| Patents for C07D 301 - Preparation of oxiranes (10,136) |
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| 05/24/2000 | CN1253941A Preparation method of substituted dibenzoyl methane compound |
| 05/23/2000 | US6066751 Intermediate can be coupled with oxygen, carbon, sulfur, and nitrogen nucleophiles, in the presence of a base or a lewis acid, in a ring-opening process to provide 13,14-dihydro prostaglandin a, e, and f derivatives |
| 05/23/2000 | US6066750 High efficiency epoxidation process |
| 05/17/2000 | EP1000049A1 Process for the preparation of chiral 3,4-epoxybutyric acid and the salt thereof |
| 05/17/2000 | CN1253564A Processes for preparation of 9,11-epoxy steroids and intermediates useful therein |
| 05/16/2000 | US6063943 Polyimide-supported transition metal complex catalyst and process for preparing epoxy compounds using the same |
| 05/16/2000 | US6063942 Contacting a soluble ion exchangeable noble metal complex with solid titanium or vanadium silicate slurried in liquid solvent and without drying or calcining the resulting catalyst contacting it with hydrogen, oxygen and olefin |
| 05/16/2000 | US6063941 Synthesis of epoxides by reaction between an olefin and hydrogen peroxide in presence of epoxidation catalyst and the catalyst being regenerated by treating titanium silicate with liquid containing ozone, hydrogen peroxide, organic peroxide |
| 05/16/2000 | US6063920 Simple, durable catalyst for asymmetric epoxidation of prochiral olefins |
| 05/10/2000 | EP0998515A1 Purification of propylene oxide |
| 05/10/2000 | CN1252788A Process for preparing pharmaceutical compounds |
| 05/09/2000 | US6060610 Process for the preparation of olefinic epoxides |
| 05/04/2000 | WO2000024726A1 Method of epoxidizing olefins |
| 05/04/2000 | DE19849527A1 Verfahren zur Epoxidierung von Olefinen Process for the epoxidation of olefins |
| 05/03/2000 | EP0996501A1 Method for regenerating a zeolitic catalyst |
| 05/03/2000 | CN1252066A Ethylene oxide catalyst |
| 05/03/2000 | CN1252014A Catalyst compositions derived from titanium-containing molecular sieves |
| 05/03/2000 | CN1252013A Tellurium, titanium and silicon-containing molecular sieves |
| 04/26/2000 | EP0995715A1 Hydrocarbon partial oxidation process |
| 04/26/2000 | EP0994841A1 Method for preparing 3,3-dimethylbutyraldehyde |
| 04/26/2000 | EP0994750A1 Catalysts for olefin selective epoxidation with atmospheric oxygen |
| 04/26/2000 | EP0934114A4 Promoted silver catalyst |
| 04/26/2000 | CN1251583A Process for purifying ethylene oxide through distillation |
| 04/25/2000 | US6054407 Reacting a olefin with hydrogen peroxide |
| 04/25/2000 | US6054112 Adding an aqueous template solution to a mixture of tetraalkyl orthosilicate and tetraalkyl orthotitanate, crystallizing the reaction mixture in an autoclave |
| 04/20/2000 | WO2000021945A1 Method for oxidizing an organic compound having at least one c-c double bond |
| 04/20/2000 | WO2000021944A2 Selective oxidation process and catalyst therefor |
| 04/20/2000 | DE19847778A1 Verfahren zur Herstellung von substituierten Dibenzoylmethanverbindungen A process for the preparation of substituted dibenzoylmethane |
| 04/20/2000 | DE19847629A1 Oxidation of olefinic compound, e.g. of propylene to propylene oxide, over heterogeneous catalyst uses medium containing carbon monoxide besides oxygen |
| 04/20/2000 | CA2346888A1 Oxidation of an organic compound containing at least one c-c double bond |
| 04/19/2000 | EP0994092A1 Process for the preparation of substituted dibenzoylmethanderivatives |
| 04/19/2000 | EP0993453A1 Process for epoxidation of propylene |
| 04/19/2000 | CN1250775A Method for producing epoxy propane |
| 04/18/2000 | US6051742 Hypochlorinating unsaturated alpha-olefins to produce chlorohydrins which comprises forming microemulsion of water and unsaturated alpha-olefin and then adding oxidant to microemulsion under to form chlorohydrins |
| 04/13/2000 | WO2000020404A1 Propylene oxide production |
| 04/12/2000 | EP0991634A1 Propylene epoxidation using chloride-containing silver catalysts |
| 04/12/2000 | EP0991469A1 Shaped body and method for the production thereof |
| 04/11/2000 | US6048991 Chemical intermediates, perfumes, polymers and plant saftening agents |
| 04/06/2000 | WO1999062894A3 Process for epoxidation of aryl allyl ethers |
| 04/05/2000 | EP0989976A1 Epoxidation process using supported silver catalysts pretreated with organic chloride |
| 04/04/2000 | US6046354 Chemical intermediates, e.g. 2-aryl-1,3-diacyloxy-2-propanol, for drugs and fungicides,e.g. (r)-2-(2,4-difluorophenyl)-3-(1h-1,2,4-triazole-1-yl)-propane-1,2-diol, |
| 03/30/2000 | WO2000017180A1 Method for the continuous production of an aqueous ethylene oxide solution |
| 03/30/2000 | WO2000017179A1 Process for the preparation of glycidylesters of branched carboxylic acids |
| 03/30/2000 | WO2000017178A1 Improved epoxidation process |
| 03/30/2000 | WO2000017177A1 Method for producing ethylene oxide by directly oxidizing ethylene with air or oxygen |
| 03/30/2000 | DE19843721A1 Verfahren zur kontinuierlichen Herstellung einer wässrigen Ethylenoxid-Lösung A process for preparing an aqueous continuous ethylene oxide solution |
| 03/30/2000 | DE19843654A1 Verfahren zur Herstellung von Ethylenoxid durch Direktoxidation von Ethylen mit Luft oder Sauerstoff A process for preparing ethylene oxide by direct oxidation of ethylene with air or oxygen |
| 03/29/2000 | EP0988297A2 Process for preparing optically active phenyloxirane compounds |
| 03/29/2000 | EP0680957B1 PROCESS FOR PRODUCING cis-EPOXYSUCCINIC ACID SALT |
| 03/29/2000 | CN1248579A Process for preparing propylene oxide |
| 03/29/2000 | CN1050778C Catalyst for producing ethylene oxides and process for preparing said catalyst |
| 03/28/2000 | US6043400 Chlorohydrin process |
| 03/28/2000 | US6042807 Tellurium-containing molecular sieves |
| 03/23/2000 | WO2000015335A1 Epoxidation catalyst carrier, preparation and use thereof |
| 03/23/2000 | WO2000015334A1 Process for preparing catalysts with improved catalytic properties |
| 03/23/2000 | WO2000015333A1 Process for removing ionizable species from catalyst surface to improve catalytic properties |
| 03/23/2000 | WO2000015332A1 Reactivation of cs-promoted, ag catalysts for the selective epoxidation of butadiene to 3,4-epoxy-1-butene |
| 03/22/2000 | EP0987259A1 Process for epoxydation of olefinic compounds with hydrogen peroxide |
| 03/22/2000 | EP0986526A1 Method for oxidizing an organic compound containing at least on c-c double bond |
| 03/21/2000 | US6040467 High purity oxygen for ethylene oxide production |
| 03/21/2000 | US6040464 Reacting a protected 1,2-dihydroxybutryamide in a hoffman rearrangement reaction mixture comprising a hypohalite, a base and solvent; chiral chemical intermediates: drugs, beta-blockers, phospholipids, liquid crystals |
| 03/15/2000 | EP0984950A1 A process for the epoxidation of alkenes |
| 03/15/2000 | EP0984949A2 Epoxidation process using improved heterogeneous catalyst composition |
| 03/15/2000 | CN1247535A Aminoepoxides from aminoaldehydes and in-situ formed halomethyl organometallic reagent |
| 03/15/2000 | CN1247101A Silicon oxide catalyst containing titanium |
| 03/14/2000 | US6037516 Method for removal of oxygenate impurities from organic chemical streams |
| 03/14/2000 | US6037484 Contacting olefin with hydrogen peroxide in reaction zone in the presence of titanium-containing zeolite catalyst and an amount of an additive selected from tertiary amines and oxides thereof effective to improve selectivity to epoxide |
| 03/09/2000 | WO2000012432A1 Method for producing a titanium silicate with rut structure |
| 03/09/2000 | CA2342228A1 Method for producing a titanium silicate with rut structure |
| 03/08/2000 | EP0983254A1 Glycidylester and thermosetting resin composition comprising the glycidylester |
| 03/08/2000 | EP0983253A1 Propylene oxide process using alkaline earth metal compound-supported silver catalysts containing tungsten and potassium promoters |
| 03/08/2000 | EP0983252A1 Method and reactor for producing ethylene oxide |
| 03/08/2000 | EP0983236A2 Process for the preparation of an oxirane, aziridine or cyclopropane |
| 03/08/2000 | CN1246854A Process for manufacture of epoxy compounds |
| 03/08/2000 | CN1246853A Process for preparation of epoxy compounds |
| 03/07/2000 | US6034030 Vinyl acetate catalyst preparation method |
| 03/07/2000 | US6034028 Catalysts for partial oxidation of hydrocarbons and method of partial oxidation of hydrocarbons |
| 03/07/2000 | US6033486 Method for cleaning a surface by using a cationic sponge material |
| 03/02/2000 | WO2000010987A1 Process for the production of low color 2,3-epoxypropyl trialkylammonium halide |
| 03/02/2000 | WO2000010985A1 Enantioselective chiral sulphide catalysts and a method for the manufacture thereof |
| 03/02/2000 | DE19845975A1 Epoxide production from olefin, oxygen and hydrogen uses zeolitic oxidation catalyst produced by impregnating titanium or vanadium silicate with alkali(ne earth) salt and then platinum metal(s) |
| 03/02/2000 | DE19839792A1 Verfahren zur Herstellung eines Titansilikates mit RUT-Struktur A process for preparing a titanium silicate having the RUT structure |
| 03/02/2000 | CA2339956A1 Process for the production of low color 2,3-epoxypropyl trialkylammonium halide |
| 03/01/2000 | CN1246075A Heterogeneous catalyst regeneration |
| 02/29/2000 | US6031116 Process for the direct oxidation of olefins to olefin oxides |
| 02/24/2000 | WO2000009463A1 Stereoselective ring opening reactions |
| 02/24/2000 | CA2339618A1 Stereoselective ring opening reactions |
| 02/23/2000 | EP0980869A1 Aluminum compounds and use thereof |
| 02/23/2000 | EP0980346A1 Co 2? removal from fluorocarbons by semipermeable membrane |
| 02/17/2000 | WO2000007965A1 Method for reacting an organic compound with a hydroperoxide |
| 02/17/2000 | WO2000007964A1 Method for oxidizing hydrocarbons |
| 02/17/2000 | DE19835907A1 Verfahren zur Umsetzung einer organischen Verbindung mit einem Hydroperoxid A process for reacting an organic compound with a hydroperoxide |
| 02/17/2000 | DE19835481A1 Verfahren zur Oxidation von Kohlenwasserstoffen A process for the oxidation of hydrocarbons |
| 02/17/2000 | CA2339769A1 Method for oxidizing hydrocarbons |
| 02/17/2000 | CA2339710A1 Process for the reaction of an organic compound with a hydroperoxide |
| 02/16/2000 | CN1244816A Catalytic convertes and method for highly exothermic reactions |
| 02/15/2000 | US6024840 Removal of acetaldehyde by subjecting the crude epoxidation reaction product to fractional distillation |
| 02/15/2000 | US6024839 Inhibiting fouling of equipment for the purification of epichlorohydrin by treating the equipment with an antifoulant comprising hydroquinone |
| 02/09/2000 | EP0978315A1 Crystalline titanostannosilicalite molecular sieve and process for epoxidation of olefins |
| 02/03/2000 | WO2000005227A1 Process for manufacturing an optically active (s)-3,4-epoxybutyric acid salt |