Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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03/04/1997 | US5607557 Ethyl tertio-butyl ether purification process combining a membrane method and distillation |
03/04/1997 | CA2051484C Decarboxylation processes using mixed metal oxide catalysts |
02/27/1997 | CA2184051A1 Process for preparing 4-bromophenyl alkyl ethers |
02/26/1997 | EP0759418A1 Use of a second stage reactor in the manufacture and recovery of methyl tertiary butyl ether |
02/26/1997 | EP0759417A1 Method for the water washing and recovery of methyl tertiary butyl ether |
02/25/1997 | CA1338939C Vinylphenol derivatives, their preparation and their use |
02/19/1997 | CA2178708A1 Feed control in the manufacture of methyl tertiary butyl ether |
02/18/1997 | CA2183490A1 Use of a second stage reactor in the manufacture and recovery of methyl tertiary butyl ether |
02/18/1997 | CA2172581A1 Method for the water washing and recovery of methyl tertiary butyl ether |
02/12/1997 | EP0757977A1 Removal of methanol from methyl tertiary butyl ether |
02/12/1997 | EP0757668A1 Pesticidal fluoroolefins |
02/12/1997 | CN1142482A Production of polyethylene glycol dimethyl ether |
02/11/1997 | US5602285 Etherification of phenethyl alcohol with primary aliphatic alcohol in presence of acid catalyst |
02/11/1997 | US5602104 Skin disorders, conjunctive tissue disorders, antitumor agents |
02/09/1997 | CA2181980A1 Removal of methanol from methyl tertiary butyl ether |
02/05/1997 | CN1141909A Process for preparation of pely alkylidene dialcohol mono alkyl ether |
02/05/1997 | CN1141908A Process for joint production of ethers and hydrocarbons with high octane number |
02/04/1997 | US5600045 Similtaneous etherification and hydrogenation of tertiary olefins and gum-forming compounds using an acidic mordenite zeolite containing an active hydrogenation metal |
02/04/1997 | US5600024 Enhanced recovery of alcohol from an ether containing stream |
02/04/1997 | US5600023 Reacting propylene, water and recycled isopropyl alcohol in the presence of sulfolane and a styrene/divinylbenzene copolymer having a sulfonic acid functional group attached |
02/04/1997 | US5600022 Using an aqueous acid solution to dissolve catalyst; solvent extraction |
02/04/1997 | US5600020 Process for the preparation of alkoxylates using ester compounds as catalyst |
02/04/1997 | US5600015 Assymetric hydrogenation of isoprene derivatives |
02/04/1997 | CA2182435A1 Recycle of alcohol in a combined hydroisomerization and etherification process |
01/29/1997 | EP0755911A1 Enhanced recovery of alcohol from an ether containing stream |
01/29/1997 | EP0755706A1 Process and apparatus for reactive distillation with particular distribution of the liquid and vapour phases |
01/29/1997 | CN1141285A Diethers suitable for use in prepn. of zieglernatta catalysts |
01/28/1997 | US5597934 Process for production of polyol compounds |
01/23/1997 | WO1997002227A1 Addition of trifluoromethanes to fluoroolefins and isomerization of monohaloperfluoro alkanes |
01/22/1997 | EP0684939A4 Di-isopropyl ether production. |
01/22/1997 | CN1141027A Synergistic process for the production of methanol |
01/22/1997 | CN1033855C Reduction of carboxylic esters |
01/22/1997 | CN1033854C Synthetic process of triethyl orthoformate |
01/22/1997 | CN1033842C Modified alumina catalyst for producing alkoxyl alcohol |
01/16/1997 | WO1997001594A1 Hydroxy-substituted ethynylated biphenyls |
01/16/1997 | WO1997001536A1 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity |
01/15/1997 | EP0753500A2 Process for producing ether compound |
01/14/1997 | US5593973 Treatment of viral hepatitis with mismatched dsRNA |
01/09/1997 | WO1997000842A1 Synthesis of glycol ethers |
01/09/1997 | CA2225399A1 Synthesis of glycol ethers |
01/08/1997 | EP0751925A1 Electrophilic substitution of triphenylene-based discotic liquid crystals |
01/07/1997 | US5591884 Dopamine agonists |
01/03/1997 | WO1997000133A1 Process for preparing alkoxylation catalysts and alkoxylation process |
01/02/1997 | EP0750587A1 Crystalline borophosphates, their production and use |
01/02/1997 | EP0640064B1 Process and apparatus for preparing tertiary alkyl ethers |
01/02/1997 | EP0583251B1 Process for purifying and end-capping polyols made using double metal cyanide catalysts |
01/01/1997 | CN1139424A Process for separation of glycols from dimethyl terephthalate |
01/01/1997 | CN1139103A Process for synthesis of hydrocarbon compounds which are fluorinated on carbon of alkyl chain |
01/01/1997 | CN1033697C Process for preparing alkylaryl ether |
12/31/1996 | US5589597 Process of producing ether compound |
12/31/1996 | US5589557 Fluorinated polymers and copolymers containing cyclic structures |
12/25/1996 | CN1138849A Process for producing n-butyraldehyde and/or n-butanol |
12/25/1996 | CN1138568A Process for producing chloro-ether |
12/25/1996 | CN1033619C A distilling process and plant of catalytic reaction |
12/18/1996 | EP0748307A1 Skin lightening compositions |
12/18/1996 | EP0748306A1 Process for making monoacetals of hydroquinone |
12/18/1996 | EP0702596B1 Catalytic materials comprising layered clay macrospheres |
12/17/1996 | US5586051 Chemical reactor feed control |
12/17/1996 | US5585525 Reacting monoether of hydroquinone with enol ether in presence of acid catalyst to form protected monoacetal, reacting with nonacidic hydrogen transfer source in presence of metal catalyst to cleave protective group |
12/17/1996 | US5585517 Catalyzing the hydrohalogenation in presence of an azoic free radical catalyst and sulfites |
12/12/1996 | WO1996039372A2 Macrophage lipid chemoattractant |
12/12/1996 | WO1996039370A1 Purification of fluorinated dimethyl ethers |
12/12/1996 | CA2222040A1 Macrophage lipid chemoattractant |
12/12/1996 | CA2220432A1 Purification of fluorinated dimethyl ethers |
12/11/1996 | EP0747339A1 Process for production of (poly)alkylene glycol monoalkyl ether |
12/11/1996 | EP0747123A2 Solid acid-base catalyst |
12/10/1996 | US5583266 Integrated process for the production of isopropyl alcohol and diisopropyl ethers |
12/10/1996 | CA2102576C Process for the preparation of acetals and hemiacetal esters |
12/05/1996 | WO1996038435A1 Dopamine agonists |
12/04/1996 | EP0745576A1 Process for the joint production of ethers and hydrocarbons with a high octane number |
12/04/1996 | CN1137279A Process for purifying polyols |
12/03/1996 | US5580996 Oxygen-containing aliphatic compounds and their use as intermediates for the preparation of 4-hydroxy-2, 5-dimethyl-3(2H)-furanone |
12/03/1996 | US5580888 Administering for therapy and prophylaxis of asthma; potent phosphodiesterase iv isoenzyme inhibitors |
11/28/1996 | WO1996037452A1 Method for hydroxyalkylating a carbocyclic aromatic ether |
11/27/1996 | EP0744391A1 Process for the preparation of aromatic acetyles using palladacyclen as acatalysts |
11/27/1996 | CN1136552A Catalytic synthesizing process for ethers |
11/26/1996 | US5578740 Process for preparation of epoxy compounds essentially free of organic halides |
11/26/1996 | US5578686 Phenolic allyl ethers |
11/26/1996 | US5578278 Tubular reactor system for direct fluorination |
11/21/1996 | WO1996036583A1 Novel ether compound and process for producing the same |
11/21/1996 | WO1996036582A1 Alkoxylation of alcohols |
11/20/1996 | EP0743293A1 Process for producing biaryl compound |
11/20/1996 | EP0742806A1 Polyglycerol production |
11/20/1996 | CN1135934A 化学反应器进料控制 Chemical reactor feed control |
11/19/1996 | US5576465 Dehydroetherification of acetals or ketals by heating |
11/19/1996 | US5576464 Removal of methanol from methyl tertiary butyl ether |
11/14/1996 | DE19517049A1 Di:alkyl:ether(s) prodn., useful components in cosmetic prepns., |
11/13/1996 | EP0742195A1 Process and installation for the conversion of C4 and C5 olefinic fractions into ethers and propylene |
11/13/1996 | EP0741688A1 Process for the separation of glycols from dimethyl terephthalate |
11/13/1996 | EP0741686A1 New leukotriene b 4? derivatives, methods of preparing them and their use as drugs |
11/13/1996 | EP0741681A1 Process for producing 3-aryl propines and novel 3-aryl propines |
11/12/1996 | US5574193 Initiators for telomerization of polyfluoroalkyl iodides with fluoroolefins |
11/12/1996 | US5573654 From 2h-octafluoroisobutyl alkyl ether and trialkylamine |
11/06/1996 | EP0741125A1 Benzyl compounds and process for producing same |
11/05/1996 | US5571870 Liquid phase fluorination |
11/05/1996 | US5571387 Continuous single vessel distillation and adsorption process |
10/31/1996 | WO1996033963A1 Process for dimerizing propylene and for converting hexenes into ethers |
10/31/1996 | WO1996028407A3 Process for the alkoxylation of fluorinated alcohols |
10/30/1996 | EP0739332A1 PROCESS FOR PRODUCING n-BUTYRALDEHYDE AND/OR n-BUTANOL |
10/30/1996 | EP0739239A1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide |