Patents
Patents for C07C 27 - Processes involving the simultaneous production of more than one class of oxygen-containing compounds (9,977)
04/1991
04/16/1991US5008235 Catalysts of Cu-Al-third metal for hydrogenation
04/09/1991CA1282800C Acid catalyzed process
04/09/1991CA1282797C Process for preparing bisphenol a
04/03/1991EP0420048A1 Process for the obtention of methacrolein and methacrylic acid
04/02/1991US5004837 Oxidation of cycloalkane
03/1991
03/27/1991EP0418657A2 Process for producing methacrylic acid and methacrolein by catalytic oxidation of isobutane
03/26/1991US5003109 Reaction mixtures from phenol synthesis, copper compound
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
03/20/1991EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
03/20/1991CN1012063B Hydroformylation of olefins
03/19/1991US5001274 Hydroformylation process
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/12/1991US4999454 Catalysis with iron hydrate compound; reacting chloral with unsaturated hdyrocarbon
03/06/1991CN1049652A Hydroformylation process
03/05/1991US4997978 Preparation of alkyl carboxylates by hydrocarbonylation
02/1991
02/27/1991EP0414453A1 Optically active cyclopentenols and process for preparing the same
02/26/1991US4996375 Vitamin E intermediates and a process for their manufacture and conversion into Vitamin E
02/26/1991US4996372 In a basic aqueous solution, then acid cleaving in the presence of hydrogen peroxide
02/26/1991US4996366 Process for the catalytic hydroformylation of olefins
02/20/1991CN1049300A Agglomerates of malachite crystals and method for their preparation
02/19/1991US4994489 Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment
02/19/1991CA1280539C Process and catalyst for production of a bisphenol
02/19/1991CA1280445C Process for the preparation of perfluoroalkylalkenols
02/13/1991EP0412596A1 Process for oxidising paraffinic compounds
02/12/1991US4992566 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
02/12/1991CA1280127C Stabilisation process for phenol chlorination and/or chlorophenol mixes
02/12/1991CA1280126C Stabilisation process for phenol chlorination and/or chlorephenol mixes
02/06/1991EP0411202A1 Cosmetic composition
02/05/1991US4990690 Process for preparing aromatic polyhydric alcohol
02/05/1991US4990689 2,4-bis(2-hydroxyhexafluoro-2-propyl)fluorobenzene and method of preparing same
02/05/1991US4990688 Removal of cyclohexanol
02/05/1991US4990677 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives
02/05/1991US4990655 Vapor phase hydrogenation using noble metal-rhenium catalyst
01/1991
01/30/1991EP0410901A1 Method of catalytic oxidation of alkanes to give mixtures of alcohols and ketones
01/30/1991EP0216785B1 Indene analogs of mevalonolactone and derivatives thereof
01/29/1991US4988826 Process for intermediates for insecticidal compounds
01/29/1991US4988819 1,2,4-triazolemethyl ketones as chemical intermediates for plant growth regulators or fungicides
01/29/1991US4988732 3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid composition and use for treating papillomata
01/29/1991US4988730 Treatment of angina or arrhythmia
01/29/1991CA1279657C Process for making 1,3-glycols from epoxides
01/29/1991CA1279655C Process for separating iodine and its compounds from the products obtained on subjecting dimethylether, methyl acetate or methanol to a carbonylation reaction
01/23/1991EP0409740A1 Compound labelled with tritium, its preparation and use, especially in locating retinoid nuclear receptors
01/22/1991US4986885 Process for the separation of butanol and butoxyacetaldehyde
01/16/1991EP0214147B1 Crystalline magnesia-silica composites and process for producing same
01/16/1991CN1011232B Improved aldehyde hydrogenation catalyst and process
01/15/1991US4985572 Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters
01/15/1991US4985383 Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
01/09/1991EP0406742A1 Process for the preparation of cis-dihydronopol
01/08/1991US4983739 Optically active styrene compounds
01/02/1991EP0404834A1 Squalene oxide cyclase inhibitors and pharmaceutical composition
01/01/1991US4982020 Oxides of copper, barium, chromium as catalyst
01/01/1991US4982018 Removal of cyclohexanol from aqueous solutions containing it and aromatic sulfonic acids
01/01/1991US4982017 Composition for use in organolithium synthesis reactions
01/01/1991US4982013 Zeolite catalyst
01/01/1991US4982011 Hydrogenation, distillation, catalytic cracking
12/1990
12/27/1990EP0404417A1 Removal of acidic impurities from tertiary butyl hydroperoxide containing feedstock
12/27/1990EP0404193A1 Hydroformylation process
12/27/1990EP0403639A1 Process for the conversion of olefins to alcohols and/or ethers
12/27/1990CA1278315C Method and apparatus for removing water from ethanol
12/25/1990US4980488 Fungicidal and plant growth-regulating azolymethyl-cyclopropyl derivatives
12/23/1990CA2019688A1 Hydroformylation process
12/14/1990CA2018524A1 Process for light olefins hydration and mtbe production
12/12/1990EP0401532A1 Process for the preparation of a storage stable levulinic acid
12/11/1990US4977285 Adding lower aliphatic alcohol to heavy liquid distillation fraction, then falling-film evaporation
12/11/1990US4977284 Process for producing 1,4-butanediol and tetrahydrofuran
12/11/1990US4976928 Device for performing exothermic catalytic gas reactions for the synthesis of ammonia or methanol
12/11/1990CA1277652C Bimetallic catalysts for the reaction of carbon monoxide and hydrogen
12/05/1990CA2017580A1 Process for the preparation of storage-stable levulinic acid
11/1990
11/29/1990WO1990014325A1 Process for producing methacrylic acid and methacrolein
11/28/1990EP0399913A1 Process for the synthesis of "oxo" products through the plasma route and plant comprising a plasma reactor useful in the process
11/28/1990EP0399776A2 Ethylbenzene oxidation
11/28/1990EP0398998A1 Synthetic porous crystalline material, its synthesis and use.
11/27/1990US4973768 Process for the preparation of unsaturated alcohols
11/27/1990US4973767 Cyclopropane derivatives
11/27/1990US4973765 Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol
11/27/1990US4973746 Ammonolysis, dehydration, hydrogenation
11/27/1990US4973717 Production of butanediol and tetrahydrofuran, metal alloy catalyst
11/24/1990CA2017368A1 Process for the synthesis of oxo compounds and apparatus comprising a plasma reactor for use in said process
11/21/1990CN1010462B Process for producing fluidized catalyst for synthesis of methanol
11/20/1990CA1276652C Phenolic compound chlorination process
11/13/1990US4970185 Nickel, salt, hydride, alchol
11/13/1990CA1276183C Process for the preparation of di-ortho-substituted di-meta-halogenatedpara-halomethylphenols
11/07/1990CN1010304B Process for preparing of phenol and acetone by oxidation of cumene
11/06/1990US4968849 Process for the preparation of 2-ethylhexanol by liquid-phase catalytic hydrogenation of 2-ethylhexenal, and catalyst
11/06/1990US4968848 Process of the prparation of perfluoroalkyl compounds, and pentafluoroethyltrimethylsilane
11/06/1990US4968759 Alkylation polymerization of phenol with bis(hydroxyalkyl)benzene followed by alkylation of ortho or para position
11/06/1990US4968668 Alcohols having 3-methyl or 3,5-dimethyl or 3,5-dimethylphenyl groups, a process for their preparation and a fragrance composition containing same
11/06/1990US4968667 1,1-dimethyl-3-hydroxymethylindane and perfumery composition comprising the same
10/1990
10/30/1990US4967019 Method of manufacturing 2-propyn-1-ol
10/30/1990US4967018 Monoalkylene glycol production using mixed metal framework compositions
10/24/1990EP0393895A2 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/24/1990CN1046293A Catalyst recovery in production of alcohols
10/23/1990US4965400 Acylation of 2,6-di-substituted phenol with acetic anhydride, esterifying, hydrogenation, and dehydrating
10/23/1990US4965376 3,9-dihydroxynonyne and its derivatives protected at the 9-OH function
10/17/1990CA2013805A1 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes
10/16/1990US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation
10/10/1990EP0391650A2 Catalyst recovery in the production of alcohols
10/09/1990US4962243 Preparation of octadienols
10/09/1990US4962241 Process for producing dihydroxynaphthalenes
10/04/1990CA2013674A1 Catalyst recovery in the production of alcohols
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