| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 05/12/1993 | EP0541312A1 Catalytic decomposition of impurities in methyl tertiary butyl ether |
| 05/12/1993 | EP0541267A1 Synthesis of alkyl tert-alkyl ether using fluorocarbon sulfonic acid polymers on inert supports |
| 05/12/1993 | EP0541244A1 Catalyst removal from alcohol alkoxylates using acid clays |
| 05/12/1993 | EP0540674A1 Improved catalytic olefin hydration for ether production. |
| 05/11/1993 | US5210355 Selective production of 2,6-methylethylnaphthalene |
| 05/11/1993 | US5210327 Production of methyl tert-amyl ether and methyl tert-butyl ether |
| 05/11/1993 | US5210326 Process for production of an ether-rich additive |
| 05/11/1993 | US5210325 Catalytic reaction of alkylene oxide adduct of active hydrogen compounds |
| 05/11/1993 | US5210324 Making polyalkyleneoxy allyl ethers by dissolving alcohol in solvent capable of forming azeotrope with water, azeotroping mixture to remove water, adding alkali metal alkoxide, removing alkanol, reacting alcoholate with allyl halide |
| 05/11/1993 | US5210323 Process for the preparation of alkoxylates having a narrow distribution of homologs using antimony pentahalide complexes as the catalyst |
| 05/11/1993 | US5210322 Processes for the preparation of ethers |
| 05/11/1993 | US5210321 Two stage catalytic reaction using a zirconium catalyst and an iron catalyst |
| 05/05/1993 | CN1020449C Insecticidal triffluormethyl alkane derivatives |
| 05/05/1993 | CN1020448C Diethers usable in preparation of zieglernatta catalysts |
| 05/05/1993 | CN1020411C Mixed phase catalysis reaction distillation technology and equipment |
| 05/04/1993 | US5208387 Two stage process for production of diisopropyl ether |
| 05/04/1993 | US5208199 Catalyst of rare earth and phosphorus-containing xerogels for alkoxylation process |
| 04/28/1993 | EP0538704A1 Process for the monobenzylation of p-substituted phenols |
| 04/28/1993 | EP0538681A1 Process for the preparation of monovinyl ethers |
| 04/27/1993 | US5206443 Alkanediol bisacetals |
| 04/27/1993 | US5205914 Synthesis of desflurane |
| 04/26/1993 | CA2069389A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorosulfonic acid-modified clay catalysts |
| 04/21/1993 | EP0537636A1 Etherification process |
| 04/21/1993 | EP0537605A2 Process for the preparation of 4-halogenebenzylic alcohols |
| 04/21/1993 | EP0537558A1 Process for the dehalogenation of naphthalene derivatives |
| 04/21/1993 | EP0537260A1 A method for avoiding formation of by-products at the production of an ethoxylated polyol. |
| 04/20/1993 | US5204064 Retaining reactants in contact with catalyst while separating out the products, improved reaction rate |
| 04/19/1993 | CA2068237A1 Catalyst removal from alcohol alkoxylates using acid clays |
| 04/15/1993 | DE4133824A1 Aryl-alkyl ether prepn. for plastics stabiliser - by alkylating phenol with carbonate contg. alkyl gp. in acidic heterogeneous catalyst contg. aluminium oxygen gps. for perfumes etc. |
| 04/13/1993 | US5202516 Process of recovering monoalkylbenzene and pure 1,3,5-trialkylbenzene from a mixture of dialkyl- and trialkylbenzenes |
| 04/13/1993 | US5202500 Hydroformylation of halomethyl aromatics in presence of metal carbonyl catalyst, acid acceptor, orthoester |
| 04/13/1993 | US5202480 Fluorination of acetals, ketals and orthoesters |
| 04/13/1993 | US5202447 Process of producing 5,6,7-trinor-4,8-inter-m-phenylene pgi2 derivatives |
| 04/13/1993 | CA1316182C2 Intermediates for 2,2-difluorocyclopropylethane derivatives |
| 04/07/1993 | EP0535918A1 Purification of methyl tertiary-butyl ether |
| 04/07/1993 | EP0535682A1 Preparation of aryl-substituted olefins |
| 04/07/1993 | EP0535430A1 Process for the preparation of dimethylether |
| 04/07/1993 | EP0535353A1 Process for the preparation of diglycerine and/or polyglycerine |
| 04/07/1993 | CN1070634A Ester-free ethers |
| 04/06/1993 | US5200111 Optically active compound |
| 04/06/1993 | CA1315808C Process for preparing perfluoro-(2-bromoethyl-vinyl-ether) |
| 04/06/1993 | CA1315686C Pharmaceutical compositions containing at least one naphtylaromatic compound as an active ingredient |
| 04/04/1993 | CA2070876A1 Purification of methyl tertiary-butyl ether |
| 04/03/1993 | CA2078754A1 Preparation of aryl-substituted olefins |
| 03/31/1993 | EP0534142A1 Iso-olefin production and etherification process |
| 03/31/1993 | EP0533731A1 Process for halogenating aromatic compounds |
| 03/31/1993 | EP0507770A4 Process for preparing an ether |
| 03/30/1993 | US5198598 Telomerization process of a conjugated alkadiene with a polyol |
| 03/30/1993 | US5198595 Alkylation of aromatic compounds |
| 03/30/1993 | US5198590 Hydrocarbon conversion |
| 03/30/1993 | US5198571 Monofunctionalization of phenolic hydroxy onto a polyphenol |
| 03/30/1993 | CA1315298C Process for the mutual condensation of aromatic and carbonylic compounds |
| 03/30/1993 | CA1315282C Insecticidal cyclopropyl-substituted di(aryl) compounds |
| 03/30/1993 | CA1315172C Microemulsions based on three immiscible liquids, comprising a perfluoropolyether |
| 03/24/1993 | EP0532520A1 Process for removing double metal cyanide complex catalyst residues from catalyst-residue containing polyols |
| 03/24/1993 | EP0532497A1 Fatty alcohol alkoxylate |
| 03/24/1993 | EP0306505B1 Acetylene derivatives as components of liquid crystal phases |
| 03/23/1993 | US5196612 Isomerization |
| 03/23/1993 | US5196611 Chlorination of the alcohol, a phosphine oxide catalyst |
| 03/23/1993 | US5196610 Insecticidal ethers |
| 03/23/1993 | US5196609 Preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals |
| 03/23/1993 | US5196608 Chemical intermediates for vitamin A |
| 03/23/1993 | US5196600 Chlorinating diflouromethyl methyl ether; fluorination with hydrogen fluoride without catalyst |
| 03/23/1993 | US5196599 Method of preparing fluoro, nitro, and fluoronitroalkyl difluoroformals |
| 03/23/1993 | US5196140 Electro-optical liquid crystal display element |
| 03/23/1993 | CA1314896C Process for preparing iodinated substituted aromatic compounds |
| 03/23/1993 | CA1314889C Glycerol derivatives, their preparation and their therapeutic use |
| 03/18/1993 | WO1993005119A1 Use of the fatty acid esters of alkadienyl ethers of polyoles as reactive thinners |
| 03/18/1993 | WO1993005008A1 Method of producing epoxy-ring opening products |
| 03/18/1993 | CA2116536A1 A process for the production of epoxide ring opening products |
| 03/17/1993 | EP0380578B1 A process for the preparation of 1,4-disubstituted 2-butenes |
| 03/17/1993 | CN1069962A Process for preparation of insecticidal cyclopropyl-substituted di(aryl) compounds |
| 03/17/1993 | CN1020091C Insecticidal cyclopropyl-substituted di( aryl) compound |
| 03/17/1993 | CA2051498A1 Process for treatment of aqueous solutions of polyhydric alcohols |
| 03/16/1993 | US5194656 Reacting carbon monoxide, oxygen and excess methanol using copper catalyst, dehydrating, reacting with isobutene |
| 03/16/1993 | US5194159 Reclaiming ethylene glycol and propylene glycol from aqueous antifreeze, reverse osmosis |
| 03/16/1993 | CA1314567C Preparation of nonionic surfactants by oxyalkylation with a magnesium catalyst |
| 03/16/1993 | CA1314553C Bicyclic compounds, processes for preparation thereof and pharmaceutical composition comprising the same |
| 03/11/1993 | DE4129528A1 Verwendung der fettsaeureester von alkadienylethern von polyolen als reaktivverduenner Using the fettsaeureester of alkadienylethern of polyols as reactive diluents |
| 03/10/1993 | EP0530966A2 Method of separating isobutylene from a c-4 hydrocarbon fraction |
| 03/10/1993 | EP0530454A1 Process for the preparation of alkylphenyl alkyl ethers of alkylphenyl alkyl thioethers |
| 03/10/1993 | EP0530208A1 Process for producing alpha-fluorostyrols |
| 03/04/1993 | WO1993004028A1 Ester-free ethers |
| 03/04/1993 | DE4128827A1 Catalytic alkoxylation of fatty alcohol(s) and other fat derivs. - by passing down falling-film reactor in contact with parallel stream of alkylene oxide, esp. ethylene oxide |
| 03/04/1993 | DE4128649A1 Verfahren zur herstellung von epoxidringoeffnungsprodukten A process for preparing epoxidringoeffnungsprodukten |
| 03/04/1993 | CA2077391A1 Method of separating isobutylene from a c-4 hydrocarbon fraction |
| 03/02/1993 | US5191129 Catalytic reaction of propene and water |
| 03/02/1993 | US5191127 Etherification and acid catalytic chlorination of glyoxal for 1-chloro-1,2,2-trialkoxyethane compounds |
| 03/02/1993 | US5191123 Catalytic decarboxylation with a metal oxide catalyst |
| 03/02/1993 | US5190730 Reactor for exothermic reactions |
| 03/02/1993 | US5190692 Four ring esters and ethers |
| 03/02/1993 | CA1314056C Narrow range alkanol alkoxylates |
| 02/24/1993 | EP0528763A2 Process for the preparation of di-secondary alcohols and of glycidyl ethers thereof |
| 02/24/1993 | EP0528626A1 Synthesis of alkyl tert-alkyl ether using zeolite catalysts |
| 02/24/1993 | EP0528096A1 Catalytic process for the selective alkylation of polycyclic aromatic compounds |
| 02/24/1993 | CN1069258A Biscfluoromethy ether, its producing process and use for production of difluoromethane |
| 02/24/1993 | CN1069168A Method of controlling insects and acarids |
| 02/23/1993 | US5189225 Using a phosphorous compound catalyst on an inert carrier |
| 02/23/1993 | US5189202 Process for the preparation of 3,3-dimethyl-4-pentenoic acid |
| 02/23/1993 | US5189199 Process for the preparation of 1,4-disubstituted 2-butenes |