| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 07/06/1983 | EP0083010A1 Diethers of m- or p-hydroxyphenols and process for preparing diethers or monoethers of m- or p-hydroxyphenols |
| 07/05/1983 | US4391994 Process for the production of ethers |
| 07/05/1983 | US4391827 3-(2-Hydroxy-4-(substituted)phenyl)-cycloalkanone and cycloalkanol analgesic agents and intermediates therefor |
| 06/29/1983 | EP0082812A1 Phenols and their use as stabilizers |
| 06/29/1983 | EP0082782A1 Process for the preparation of ethylenic halogeno-acetals |
| 06/29/1983 | EP0082569A1 Process for preparing alkanol alkoxylates |
| 06/29/1983 | EP0082554A1 Process for the preparation of alkanol alkoxylates |
| 06/29/1983 | EP0082447A1 Process for the separation of methanol from the reaction products formed by the etherification of C4-C7 isoolefins with methanol |
| 06/29/1983 | EP0082316A1 Process for the production of methyl tert-butyl ether (MTBE) and of hydrocarbon raffinates extensively delivered from i-butene and methanol and apparatus thereto |
| 06/28/1983 | US4390734 Process for producing propylene glycol monoalkyl ethers from acetaldehyde, an alkanol and syngas using a new catalyst system |
| 06/28/1983 | US4390733 Process for preparing the mono-methallyl ether of pyrocatechin |
| 06/28/1983 | US4390732 From o-methoxyphenol and glycidol |
| 06/28/1983 | US4390731 Polymeric phenolic benzylic ether compositions |
| 06/28/1983 | US4390721 Intermediate for prostaglandin f |
| 06/28/1983 | CA1148978A1 Process for the preparation of unsaturated ethers of phenols |
| 06/22/1983 | EP0082005A2 Naphthoxyalkylamines and related compounds, their preparation and antiinflammatory compositions containing them |
| 06/22/1983 | EP0081993A2 Optically active alpha-substituted aryl ketones, their preparation and their use in preparing alpha-arylalkanoic acids |
| 06/22/1983 | EP0081856A1 Process for the preparation of chloroacetaldehyde-dimethyl acetal |
| 06/22/1983 | EP0081699A1 Alicyclic compounds, their use as perfume or flavouring agents and process for their preparation |
| 06/21/1983 | CA1148565A1 Intermediates in the preparation of cycolpropane-carboxylate esters and process for their manufacture |
| 06/15/1983 | EP0081457A2 Phenols and their uses as stabilizers |
| 06/15/1983 | EP0020685B1 Insecticidal cyclopropanecarboxylates from substituted (1,1'-biphenyl)-3-ylmethyl compounds |
| 06/14/1983 | US4388450 Thermal curing catalysts, quick-setting; |
| 06/08/1983 | EP0080658A1 Process for producing cyclic 1,2-cis diols from cyclic 1,2-epoxides |
| 06/08/1983 | EP0080572A1 Process for obtaining purified formaldehyde |
| 06/07/1983 | US4387152 Light-sensitive mixture and copying material prepared therefrom, and process for the preparation of a printing form from the copying material |
| 06/07/1983 | CA1147741A1 Phosphonium phenoxide catalysts for promoting reaction of epoxides with phenols and/or carboxylic acids |
| 06/01/1983 | EP0080148A1 3-l-menthoxypropane-1,2-Diol |
| 06/01/1983 | EP0080118A2 A process for preparing malondialdehyde tetraalkyl acetals |
| 06/01/1983 | EP0080085A1 Producing methyl ethers from branched monoolefins |
| 06/01/1983 | EP0080012A1 6-Chloro-3-methyl-2,3,4,5-tetrahydro-1H-3-benzazepine, its acid addition salts and its use as an intermediate |
| 05/31/1983 | US4386007 Liquid crystalline naphthalene derivatives |
| 05/31/1983 | US4385965 In two rectifying columns; the second column pressurized |
| 05/25/1983 | EP0079555A1 Perfluoro(2-bromoethylvinyl ether) |
| 05/25/1983 | EP0079432A1 Process for the production of methacrylic acid from isobutyraldehyde |
| 05/24/1983 | US4385190 Reaction of a lower alkyl ether with an alkylene oxide in presence of a heteropoly acid |
| 05/24/1983 | US4385189 Herbicides |
| 05/24/1983 | US4385185 Alcohol derivatives |
| 05/24/1983 | US4385004 Esters of ortho-allylphenol useful for the preparation of arylacetic acid derivatives |
| 05/24/1983 | CA1146966A1 Catalytic process for the conversion of toluene to equimolar amounts of phenol and formaldehyde |
| 05/18/1983 | EP0079168A1 Process for making 1-(3-benzyloxyphenyl)-1,1-dimethylheptane and intermediates therefor |
| 05/18/1983 | EP0078818A1 Process for co-production of tert. alkyl-methylether and formic acid. |
| 05/17/1983 | US4384154 Conversion of isobutene to aromatics |
| 05/17/1983 | US4384148 Hydration of olefins |
| 05/17/1983 | US4384135 Reacting a substituted benzotrifluoride with a substituted phenol |
| 05/17/1983 | US4384114 Chemical intermediates for insecticides |
| 05/17/1983 | US4383949 Preparation of 3-bromo-4-fluorobenzaldehyde and its acetals |
| 05/17/1983 | US4383836 Gasohol |
| 05/17/1983 | CA1146582A1 Halogenated esters |
| 05/17/1983 | CA1146581A1 Intermediates in the preparation of cyclopropylcarboxylate esters and process for their manufacture |
| 05/11/1983 | EP0078768A1 Process for the catalytic Pd arylation of olefines with aryl halogenides |
| 05/11/1983 | EP0078615A1 Process for preparing glycol ethers |
| 05/11/1983 | EP0078422A1 Process for the separation of methyl tert-butyl ether from reaction mixtures containing it |
| 05/10/1983 | US4383126 Hydroxyphenol, halide or sulfonate alkylation agent |
| 05/10/1983 | US4383118 Preparation of glycidyl polyethers of polyphenols |
| 05/10/1983 | US4382959 Naphthalene derivatives, a process for their preparation and their use in anti-inflammatory pharmaceutical compositions |
| 05/04/1983 | EP0078158A2 Novel alkane and alkene derivatives and their preparation and use |
| 05/04/1983 | EP0077953A1 Process for the preparation of polyalkylene oxide ethers |
| 05/03/1983 | CA1145761A1 Quinone derivatives |
| 05/03/1983 | CA1145745A1 Process for the preparation of n,n-dimethyl-n-(2- bromo-4-methyl-phenyl)-triazene |
| 04/27/1983 | EP0077501A1 Process for the preparation of fluoroaromatic compounds substituted in the ortho position |
| 04/26/1983 | US4381412 Insecticides |
| 04/20/1983 | EP0077114A1 Perfluorochemicals, process for preparing the same and their use as blood substitutes |
| 04/19/1983 | US4380657 Conversion of alkanols to ethers |
| 04/13/1983 | EP0076461A1 Hydrogenolysis of polyalkylene glycols to produce monoethylene glycol monoalkyl ethers, monoethylene glycol and ethanol |
| 04/12/1983 | CA1144557A1 Dilignols and diligonol-type compounds as active substances of liver therapeutica |
| 04/06/1983 | EP0076221A1 Process for the etherification of phenols |
| 04/06/1983 | EP0076220A1 Process for the hydrolysis of aryl aliphatic ethers |
| 04/06/1983 | EP0075952A1 Hydrogenolysis process for the production of monoethylene glycol monomethyl ether, monoethylene glycol and ethanol |
| 04/06/1983 | EP0075936A1 A process for selectively producing monoethylene glycol monomethyl ether with the simultaneous coproduction of monoethylene glycol and ethanol |
| 04/06/1983 | EP0075838A1 Process for the preparation of methyl tert-butyl ether |
| 04/06/1983 | EP0075771A1 Phenols, process for their production and their use as stabilizers for polymers |
| 04/05/1983 | CA1144182A1 Barium oxide catalyzed ethoxylation |
| 03/30/1983 | EP0075336A1 Process for the conversion of an aldehyde into an alkene, especially of phenolic aldehydes into corresponding alkenes |
| 03/30/1983 | EP0075146A1 Benzyl esters with fluorosubstituted ether groups, process for their preparation and their utilisation as insecticides |
| 03/30/1983 | EP0075136A1 A process for recovering methyl-tert-butyl ether from a reaction effluent |
| 03/29/1983 | CA1143746A1 PROCESS FOR THE MANUFACTURE OF RESORCINOLS FROM .delta.-KETOCARBOXYLIC ACID ESTERS |
| 03/23/1983 | EP0074837A1 4-Substituted pyridine catalysts |
| 03/23/1983 | EP0074608A2 Liquid crystal halogen compounds, process for their preparation, dielectric and dectrooptical display element containing them |
| 03/23/1983 | EP0074591A1 Process for the isolation of dihydroxybenzene-monoethers from reaction mixtures |
| 03/22/1983 | US4377715 Production of perfluoropropane |
| 03/22/1983 | US4377713 Chemical process for preparing 3-phenoxybenzyl chloride |
| 03/22/1983 | US4377712 Preparation of meta-substituted diaryl ethers |
| 03/22/1983 | US4377393 Process for the preparation of a mixture consisting essentially of iso-butene oligomers and methyl tert.-butyl ether, its use, and fuels containing such mixture |
| 03/17/1983 | WO1983000859A1 Methyl halides and methyl alcohol from methane |
| 03/16/1983 | EP0073837A1 Process for selectively producing para-substituted derivatives of phenols |
| 03/15/1983 | US4376868 Alkoxylation of cresylic acids |
| 03/15/1983 | CA1142969A1 .alpha.-MONO (METHYL-BRANCHED ALKYL) GLYCERYL ETHER AND A SKIN CARE COSMETIC COMPOSITION CONTAINING THE SAME |
| 03/08/1983 | US4376219 In the presence of a heteropoly acid or salt adduct with an alcohol |
| 03/08/1983 | CA1142554A1 Process for obtaining isobutene from c.sub.4-hydrocarbon mixtures containing isobutene |
| 03/08/1983 | CA1142549A1 Process for the manufacture of 4,5-dichloro -2-(4-chloro-phenoxy) phenol |
| 03/08/1983 | CA1142534A1 Branched-chain monoalcohols and derivatives thereof, lubricant compositions for polymers and wax compositions in which these novel products are incorporated |
| 03/08/1983 | CA1142475A1 Isolation of methyl-tert-butyl ether from the methanol and a c.sub.4 hydrocarbons cut with isobutene reaction products |
| 03/02/1983 | EP0073141A2 Method for promoting the activity and/or extending the life of cation-exchangeable layered clay catalysts in proton-catalysed reactions |
| 03/02/1983 | EP0073069A1 Method of polymerizing vinyl ethers |
| 03/02/1983 | EP0073020A2 A flame retarded halogenated polyol |
| 03/01/1983 | US4375575 With alh3, silica gel catalyst |
| 03/01/1983 | US4375574 With alh3, silica gel catalyst |
| 03/01/1983 | US4375564 Alkoxylation process |
| 03/01/1983 | US4375424 Carbon monoxide, hydrogenation |