysts comprising hydrides, coordination complexes or organic compounds (46,446)
04/1991
04/10/1991EP0421218A2 Process for the preparation of trifluoromethyl groups containing carboxylic acid halide
04/10/1991CA2027188A1 Process for preparing secondary or tertiary dialkyl dicarbonates
04/09/1991US5006585 Stain-resistant plasticizer compositions and method of making same
04/09/1991US5006223 Thermal cracking like fluid coking of feed stock to low boiling
04/09/1991US5006166 Recovery of noble metals
04/09/1991CA1282800C Acid catalyzed process
04/09/1991CA1282797C Process for preparing bisphenol a
04/09/1991CA1282794C Process for preparing hydroxylamines and products thus obtained
04/09/1991CA1282791C Method for preparation of mercaptobenzoates
04/04/1991WO1991004257A1 Monocyclopentadienyl transition metal olefin polymerization catalysts
04/03/1991EP0420658A2 A catalyst for asymmetric induction
04/03/1991EP0420522A2 Precured silicone emulsion
04/03/1991EP0420436A1 Olefin polymerization catalysts
04/03/1991EP0420025A2 Process for the preparation of phenolic antioxidants
04/03/1991CN1050385A Process and intermediates for preparing compounds having disubstituted acetylene moiety and retinoic acid-like biological activity
04/03/1991CA2026653A1 Process for the carbonylation of acrylic acid
04/03/1991CA2025188A1 Methods for generating chlorine dioxide and compositions for disinfecting
04/02/1991US5004844 Heating and pressurization of aldehydes and ketones in the presence of a catalyst to form an alcohol
04/02/1991US5004842 Aromatic vinyl ether compounds and compositions, and method of making the same
04/02/1991US5004839 In the presence of a secondary amin catalyst, a halogen acid and an insoluble metal oxide
04/02/1991US5004837 Oxidation of cycloalkane
04/02/1991US5004830 Process for oxidation of alkyl aromatic compounds
04/02/1991US5004823 Low pressure rhodium catalyzed hydroformylation of olefins
04/02/1991US5004797 Partly fluorinated carboxylic acids and derivatives thereof, processes for their preparation and their use
04/02/1991US5004591 Catalyst containing basic and surfactant component
04/02/1991US5004569 Process for the production of carboxylic acid esters
04/02/1991US5004551 Catalytic oxidation of hazardous wastes
04/02/1991CA1282434C Process for the preparation of the parylene dimer
04/02/1991CA1282431C Production of crystalline tribromostyrene
04/02/1991CA1282426C PROCESS FOR PREPARING TRANS-.beta.-BENZOYLACRYLIC ACID ESTER
04/02/1991CA1282422C Process for preparing vinyl-tri-(tertiary- substituted)alkoxysilanes
04/02/1991CA1282420C Process for producing 2-methyl-1,4-naphthoquinone
03/1991
03/30/1991CA2025357A1 Catalyst for asymmetric induction
03/29/1991WO1991004979A1 A method of preparing monothiophosphoric acid by sulfurizing a phosphite in the presence of an amide
03/28/1991WO1991004970A1 Cyclic peroxyacetal lactone, lactol and ether compounds
03/28/1991CA2067101A1 Cyclic peroxyacetal lactone and ether compounds
03/27/1991EP0419409A2 Iridium complexes, process for their preparation and their use
03/27/1991EP0419312A1 Method for the production of optically active 2-aryl-propionic acids
03/27/1991EP0419132A2 Process and intermediates for preparing compounds having a disubstituted acetylene moiety and retinoic acid-like biological activity
03/27/1991EP0418939A1 Preparation of 9,9-bis(aminophenyl)fluorenes or 9-phenylimidofluorenes
03/27/1991EP0418764A2 A process for producing a carbonyl compound
03/27/1991EP0418568A2 Novel fluorinated cyclic organic silicon compounds and a method for making them
03/27/1991CN1012178B Hydrogen energy releasing catalyst
03/26/1991US5003110 Process for the preparation of saturated aldehydes by hydrogenation of α,β-unsaturated aldehydes
03/26/1991US5003109 Reaction mixtures from phenol synthesis, copper compound
03/26/1991US5003108 Using a tetraalkylammonium or phosponium catalyst for the reaction of phosphine and an alkyl halide in the presence of an alkali hydroxide
03/26/1991US5003104 Rhodium compound, an iodide and a lithium component
03/26/1991US5003093 Process for making alkyl arsine compounds
03/26/1991US5003091 Preparation of 3-memory-4,5-methylenedioxybenzaldehyde
03/26/1991US5003084 From Alkylene Glycols and Urea
03/26/1991US5003083 Process for preparing optically active cyano compound
03/26/1991US5003057 Sulfonate acid catalysts for etherification of saccharides
03/26/1991US5002914 Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether
03/26/1991CA1282075C Process for preparing hexenedioate esters
03/26/1991CA1282070C Biologically active amide derivatives
03/20/1991EP0417605A2 Organotin catalysts for use in polyurethane systems
03/20/1991EP0417597A2 Method for the production of 2-formylbutyric acid methyl ester
03/20/1991EP0417407A1 Shaped bodies of macroporous ion exchanger resins and their use
03/20/1991EP0417325A1 Process for producing norcamphanedicarbonitriles
03/20/1991EP0417240A1 Process for reducing propenyl ether concentration in hydroxy-functional polyether compounds.
03/19/1991US5001269 Process for the production of lower dialkyl disulphides
03/19/1991US5001257 Preparation of 4-pentenoic acid, amide or esters by isomerization
03/19/1991US5001249 Catalytic process for preparing dialkyl phosphorodithioic acids
03/19/1991US5001246 Process for preparation of aminopropylalkoxysilane
03/19/1991CA1281732C Iridium complexes and the use thereof
03/19/1991CA1281726C Process for the production of macrocyclic esters by the depolymerization of polyesters
03/19/1991CA1281704C Transition metal complex catalyzed processes
03/16/1991CA2024915A1 Process for the preparation of methyl 2-formylbutyrate
03/14/1991DE3930145A1 Supported catalyst for low-temp. oxidn. of organic cpds. etc. - comprises support loaded with transition metal phthalocyanine and amine, activated by heating in nitrogen etc.
03/13/1991EP0416979A1 Process for fixed bed sweetening of petroleum fractions
03/13/1991EP0416906A2 Method of removing hydroperoxides from lubricating oils
03/13/1991EP0416874A1 Process for improving thermal stability of synthetic lubes
03/13/1991EP0416822A2 Stain-resistant plasticizer compositions and method of making same
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/13/1991EP0416583A1 Method for the preparation of crotonobetaine hydrochloride
03/13/1991EP0416471A2 Platinum catalyst composition, method for its preparation and curable organopolysiloxane compositions containing same
03/13/1991EP0416304A2 Chromium compounds and uses thereof
03/13/1991EP0416261A1 Method of making ketals
03/13/1991EP0416118A1 PRODUCTION OF p-PHENYLENEDIAMINES
03/13/1991EP0416085A1 Process for the preparation of phenylpyruvic acid from benzyl chloride
03/13/1991EP0416069A1 New leucotriene b 4 derivatives, a method of preparing them, and their use as drugs.
03/13/1991EP0416000A1 Polysulfonic acids
03/13/1991EP0334951A4 High yield method for preparation of dialkyl esters of polyhaloaromatic acids
03/13/1991CN1049850A Process for preparing vanadium-based catalyst suitable for olefin polymerisation
03/13/1991CN1049801A Catalytic composition and its use in oligomerising monoolefins
03/13/1991CN1011960B Preparation method for molecular sieve composition
03/12/1991US4999454 Catalysis with iron hydrate compound; reacting chloral with unsaturated hdyrocarbon
03/12/1991US4999450 Process for preparing alpha-(3-benzylphenyl) propionic acid derivative
03/12/1991US4999443 Transition metal complexes
03/12/1991US4999328 Hydrocracking of heavy oils in presence of petroleum coke derived from heavy oil coking operations
03/09/1991CA2024834A1 Fixed bed petroleum cuts softening process
03/08/1991CA2023744A1 Process for the production of crotonobetaine hydrochloride
03/07/1991WO1991002713A1 Method of producing 3,4,3',4'-substituted biphenyl compounds
03/07/1991WO1991002587A1 Catalyst for polymerization of diene and method of obtaining polydiene with the use of said catalyst
03/06/1991EP0415310A2 Process for the production of tertiary alcohols
03/06/1991EP0311619B1 Chelate ligands for low pressure hydroformylation catalyst and process employing same
03/06/1991CN1049661A Three-liquid-phase expoxidation of perfluoroolefins
03/06/1991CA2024546A1 Process for the preparation of optically active aryl-2 propionic acids
03/05/1991US4997978 Preparation of alkyl carboxylates by hydrocarbonylation
03/05/1991US4997968 Method of preparing monothiophosphoric acid by sulfurizing a phosphite in the presence of an amide