| Patents for C07C 27 - Processes involving the simultaneous production of more than one class of oxygen-containing compounds (9,977) | 
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| 04/16/1991 | US5008235 Catalysts of Cu-Al-third metal for hydrogenation | 
| 04/09/1991 | CA1282800C Acid catalyzed process | 
| 04/09/1991 | CA1282797C Process for preparing bisphenol a | 
| 04/03/1991 | EP0420048A1 Process for the obtention of methacrolein and methacrylic acid | 
| 04/02/1991 | US5004837 Oxidation of cycloalkane | 
| 03/27/1991 | EP0418657A2 Process for producing methacrylic acid and methacrolein by catalytic oxidation of isobutane | 
| 03/26/1991 | US5003109 Reaction mixtures from phenol synthesis, copper compound | 
| 03/26/1991 | US5002914 Process for purifying and recovering the contaminated catalyst solution arising in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether | 
| 03/20/1991 | EP0417867A1 Catalysts for the catalysed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters | 
| 03/20/1991 | CN1012063B Hydroformylation of olefins | 
| 03/19/1991 | US5001274 Hydroformylation process | 
| 03/13/1991 | EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol | 
| 03/12/1991 | US4999454 Catalysis with iron hydrate compound; reacting chloral with unsaturated hdyrocarbon | 
| 03/06/1991 | CN1049652A Hydroformylation process | 
| 03/05/1991 | US4997978 Preparation of alkyl carboxylates by hydrocarbonylation | 
| 02/27/1991 | EP0414453A1 Optically active cyclopentenols and process for preparing the same | 
| 02/26/1991 | US4996375 Vitamin E intermediates and a process for their manufacture and conversion into Vitamin E | 
| 02/26/1991 | US4996372 In a basic aqueous solution, then acid cleaving in the presence of hydrogen peroxide | 
| 02/26/1991 | US4996366 Process for the catalytic hydroformylation of olefins | 
| 02/20/1991 | CN1049300A Agglomerates of malachite crystals and method for their preparation | 
| 02/19/1991 | US4994489 Ester derivatives of diarylacetylenes, their compositions and their use in acne treatment | 
| 02/19/1991 | CA1280539C Process and catalyst for production of a bisphenol | 
| 02/19/1991 | CA1280445C Process for the preparation of perfluoroalkylalkenols | 
| 02/13/1991 | EP0412596A1 Process for oxidising paraffinic compounds | 
| 02/12/1991 | US4992566 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol | 
| 02/12/1991 | CA1280127C Stabilisation process for phenol chlorination and/or chlorophenol mixes | 
| 02/12/1991 | CA1280126C Stabilisation process for phenol chlorination and/or chlorephenol mixes | 
| 02/06/1991 | EP0411202A1 Cosmetic composition | 
| 02/05/1991 | US4990690 Process for preparing aromatic polyhydric alcohol | 
| 02/05/1991 | US4990689 2,4-bis(2-hydroxyhexafluoro-2-propyl)fluorobenzene and method of preparing same | 
| 02/05/1991 | US4990688 Removal of cyclohexanol | 
| 02/05/1991 | US4990677 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives | 
| 02/05/1991 | US4990655 Vapor phase hydrogenation using noble metal-rhenium catalyst | 
| 01/30/1991 | EP0410901A1 Method of catalytic oxidation of alkanes to give mixtures of alcohols and ketones | 
| 01/30/1991 | EP0216785B1 Indene analogs of mevalonolactone and derivatives thereof | 
| 01/29/1991 | US4988826 Process for intermediates for insecticidal compounds | 
| 01/29/1991 | US4988819 1,2,4-triazolemethyl ketones as chemical intermediates for plant growth regulators or fungicides | 
| 01/29/1991 | US4988732 3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid composition and use for treating papillomata | 
| 01/29/1991 | US4988730 Treatment of angina or arrhythmia | 
| 01/29/1991 | CA1279657C Process for making 1,3-glycols from epoxides | 
| 01/29/1991 | CA1279655C Process for separating iodine and its compounds from the products obtained on subjecting dimethylether, methyl acetate or methanol to a carbonylation reaction | 
| 01/23/1991 | EP0409740A1 Compound labelled with tritium, its preparation and use, especially in locating retinoid nuclear receptors | 
| 01/22/1991 | US4986885 Process for the separation of butanol and butoxyacetaldehyde | 
| 01/16/1991 | EP0214147B1 Crystalline magnesia-silica composites and process for producing same | 
| 01/16/1991 | CN1011232B Improved aldehyde hydrogenation catalyst and process | 
| 01/15/1991 | US4985572 Catalyzed hydrogenation of carboxylic acids and their anhydrides to alcohols and/or esters | 
| 01/15/1991 | US4985383 Process for removing metallic corrosion products from a contaminated catalyst solution produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether | 
| 01/09/1991 | EP0406742A1 Process for the preparation of cis-dihydronopol | 
| 01/08/1991 | US4983739 Optically active styrene compounds | 
| 01/02/1991 | EP0404834A1 Squalene oxide cyclase inhibitors and pharmaceutical composition | 
| 01/01/1991 | US4982020 Oxides of copper, barium, chromium as catalyst | 
| 01/01/1991 | US4982018 Removal of cyclohexanol from aqueous solutions containing it and aromatic sulfonic acids | 
| 01/01/1991 | US4982017 Composition for use in organolithium synthesis reactions | 
| 01/01/1991 | US4982013 Zeolite catalyst | 
| 01/01/1991 | US4982011 Hydrogenation, distillation, catalytic cracking | 
| 12/27/1990 | EP0404417A1 Removal of acidic impurities from tertiary butyl hydroperoxide containing feedstock | 
| 12/27/1990 | EP0404193A1 Hydroformylation process | 
| 12/27/1990 | EP0403639A1 Process for the conversion of olefins to alcohols and/or ethers | 
| 12/27/1990 | CA1278315C Method and apparatus for removing water from ethanol | 
| 12/25/1990 | US4980488 Fungicidal and plant growth-regulating azolymethyl-cyclopropyl derivatives | 
| 12/23/1990 | CA2019688A1 Hydroformylation process | 
| 12/14/1990 | CA2018524A1 Process for light olefins hydration and mtbe production | 
| 12/12/1990 | EP0401532A1 Process for the preparation of a storage stable levulinic acid | 
| 12/11/1990 | US4977285 Adding lower aliphatic alcohol to heavy liquid distillation fraction, then falling-film evaporation | 
| 12/11/1990 | US4977284 Process for producing 1,4-butanediol and tetrahydrofuran | 
| 12/11/1990 | US4976928 Device for performing exothermic catalytic gas reactions for the synthesis of ammonia or methanol | 
| 12/11/1990 | CA1277652C Bimetallic catalysts for the reaction of carbon monoxide and hydrogen | 
| 12/05/1990 | CA2017580A1 Process for the preparation of storage-stable levulinic acid | 
| 11/29/1990 | WO1990014325A1 Process for producing methacrylic acid and methacrolein | 
| 11/28/1990 | EP0399913A1 Process for the synthesis of "oxo" products through the plasma route and plant comprising a plasma reactor useful in the process | 
| 11/28/1990 | EP0399776A2 Ethylbenzene oxidation | 
| 11/28/1990 | EP0398998A1 Synthetic porous crystalline material, its synthesis and use. | 
| 11/27/1990 | US4973768 Process for the preparation of unsaturated alcohols | 
| 11/27/1990 | US4973767 Cyclopropane derivatives | 
| 11/27/1990 | US4973765 Preparation of dien-1-ols, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol | 
| 11/27/1990 | US4973746 Ammonolysis, dehydration, hydrogenation | 
| 11/27/1990 | US4973717 Production of butanediol and tetrahydrofuran, metal alloy catalyst | 
| 11/24/1990 | CA2017368A1 Process for the synthesis of oxo compounds and apparatus comprising a plasma reactor for use in said process | 
| 11/21/1990 | CN1010462B Process for producing fluidized catalyst for synthesis of methanol | 
| 11/20/1990 | CA1276652C Phenolic compound chlorination process | 
| 11/13/1990 | US4970185 Nickel, salt, hydride, alchol | 
| 11/13/1990 | CA1276183C Process for the preparation of di-ortho-substituted di-meta-halogenatedpara-halomethylphenols | 
| 11/07/1990 | CN1010304B Process for preparing of phenol and acetone by oxidation of cumene | 
| 11/06/1990 | US4968849 Process for the preparation of 2-ethylhexanol by liquid-phase catalytic hydrogenation of 2-ethylhexenal, and catalyst | 
| 11/06/1990 | US4968848 Process of the prparation of perfluoroalkyl compounds, and pentafluoroethyltrimethylsilane | 
| 11/06/1990 | US4968759 Alkylation polymerization of phenol with bis(hydroxyalkyl)benzene followed by alkylation of ortho or para position | 
| 11/06/1990 | US4968668 Alcohols having 3-methyl or 3,5-dimethyl or 3,5-dimethylphenyl groups, a process for their preparation and a fragrance composition containing same | 
| 11/06/1990 | US4968667 1,1-dimethyl-3-hydroxymethylindane and perfumery composition comprising the same | 
| 10/30/1990 | US4967019 Method of manufacturing 2-propyn-1-ol | 
| 10/30/1990 | US4967018 Monoalkylene glycol production using mixed metal framework compositions | 
| 10/24/1990 | EP0393895A2 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes | 
| 10/24/1990 | CN1046293A Catalyst recovery in production of alcohols | 
| 10/23/1990 | US4965400 Acylation of 2,6-di-substituted phenol with acetic anhydride, esterifying, hydrogenation, and dehydrating | 
| 10/23/1990 | US4965376 3,9-dihydroxynonyne and its derivatives protected at the 9-OH function | 
| 10/17/1990 | CA2013805A1 Silicometallate molecular sieves and their use as catalysts in oxidation of alkanes | 
| 10/16/1990 | US4963590 Enzyme inhibitor for treating parkinson's disease along with dopa;potentiation | 
| 10/10/1990 | EP0391650A2 Catalyst recovery in the production of alcohols | 
| 10/09/1990 | US4962243 Preparation of octadienols | 
| 10/09/1990 | US4962241 Process for producing dihydroxynaphthalenes | 
| 10/04/1990 | CA2013674A1 Catalyst recovery in the production of alcohols |