Patents
Patents for C07D 301 - Preparation of oxiranes (10,136)
09/1999
09/30/1999WO1999048882A1 Method for making an oxirane
09/29/1999EP0944644A2 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
09/28/1999US5958824 Ethylene oxide catalyst
09/28/1999US5958192 Purification of propylene oxide using ethylene glycol monomethyl ether as an extractive distillation agent
09/22/1999EP0943611A1 Improved propylene oxide and styrene monomer co-production procedure
09/22/1999EP0772491B1 Oxidation catalyst and oxidation process using said oxidation catalyst
09/21/1999US5955534 Process for the preparation of polymer polyol dispersions
09/16/1999WO1999046261A1 Nitroxyl derivatives with glycidyl or alkylcarbonyl groups as initiators for radical polymerisation
09/16/1999WO1999046255A1 Epoxidation process using supported gold catalyst
09/14/1999US5952523 Subjecting mixture of ethylene, acetic acid, and argon containing oxygen to catalytic oxidation producing reaction effluent stream; purifying, adjusting concentration of argon to maximize selective production and minimizing ethylene loss
09/10/1999WO1999025666A3 Process for the selective oxidation of organic compounds
09/08/1999EP0940393A1 Process for the preparation of olefinic epoxides
09/08/1999EP0636120B1 Epoxidation process of carbonyl compounds using sulphonium or sulphoxonium ylides and intermediates
09/07/1999US5948921 Method for the selective hydrogenation of vinyl oxirane to butylene oxide
09/02/1999WO1999043431A1 Catalyst for partially oxidizing unsaturated hydrocarbon
09/02/1999WO1999026936A3 Process for the selective oxidation of organic compounds
09/01/1999EP0938370A1 Catalytic converter system and process
08/1999
08/31/1999US5945551 Ethylene oxide catalyst
08/31/1999US5945550 Gas phase process for the epoxidation of non-allylic olefins
08/31/1999CA2174490C Process for the production of petrochemicals
08/26/1999WO1999042212A1 Vinyl acetate catalyst preparation method
08/25/1999EP0937020A1 Functionalization of hydrocarbyl-containing compounds
08/24/1999US5942633 Process for the selective alkylation of betaxolol intermediates
08/24/1999CA2116335C Chiral catalysts, catalytic oxidation and disproportionation reactions, and methods of producing epoxychromans and taxol
08/18/1999EP0936219A1 Process and Reactor for the preparation of an Epoxide
08/18/1999CN1226241A Process for direct oxidation of olefins to olefin oxides
08/18/1999CN1226187A Promoted silver catalyst
08/17/1999US5939569 Catalytic epoxidation of olefins with hydrogen and oxygen and gold on zirconium with zirconia supports
08/17/1999US5939568 Accelerated catalysis of olefinic epoxidations
08/17/1999US5939509 Epoxy resin, resin composition, and resin-encapsulated semiconductor device
08/17/1999US5939473 Epoxy resin, resin composition, and resin-encapsulated semiconductor device
08/12/1999WO1999040077A2 Method for the direct catalytic oxidation of unsaturated hydrocarbons in gaseous phase
08/12/1999WO1999039827A1 Method for regenerating supported catalysts covered with gold particles and used for oxidising unsaturated hydrocarbons
08/12/1999WO1999039826A1 Method for improving the operational life of supported catalysts covered with gold particles and used for oxidising unsaturated hydrocarbons
08/12/1999DE19804712A1 Verfahren zur Standzeitverlängerung von mit Goldteilen belegten Trägerkatalysatoren für die Oxidation ungesättigter Kohlenwasserstoffe Process for the life extension of covered with pieces of gold supported catalysts for the oxidation of unsaturated hydrocarbons
08/12/1999DE19804711A1 Verfahren zur Regenerierung von mit Goldteilchen belegten Trägerkatalysatoren für die Oxidation ungesättigter Kohlenwasserstoffe Process for the regeneration of supported catalysts coated with gold particles for the oxidation of unsaturated hydrocarbons
08/12/1999DE19804709A1 Verfahren zur katalytischen Direktoxidation ungesättigter Kohlenwasserstoffe in der Gasphase A process for the catalytic direct oxidation of unsaturated hydrocarbons in the gas phase
08/12/1999CA2319613A1 Method for the direct catalytic oxidation of unsaturated hydrocarbons in gaseous phase
08/12/1999CA2319612A1 Method for regenerating supported catalysts covered with gold particles and used for oxidising unsaturated hydrocarbons
08/11/1999EP0934116A1 Method for regenerating titanium silicalite catalysts
08/11/1999EP0934114A1 Promoted silver catalyst
08/11/1999CN1044571C Catalyst for continuous hydrogenation to remove aldehyde for epoxy compound
08/10/1999US5935895 Forming a silica-titania mixed oxide aerogel catalyst to catalyze epoxidation of unsaturated compounds with organic hydroperoxides by acidolysis of the alkoxide chelate complex; stirring the obtained sol and drying; selectivity
08/04/1999EP0933130A2 Supported silver-containing catalysts and catalyst precursors, process for their preparation and their use it the alkylene oxide production
08/03/1999US5932751 Epoxidation catalyst and process
08/03/1999US5932750 Catalysts for partial oxidation of hydrocarbons and method of partial oxidation of hydrocarbons
07/1999
07/31/1999CA2260433A1 Silver-containing supported catalysts and catalyst intermediates, processes for their preparation and their use
07/28/1999EP0931047A1 Intermediates for the synthesis of vitamin d and steroid derivatives and processes for preparation thereof
07/28/1999CN1224010A Epichlorohydrin-based product and process for manufacturing this product
07/28/1999CN1223901A Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide
07/28/1999CN1223900A Catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide
07/27/1999US5929261 Process for the selective hydration of vinyloxirane to 1,2-butylene oxide of heterogeneous catalysts
07/27/1999US5929260 Hydrogenation using magnetic catalysts
07/27/1999US5929259 Preparation of ethylene oxide and catalyst
07/27/1999US5929258 Continuous production of an epoxide from an alkane; using a gold catalyst to oxidize with oxygen a gaseous mixture of alkene, hydrogen and alkane obtained by dehydrogenating the alkane
07/21/1999EP0930308A1 Process for the preparation of olefinic epoxides
07/21/1999EP0930307A1 Process for the preparation of glycidyl ethers
07/21/1999EP0929556A1 Process and novel intermediates
07/21/1999EP0929539A1 Propylene oxide process using mixed precious metal catalyst supported on alkaline earth metal carbonate
07/21/1999CN1223644A Process for the direct oxidation of olefins to olefin oxides
07/07/1999EP0927712A1 Method for producing vinyl acetate
07/07/1999EP0927575A1 Silver catalyst, method for production thereof, and method for production of ethylene oxide
07/07/1999CN1222148A Process for producing epoxides from olefines and hydrogen peroxide or hydroperoxides using zeolithic oxidation catalyst
07/07/1999CN1222136A Process for making 2,3-dihalopropanols
07/07/1999CN1222096A Oxidation catalyst and process for prodn. of epoxides from olefines, hydrogen and oxygen using said oxidation catalyst
07/06/1999US5919956 Process for the C1 -homologization of protected phorenol
07/06/1999US5919430 Hydrothermal reaction of a silicon and metal source in the presence of a template.
07/01/1999WO1999032472A1 Epoxidation process using serially connected cascade of fixed bed reactors
07/01/1999WO1999032471A1 Epoxidation process using supported silver catalysts treated with carbon dioxide
07/01/1999WO1999032470A1 Process for the oxidation of olefins to olefin oxides
07/01/1999WO1999032469A1 Process for the oxidation of olefins to olefin oxides
07/01/1999DE19854615A1 Production of epoxide from olefin, e.g. propene
07/01/1999CA2310429A1 Epoxidation process using supported silver catalysts treated with carbon dioxide
06/1999
06/30/1999EP0925290A1 Process for the selective alkylation of epoxy-alcohols
06/30/1999CN1221411A Molybdenum epoxidation catalyst recovery
06/30/1999CA2257557A1 Method for producing vinyl acetate
06/29/1999US5916975 Reacting a prochiral olefin with sodium hypochlorite a source of oxygen in presence of salen catalyst and isoquinoline n-oxide compound as electron donar ligand; epoxidation
06/29/1999US5916835 Heterogeneous catalyst regeneration
06/29/1999US5916430 Preparation of epoxides
06/25/1999CA2257039A1 Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide
06/23/1999EP0923986A1 Silver catalyst, method for its production, and method for production of ethylene oxide
06/17/1999WO1999029679A1 Method for producing propene oxide
06/17/1999WO1999029426A1 Moulded body comprising an inert support and at least one porous oxidic material
06/17/1999DE19754924A1 Formkörper umfassend einen inerten Träger und mindestens ein poröses oxidisches Material Shaped body comprising an inert carrier and at least one porous oxidic material
06/17/1999CA2314233A1 Shaped body comprising an inert support and at least one porous oxidic material
06/17/1999CA2313318A1 Method for producing propene oxide
06/16/1999CN1219892A Niobium or tantalum promoted silver catalyst
06/16/1999CN1219536A Method for producing opoxy propane
06/16/1999CN1043609C Process for preparing pharmaceutical composition containing benzothiazole compounds
06/16/1999CA2256182A1 Silver catalyst for production of ethylene oxide, method for production thereof, and method for production of ethylene oxide
06/15/1999US5912367 High efficiency epoxidation process
06/10/1999WO1999028035A1 Catalyst based on zeolite, use and epoxidation method in the presence of said catalyst
06/10/1999WO1999028030A1 Epoxidation catalyst, its use and epoxidation method in the presence of said catalyst
06/10/1999WO1999028029A1 Epoxidation catalyst, its use and epoxidation method in the presence of said catalyst
06/10/1999DE19754303A1 Verfahren zur Herstellung von Propenoxid A process for preparing propene oxide
06/09/1999EP0921141A1 Process for producing compound having epoxy group
06/03/1999WO1999026937A1 Method for removal of oxygenate impuritites from organic chemical streams
06/03/1999WO1999026936A2 Process for the selective oxidation of organic compounds
06/03/1999WO1999026911A1 Condensation method
06/03/1999CA2311135A1 Method for removal of oxygenate impuritites from organic chemical streams
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