Patents
Patents for C07D 301 - Preparation of oxiranes (10,136)
09/1998
09/15/1998US5807803 Catalyst and process for the epoxidation of olefinic compounds
09/09/1998EP0808215B1 Alkylene oxide catalyst and process
09/09/1998EP0674618B1 Asymmetric process for preparing florfenicol, thiamphenicol, chloramphenicol and oxazoline intermediates
09/03/1998WO1998038184A1 A method for epoxidation of 3-methylenecyclopropanes
09/03/1998WO1998038164A1 Selective epoxidation process for preparing pharmaceutical compounds
09/03/1998WO1998038158A1 Process for preparing pharmaceutical compounds
09/03/1998CA2281108A1 Process for preparing pharmaceutical compounds
09/03/1998CA2281104A1 Selective epoxidation process for preparing pharmaceutical compounds
09/02/1998EP0861839A1 Selective epoxidation process for preparing cryptophycin compounds and intermediates
09/02/1998EP0861838A2 Process and intermediates for preparing cryptophycin compounds
09/02/1998EP0861834A1 Process for preparing optically active trans-3-substituted glycidic acid ester
09/02/1998EP0812305B1 Microporous amorphous mixed metal oxides for form-selective catalysis
09/02/1998EP0811003B1 Process for producing epoxides using aromatic peroxycarboxylic acids
09/01/1998US5801259 Catalytic reaction of ethylene with oxygen in the presence of silver and alkali metal on carrier
09/01/1998CA2089510C Silver catalyst for production of ethylene oxide and method for production of the catalyst
08/1998
08/26/1998EP0860439A1 Process for preparing an optically active phenylglycidyl acid derivative
08/26/1998EP0859806A1 High softening point, low molecular weight epoxy resin
08/25/1998US5798313 Heating to 700 degrees c. in oxygen stream; titania on silica epoxidation catalyst
08/21/1998CA2228196A1 Process for preparing an optically active phenylglycidyl acid derivative
08/18/1998CA2077541C Chiral catalysts and epoxidation reactions catalyzed thereby
08/13/1998WO1998034931A1 Process for the manufacture of epoxy compounds
08/13/1998WO1998034930A1 Process for the manufacture of epoxy compounds
08/13/1998WO1998028286A3 Unsaturated (meth)acrylate esters containing at least one epoxidized cyclic group and process for preparing them
08/13/1998CA2279973A1 Process for the manufacture of epoxy compounds
08/13/1998CA2279972A1 Process for the manufacture of epoxy compounds
08/11/1998US5792878 Process for preparing chiral epoxides using chiral manganese triazanonane complexes as oxidation catalysts
08/06/1998WO1998033786A1 Accelerated catalysis of olefinic epoxidations
08/06/1998WO1998033785A1 Pure ethylene oxide distillation process
08/06/1998DE19703627A1 Verfahren zur Ehtylenoxid-Reindestillation Process for purifying distillation Ehtylenoxid
08/06/1998CA2278574A1 Pure ethylene oxide distillation process
08/04/1998US5789606 Fluoroolefins, amine oxide oxidizers
07/1998
07/30/1998WO1998032530A1 Catalytic converter and method for highly exothermic reactions
07/28/1998CA2096316C Method for the manufacture of the derivatives of propionic acid
07/21/1998US5783167 Non-pillared crystalline material having lattice containing silicon(or germanium) and titanium oxides, also with oxidies of aluminum, gallium or boron and ion exchanging sodium or potassium cations, for oxidation catalysts
07/16/1998WO1998030552A1 Propylene oxide process using mixed precious metal catalyst supported on alkaline earth metal carbonate
07/15/1998CN1187817A Process for catalytic vapour phase oxidation of ethylene
07/14/1998US5780657 Catalyzing the oxidation reaction in presence of catalyst supports
07/14/1998US5780656 A supported silver catalyst free of rhenium or transition metals; promoters of an alkali metal, sulfur and fluorine components
07/14/1998US5780655 Epoxidation process using a phosphate-stabilized peroxotungstate compound as catalyst
07/14/1998US5780654 Catalytic epoxidation by hydroperoxides with high yield and selectivity using molecular sieve oxidation catalyst
07/14/1998CA2130686C Process for the production of hydrocarbon partial oxidation products
07/09/1998WO1998029401A1 Aminoepoxides from aminoaldehydes and in-situ formed halomethyl organometallic reagent
07/08/1998EP0737099B1 Epoxidation catalyst and process
07/07/1998US5776848 Molybdenum epoxidation catalyst recovery
07/02/1998WO1998028286A2 Unsaturated (meth)acrylate esters containing at least one epoxidized cyclic group and process for preparing them
07/02/1998WO1998028072A1 Heterogeneous catalyst regeneration
07/01/1998EP0850936A1 Method of manufacturing epoxide and catalyst for use therein
07/01/1998CN1038934C Production of alkylene oxide
06/1998
06/30/1998US5772854 Acetone buffer
06/30/1998CA2162253C Glycidyl esters for use in electronics adhesives and process for their preparation
06/24/1998EP0848711A1 Method for the selective hydrogenation of vinyl oxirane to butylene oxide
06/24/1998EP0783371B1 Heterogeneous catalysts
06/23/1998US5770747 Preparation of 1,2-butylene oxide
06/23/1998US5770746 Epoxidation process using supported silver catalysts pretreated with organic chloride
06/18/1998WO1998025948A2 Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
06/16/1998US5767150 Cycloaliphatic epoxide compounds
06/16/1998CA2042535C Process for the preparation of intermediates useful for the synthesis of benzothiazepines
06/09/1998US5763631 Irreversible HIV protease inhibitors, intermediates, compositions and processes for the preparation thereof
06/09/1998US5763630 Propylene oxide process using alkaline earth metal compound-supported silver catalysts
06/04/1998WO1998023568A1 Cyclopentylene compounds and intermediates therefor, epoxy resin composition, molding material, and resin-sealed electronic device
06/02/1998US5760254 Production of oxirane compounds
06/02/1998US5760253 Catalytic converter and method for highly exothermic reactions
06/02/1998US5759945 Preparation of titanium-containing catalysts using titanosiloxane polymers
05/1998
05/27/1998EP0843664A1 Dinaphtazepinium salts useful as enantioselective epoxidation catalysts
05/26/1998US5756779 Epoxidation of butadiene and extraction of product
05/26/1998US5756778 Reacting olefin with hydrogen peroxide
05/20/1998DE19647640A1 Mono-bridged porphyrin derivatives
05/19/1998US5753576 Regeneration of a titanium-containing molecular sieve
05/14/1998WO1998019983A1 Functionalization of hydrocarbyl-containing compounds
05/14/1998CA2271025A1 Functionalization of hydrocarbyl-containing compounds
05/12/1998US5750741 Preparation of oxirane compounds with titanasilsesquioxane catalysts
05/12/1998US5750740 Process for preparing epoxides from carbonyl compounds using sulphonium or sulphoxonium ylides and intermediates useful therein
05/12/1998US5750739 Neutralization; esterification; azeotropic distillation; recovering excess epichlorohydrin; catalyst deactivation
05/07/1998WO1998018556A1 Method for regenerating titanium silicalite catalysts
05/07/1998WO1998018555A1 Method for regenerating catalysts
05/07/1998WO1998018552A1 Promoted silver catalyst
05/07/1998WO1998018551A1 Niobium or tantalum promoted silver catalyst
05/07/1998WO1998018547A1 Process and reactor for epoxydation with energy recovery
05/07/1998CA2268872A1 Method for regenerating catalysts
05/07/1998CA2268818A1 Method for regenerating titanium silicalite catalysts
05/07/1998CA2259439A1 Niobium or tantalum promoted silver catalyst
05/06/1998CN1180700A Manufacture of epoxide
04/1998
04/30/1998WO1998017640A1 Hydrogen peroxide adducts
04/29/1998EP0838431A1 Process for the preparation of titanium-containing molecular sieves
04/28/1998US5744655 Catalytic hydrogenation of 2,3-dihalopropanal
04/28/1998US5744621 Cis-epoxide compounds
04/28/1998US5744620 Reacting cyclic olefin with oxidizing agent selected from air and oxygen in presence of metal salen complex catalyst
04/28/1998US5744619 Titanovanadosilicalites as epoxidation catalysts for olefins
04/25/1998CA2219248A1 Process for the preparation of titanium-containing molecular sieves
04/22/1998EP0837060A1 Preparation of an epoxide
04/21/1998US5741749 Regeneration of a titanium-containing molecular sieve
04/16/1998WO1998015544A1 Catalytic asymmetric epoxidation
04/16/1998CA2268255A1 Catalytic asymmetric epoxidation
04/14/1998US5739076 Mixing hydrolyzable titanium compound with compounds of silicon, aluminum and an organic nitrogen base, then crystallization yields titanium-containing zeolite beta
04/14/1998US5739075 Process for preparing ethylene oxide catalysts
04/08/1998EP0717659B1 Epoxidation catalyst and process
04/07/1998US5736483 Rhenium free catalyst for ethylene oxidation comprised of silver on solid support, containing promoter consisting of alkali metal, niobium or tantalum, sulfur, optionally fluorine
04/07/1998US5736479 Oxidation catalysts
04/07/1998US5736112 Oxidation under pressure
03/1998
03/31/1998US5734068 Silver catalyst for the oxidation of ethylene to ethylene oxide and process for preparing ethylene oxide
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