Patents
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Patents for C07D 301 - Preparation of oxiranes (10,136)
05/1990
05/01/1990US4921983 Method for the continuous epoxidation of olefins
05/01/1990US4921681 Ethylene oxide reactor
04/1990
04/25/1990CN1041591A Ethylene oxide process
04/25/1990CN1007702B Silver catalyst for production of ethylene oxide and method for mfr. thereof
04/11/1990EP0362714A2 Liquid-crystalline compounds and liquid-crystalline polymers
04/10/1990US4916243 Using silver on alumina catalyst containing cesium and additional alkali metal
04/04/1990EP0361560A1 Cyclopentane derivatives
03/1990
03/28/1990CN1040794A Process for starting-up ethylene oxide reactor
03/27/1990US4911746 1-hydroxyethyl-azole compounds and agricultural compositions
03/14/1990CN1007152B Process for prepn. of alkylene oxides from alkylene carbonates
03/14/1990CN1007130B Prepn. of ethyene oxide and catalyst therefor
03/13/1990US4908343 Catalyst composition for oxidation of ethylene to ethylene oxide
03/13/1990CA1266676A1 Synthesis of molybdenum/alkylene glycol complexes useful as epoxidation catalysts
03/07/1990EP0357293A1 Catalysts for the production of ethylene oxide and their preparation processes
03/07/1990EP0357292A1 Production of ethylene oxide and catalysts therefor
03/07/1990CN1040157A Improvements in or relating to production of ethylene oxide
02/1990
02/28/1990EP0356070A1 Synthesis of 4-acetoxystyrene oxide and related compounds
02/28/1990EP0144387B1 Continuous, catalytic epoxidation of olefinic double bonds with hydrogen peroxide and formic acid
02/27/1990US4904807 Selective extraction of argon from ethylene oxide recycle stream
02/27/1990US4904298 1-Hydroxyethyl-azole compounds and agricultural compositions
02/21/1990CN1006851B Method for preparing silver catalyst
02/20/1990US4902840 Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes
02/20/1990US4902810 Process for the production of hexafluoropropylene oxide
02/20/1990CA1266054A1 Epoxidation process using low olefin to hydroperoxide ratios
02/20/1990CA1266053A1 Epoxidation process using molybdenum catalysts
02/20/1990CA1266052A1 Eposidation process providing low olefin oligomer by- product formation
02/13/1990US4900850 Recovery of purified ditertiary butyl peroxide
02/13/1990US4900848 Low-viscosity epoxy resin, and fiber-reinforced composite material from triglycidyl m-aminophenols
02/13/1990US4900847 Catalytic asymmetric epoxidation
02/13/1990CA1265810A1 Process for the monoepoxidation of compounds containing two double bonds
02/07/1990CN1039418A Process for preparation of oxirane compound
02/06/1990US4898954 Process for the preparation of oxiranes
01/1990
01/31/1990EP0352850A1 A process for producing ethylene oxide
01/31/1990EP0352849A1 Process for starting-up an ethylene oxide reactor
01/30/1990US4897498 Selective monoepoxidation of olefins
01/30/1990US4897376 Process for preparing a catalyst for oxidation of ethylene to ethylene oxide
01/30/1990US4897198 Separation agent comprising 1,3-glucan
01/30/1990US4897107 Plant growth regulators; fungicides
01/16/1990US4894467 Vapor phase oxidation or styrene to styrene oxide
01/09/1990US4892941 Porphyrins
01/03/1990EP0349229A1 Catalyst for oxidation of ethylene to ethylene oxide
01/03/1990CN1038411A Silver catalyst for production of epoxy ethane
01/02/1990US4891437 Continuous processing, high yield
12/1989
12/13/1989EP0345856A1 A process for the preparation of an oxirane compound
12/13/1989EP0345393A1 Ceramic membrane and use thereof for hydrocarbon conversion
12/12/1989US4886892 Process for the preparation of oxiranes
12/05/1989US4885377 Olefin and alkane oxidations, ruthenium carboxylate catalyst therefor and method of preparation thereof
12/05/1989US4885374 Alkylene oxides production from alkanes or alkylaromatics using molten nitrate salt catalyst
11/1989
11/29/1989EP0343959A1 Method for preparing epoxy compound
11/28/1989US4883889 Alkylene oxides production using molten nitrate salt catalyst and a co-catalyst
11/28/1989CA1263364A1 Production of alkylene oxides and catalysts therefor
11/23/1989EP0342615A1 Process for the preparation of epoxides
11/21/1989US4882444 Heat exchange, oxidation of ethylene
11/21/1989US4882443 Alkylene oxides production from C7 to C22 olefins using molten nitrate salt catalyst
11/21/1989US4882442 By reacting olefins with a mixture of percarboxylic acids, carboxylic acids and a strong acid neutralized with base
11/07/1989US4879396 Selective extraction of CO2 and argon from ethylene oxide recycle system
11/02/1989WO1989010350A1 Preparation of an epoxide
11/02/1989EP0339748A2 Process for the preparation of ethylene oxide
10/1989
10/31/1989CA1262553A1 Cis-1-aryl-2-(fluoromethyl) oxiranes
10/25/1989EP0338344A2 Substituted triazolyl methyl carbinoles
10/24/1989US4876372 Method for preparing epichlorohydrins
10/24/1989US4876371 Process of producing glycidyl ethers of monohydric or polyhydric phenols
10/24/1989US4875909 Dehydration, absorption, distilling, circulation, purification
10/18/1989EP0166695B1 Process for the preparation of glycidyl thioethers
10/17/1989US4874879 Process for starting-up an ethylene oxide reactor
10/17/1989US4874739 Silver-containing catalyst, process for the preparation of the catalyst and the catalyst prepared by the process
10/11/1989EP0336592A1 Process for the production of nitriles and oxides
10/11/1989EP0336077A1 Process and installation for obtaining very pure epichlorohydrin
10/04/1989CN1036012A Selective epoxidation of olefins
10/03/1989US4871867 Dehydrohalogenation; reacting carbocyclic diamine with epihalohydrin
10/03/1989US4871390 1-hydroxyethyl-azole compounds and agricultural compositions
09/1989
09/26/1989US4870201 Efficiency, economy
09/26/1989CA1261862A1 Method for the preparation of alkyl esters of 3,4- epoxybutyric acid
09/26/1989CA1261861A1 Process for producing glycidyl thioethers
09/26/1989CA1260951A1 Ethylene oxide reactor
09/26/1989CA1260919A1 Silver catalyst for production of ethylene oxide and method for manufacture thereof
09/26/1989CA1260487A1 Process for the preparation of phenylpropanones
09/26/1989CA1260426A1 Process for the separation of ethylene glycol in concentrated form, in an ethylene oxide manufacturing process
09/05/1989US4864042 Process for preparing silver catalysts
09/05/1989US4864041 Transition metal-substituted polyoxometalates as catalysts for homogenous liquid-phase organic oxidation processes
08/1989
08/22/1989US4859786 Olefin oxidation catalyst of unsupported silver containing low levels of magnesium
08/22/1989US4859785 Catalyst on the basis of silicon and titanium having high mechanical strength
08/16/1989EP0328280A1 Process for the production of nitriles and oxides
08/16/1989CN1034678A High-efficiency silver catalyst for oxidizing ethylene into epoxy ethane
08/10/1989WO1989007101A1 Selective epoxidation of olefins
08/09/1989EP0327356A1 High efficiency silver catalysts for the production of ethylene oxide via ethylene oxidation
08/09/1989CN1034540A Method for separating aldehyde impurity from epoxy ethane
08/08/1989US4855465 Process for the treatment of aliphatic epoxides
08/02/1989EP0326392A1 Selective epoxidation of olefins
08/02/1989EP0228356B1 Hydroxy-4-indole derivatives, process for their preparation and their use
07/1989
07/25/1989US4851555 Quaternary arsonium halide catalyst
07/19/1989EP0200739B1 Preparation of (threo)-1-aryl-2-acylamido-3-fluoro-1-propanols
07/18/1989US4849538 Ammoxidation
07/18/1989US4849537 Process for the production of nitriles
07/18/1989US4849532 From cyclohexenyl cyclohexenecarboxylate, perpropionic acid, benzene
07/12/1989EP0323663A2 Exothermic reaction process in a fixed-bed catalytic reactor
07/12/1989CN1033752A Process for conducting an exothermic reaction
07/11/1989US4847393 Catalytic epoxidation of ethylene
07/04/1989US4845253 Silver-based catalyst for vapor phase oxidation of olefins to epoxides
07/04/1989US4845252 Complex tungsten catalyst
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