Patents
Sitemap › C07 - Organic chemistry › C07D - Heterocyclic compounds › C07D 301 - Preparation of oxiranes
Patents for C07D 301 - Preparation of oxiranes (10,136)
11/1991
11/04/1991CA2041368A1 Process and intermediates for chiral epoxides
10/1991
10/23/1991EP0453330A1 Process for the preparation of (-) (2R,3S)-2,3-epoxy-3-(4-methoxyphenyl) propionic acid methylester and its enantiomer
10/23/1991EP0453275A1 Process for producing epoxy compound
10/23/1991EP0453084A1 Lower alkylene oxide purification
10/22/1991US5059328 Separation agent comprising 1,3-glucan
10/22/1991CA1291146C Molybdenum/alkali metal/ethylene glycol complexes useful as epoxidation catalysts
10/17/1991WO1991013066A3 METHOD FOR PREPARING CIS-β-PHENYLGLYCIDIC-(2R,3R) ACID
10/16/1991EP0452265A2 Process for the preparation of epoxy resins
10/15/1991US5057618 Complex compounds containing sulfonated phenyl phosphanes
10/15/1991US5057481 Catalyst composition for oxidation of ethylene to ethylene oxide
10/09/1991CN1014243B Method for purification ethylene oxide
10/08/1991CA1290313C Catalytic system for epoxidation of alkenes
10/04/1991CA2039583A1 Process for the production of oxiranes
10/02/1991DE4010182A1 Catalysts for ethylene oxide prodn.
10/01/1991CA1289936C Fluorine-containing catalytic system for epoxidation of alkenes
10/01/1991CA1289729C Treatment of gas mixtures
09/1991
09/24/1991US5051395 Oxidation catalysts for epoxidation of alkene to form an epoxide
09/22/1991WO1991014694A1 Chiral catalysts and epoxidation reactions catalyzed thereby
09/05/1991WO1991013066A2 METHOD FOR PREPARING CIS-β-PHENYLGLYCIDIC-(2R,3R) ACID
09/05/1991WO1991009010A3 Fluorocarbon compounds and processes for preparation thereof
09/04/1991EP0444276A2 1,2,4-Triazolyl-propanol derivatives
09/03/1991CA1288380C Process to concentrate diluted aqueous solutions of ethylene oxyde
08/1991
08/28/1991EP0442947A1 Selective monoepoxidation of styrene, styrene analogs, and styrene derivatives to the corresponding oxide with molecular oxygen.
08/27/1991US5043461 Process for the production of oxides
08/22/1991WO1991012248A1 Composition comprising hydroxylated epoxy compound and preparation thereof
08/21/1991CN1013552B Process for conducting exothermic reaction
08/20/1991US5041569 Process for preparing styrene oxide
08/20/1991CA1287835C Epoxidized isocyanates and process for their preparation
08/14/1991EP0441471A1 Optical resolution
08/14/1991EP0441284A2 Process for reducing the undesirable halide content of epoxyresins
08/14/1991CN1013481B Ethylene oxide catalyst and process for catalytic production of ethylene oxide
08/09/1991CA2035957A1 Process for reducing the undesirable halide content of epoxy resins
07/1991
07/31/1991EP0438844A1 Recovery of purified ditertiary butyl peroxide
07/31/1991EP0438686A2 Triazolylmethyl-cyclopropyl derivatives
07/24/1991EP0437592A1 Process for preparing plastics from raw fats and oils
07/23/1991US5034134 Purification of ethylene glycol-water streams by passing through a membrane
07/23/1991CA1286689C Process for the manufacture of alkene oxide
07/23/1991CA1286688C Process for manufacture of alkene oxide
07/23/1991CA1286687C Process for manufacture of alkene oxide
07/23/1991CA1286650C Process for preparing a silver-on-carrier catalyst
06/1991
06/28/1991WO1991009828A1 Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes
06/28/1991CA2048624A1 Treatment of impurity-containing liquid streams in ethylene oxide/glycol processes with semi-permeable membranes
06/26/1991EP0434546A1 Process for the selective epoxidation of unsaturated (meth)acrylic compounds and new obtained bifunctional (meth)acrylates
06/25/1991US5026881 Process for the production of epoxidized fatty alcohols
06/25/1991CA1285260C Silver catalyst and process for preparing same
06/18/1991CA1284985C Process for the preparation of a silver-containing catalyst
06/12/1991WO1991009010A2 Fluorocarbon compounds and processes for preparation thereof
06/12/1991EP0431841A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
06/12/1991CA2071199A1 Fluorocarbon compounds and processes for preparation thereof
06/09/1991CA2026939A1 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
06/04/1991CA1284696C Preparation of epoxy resins having low undesirable halogen content
05/1991
05/29/1991EP0428845A1 Silver catalyst for the oxidation of ethylene and process for its preparation
05/21/1991US5018086 Fault detection in olefin oxidation reactor
05/21/1991US5017712 Production of hydrocarbon-soluble salts of molybdenum for epoxidation of olefins
05/21/1991CA1284335C Method for purification of ethylene oxide
05/21/1991CA1284334C Method for recovery of ethylene oxide
05/16/1991DE3937247A1 Silver catalyst for oxidn. of ethylene to ethylene oxide - by pptn. of silver on porous, heat-resistant support so concn. of silver at surface is higher than inside particles
05/15/1991EP0427061A2 Process for the preparation of cis-2-(1H-1,2,4-triazol-1-yl-methyl)-2-(halophenyl)-3-(halophenyl)-oxirane
05/15/1991CN1051356A Epoxidation process
05/07/1991US5013855 Reacting a 3-halo-1,2-propanediol sulfate with a phenol in the presence of base
05/07/1991US5013729 Systemic Bactericides
05/07/1991CA1283899C Process for the preparation of a silver-containing catalyst
05/02/1991EP0425020A1 Alkylene oxide catalysts containing high silver content
04/1991
04/30/1991US5011953 Catalytically reacting 2-alkylallyl chlorides with alkyl hydroperoxides; efficiency
04/30/1991US5011809 Preparation of a silver catalyst
04/30/1991US5011807 Catalysts for the production of ethylene oxide
04/25/1991DE3935030A1 Temp. control in direct oxidn. ethylene oxide synthesis - using coolant (pref. water) flowing (e.g. in coils) through catalyst bed
04/24/1991EP0423950A2 Purification of propylene oxide using an aqueous acetone extractive distillation agent
04/21/1991CA2027824A1 Purification of propylene oxide using an aqueous acetone extractive distillation agent
04/17/1991EP0422897A2 Recovery of water-insoluble epoxy alcohols
04/16/1991US5008414 Forming alkene from alkane by dehydrogenation, oxidation of alkene in presence of catalyst, recovering oxide from liquid phase
04/16/1991US5008413 Using silver salt of neo-decanoate/cumene with alkali metal activation; increased selectivity
04/16/1991US5008412 Converting alkane to alkene in multistage dehydrogenator, oxidizing, quenching, recovering alkylene oxide, recycling effluents
04/16/1991US5008350 Glycidyl ethers of phenolic compounds and process for producing the same
04/13/1991WO1991005778A1 Epoxidation of fluorine containing olefins
04/13/1991CA2067239A1 Epoxidation of fluorine containing olefins
04/10/1991EP0421781A1 Epoxidation process
04/10/1991EP0421379A1 Preparation of monoepoxides
04/09/1991US5006552 Cyclopentane derivatives
04/09/1991US5006206 Extractive distillation with mixture of water and tert-butanol
04/06/1991CA2026178A1 Epoxidation process
04/05/1991CA2026866A1 Preparation of monoepoxides
03/1991
03/26/1991US5002669 Separation agent comprising 1,3-glucan
03/21/1991WO1991001980A3 Process for preparing plastics from raw fats and oils
03/19/1991US5000825 Monoepoxide purification
03/13/1991EP0416744A2 Recovery of tertiary butyl hydroperoxide and tertiary butyl alcohol
03/06/1991EP0415790A2 Naphthol-based epoxy resins, intermediates for the same, process for preparing the same, and epoxy resin compositions containing the same
03/06/1991EP0415572A2 Removal of acidic contaminants from tertiary butyl hydroperoxide
03/06/1991CN1049661A Three-liquid-phase expoxidation of perfluoroolefins
03/01/1991CA2024257A1 Removal of acidic contaminants from tertiary butyl hydroperoxide
02/1991
02/27/1991EP0414569A2 Three-liquid-phase epoxidation of perfluoroolefins
02/26/1991CA2023939A1 Three-liquid-phase epoxidation of perfluoroolefins
02/19/1991US4994589 Silver catalyst on alumina-nitrate salt containing support
02/19/1991US4994588 With efficiency-enhancing redox-half reaction member
02/19/1991US4994587 Catalytic system for epoxidation of alkenes employing low sodium catalyst supports
02/19/1991US4994586 Including an alkali or alkaline halide in the epoxidation of an olefin by an organic hydroperoxide using a molybdenum catalyst; catalyst selectivity
02/19/1991US4994480 Protecting plants, industrial materials
02/14/1991DE4024364A1 Verfahren zur herstellung von kunststoffen aus rohen fetten und oelen Process for the manufacture of plastics raw fat and grease the
02/13/1991EP0412359A1 Method for the preparation of epoxysulphonates
02/12/1991US4992567 Alkylene oxide production using vapor phase oxidation of an alkane or olefin in molten salt and recirculation of aldehyde by-products
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