Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
11/1992
11/12/1992WO1992019748A1 Herpesvirus particles and vaccine
11/12/1992WO1992019578A1 Process for purifying and end-capping polyols made using double metal cyanide catalysts
11/12/1992WO1992019577A1 Process for producing epoxy open ring products with a defined residual epoxy oxygen content
11/12/1992DE4115465A1 Neue in 4-stellung durch aryl oder n-heteroaryl substituierte 2h-benzo(b)pyran-derivate, verfahren zu ihrer herstellung und ihre verwendung sowie die verbindungen enthaltende zubereitungen New in the 4-position by aryl or heteroaryl substituted n-2h-benzo (b) pyran derivatives, process for their production and their use as well as the compounds containing preparations
11/12/1992DE4115146A1 Verfahren zur herstellung von epoxid-ringoeffnungsprodukten mit einem definierten rest-epoxidsauerstoffgehalt A process for preparing epoxy ringoeffnungsprodukten having a defined residual epoxide oxygen
11/12/1992CA2102904A1 Novel 2h-benzo[b]pyrane derivatives substituted in the 4 position by aryl or n-heteroaryl, process for producing them and preparations containing the compounds
11/11/1992EP0512593A1 Continuous integrated process for producing dimethyl carbonate and methyl tert-butyl ether
11/11/1992EP0512270A2 Cosmetic composition
11/11/1992EP0307457B1 Improved vapor phase bromination of aromatic compounds
11/10/1992US5162592 Reaction with methanolusing zeolites modified with multimetals, heating, pressurization
11/10/1992US5162591 Zeolite Beta
11/10/1992US5162590 Chemical intermediates, surfactants
11/10/1992US5162589 Alkoxylation process catalyzed by sodium- or potassium barium phosphate
11/10/1992US5162468 Perfluorovinyl compounds
11/09/1992CA2066880A1 Continuous integrated process for producing dimethyl carbonate and methyl tert-butyl ether
11/04/1992EP0511666A1 Process for the preparation of polycyclic compounds
11/04/1992CA2041816A1 Non-bioaccumulable pesticides
11/03/1992US5160662 Improved response times
11/03/1992US5160496 With hydrogen peroxide, catalytic bridged clay
11/03/1992CA1309729C Liquid phase isomerization of iodoaromatic compounds
10/1992
10/31/1992CA2067552A1 Process for the preparation of polycyclic compounds
10/30/1992CA2041420A1 Ether production
10/29/1992WO1992018450A1 Aromatic ether compound and color formation promoter
10/29/1992WO1992018448A1 Fluoro tolans and liquid crystalline media
10/29/1992DE4113309A1 Novel fluoro-alkenyl fluoro-benzene cpds. - useful as components of liq. crystal media for displays etc.
10/29/1992DE4113054A1 Novel fluoro-alkenyl phenyl-cyclohexane cpds. - useful as components of liq. crystal mixts. to give increased clear pt. etc.
10/29/1992DE4113053A1 Fluoro benzene liq. crystal derivs. for low viscosity - useful as components of liq. crystal media for electro=optical displays, with wide mesophase range and low temp. anisotropy
10/28/1992EP0510685A2 Perfluoropolyoxyalkylene endowed with a high viscosity and a low peroxide oxygen content, and process for preparing them
10/28/1992EP0510672A1 Positive type photoresist composition
10/28/1992EP0510281A1 Telechelic telomers of chlorotrifluoroethylene and method for preparing same
10/28/1992EP0510260A2 6'-C-alkyl-3-deazaneplanocin A derivative and its preparation process and use
10/28/1992EP0510165A1 Amphiphilic non-ionic, glycerol-derived compounds, a method for preparing same, corresponding intermediate compounds and compositions containing said compounds.
10/28/1992EP0510070A1 Low caloric fat substitutes, precursors of such substitutes and methods of making same
10/28/1992CN1065656A Preparing diglycol monotertiary butyl ether
10/28/1992CN1065655A Refining diglycol monotertiary butyl ether
10/27/1992US5159122 Using acid treated catalyst
10/27/1992US5159120 Preparation of dialkoxybutenes
10/27/1992US5159119 Starting material for improved radiation hardenable diluents
10/27/1992US5159097 Alkenoic acid derivatives
10/27/1992US5159092 Process for the safe and environmentally sound production of highly pure alkylene oxide adducts
10/27/1992US5159082 Process for producing aromatic compound
10/27/1992US5159038 Flexibility, tensile strength
10/27/1992US5159037 Crosslinking
10/27/1992US5159036 Dimerizing perfluorovinyl groups, heating, crosslinking
10/27/1992US5158977 Antioxidant; preventive treatment of cutaneous inflammations and allergies
10/27/1992US5158652 Distillation at different pressures; recycling ethanol
10/24/1992CA2065971A1 Alkanediol bisacetals
10/22/1992DE4138166C1 (Meth)allyl:alkoxy:alkylene prodn. - by reacting corresp. alcohol with excess sodium hydroxide or methoxide and simultaneously distilling off formed water or ethanol until specified reduced pressure is reached adding excess alkyl chloride, etc.
10/21/1992EP0496789A4 Trivinyl ethers of polyols
10/21/1992CA2057327A1 Telechelic telomers of chlorotrifluoroethylene and method for preparing same
10/20/1992US5157163 Distillation of reaction mixture in the presence of added water
10/20/1992US5157162 Continuous processing
10/20/1992US5157161 One-step synthesis of methyl t-butyl ether from t-butanol using hydrogen fluoride-modified montmorillonite clays
10/20/1992US5157159 Reacting alcohols with alkylene carbonate in the presence of nitrogen base catalyst
10/20/1992US5157132 Integrated process for recovery of carotenoids and tocotrienols from oil
10/20/1992US5157102 Indeno(1,2-beta)fluorene-6,12-diol or derivatives
10/20/1992CA1309113C Selective liquid phase disproportionation catalysts for iodoaromatics
10/20/1992CA1309112C Process for the preparation of alkylene glycol dialkyl ethers
10/20/1992CA1309111C Process for the preparation of decabromodiphenyl ether with improvedthermal stability
10/20/1992CA1309029C Anesthetic composition and method of using the same
10/15/1992WO1992017176A1 Retroviral protease inhibiting compounds
10/15/1992DE4111991A1 New di:substd. di:fluoro-benzene cpds. for use in dielectric medium - esp. for LCD or electro=optical display with low viscosity and high dielectric anisotropy
10/14/1992EP0508345A2 Volatile alkaline earth complex and its application
10/14/1992EP0508263A2 Derivatives of alpha-(5 aryloxy-1 naphthyloxy)-carboxylic acid
10/14/1992EP0507770A1 Process for preparing an ether.
10/13/1992US5155281 Reacting thionocarbonate derivatives with sulfenyl chloride compounds
10/13/1992US5155228 FK-506 C10-C18 process intermediates
10/13/1992US5155196 Derived from propargyl ethers, cyclization to chromenes; waterproof, heat and solvent resistant; structural materials
10/13/1992US5154853 Alkylating branches of multi-branch core alkyl compound with alkyne building lbock having ether side chains; reducing; deprotecting; functionalizing
10/13/1992US5154851 Liquid crystal compound having large optical anisotropy value
10/13/1992US5154801 Advances in product separation in dipe process
10/13/1992CA1308731C Nona-1,3,5-triene derivatives; process for preparing them and their use
10/08/1992DE4110835A1 Verfahren zur herstellung hydrophobierter doppelschichthydroxid-verbindungen A process for preparing hydrophobicized double layer hydroxide compounds
10/08/1992DE4110834A1 Verfahren zur herstellung von fettalkoholpolyalkylenglycolethern A process for preparing fettalkoholpolyalkylenglycolethern
10/07/1992EP0507637A2 Use of benzobicyclic carboxamides for the manufacture of a medicament for use as analgesic
10/07/1992EP0507140A2 O-Halocyclopentyl-S-alkyl-(di)thiophosphoric(phosphonic)-acid ester derivatives, process for their preparation and their use as pesticides
10/07/1992EP0507076A1 Method for separating ethyl tert-butyl ether from mixtures with ethanol
10/07/1992EP0456658A4 Vinyloxy hydroxyalkylcycloalkane and preparation therefor
10/07/1992EP0441876A4 Non-bioaccumulable pesticides
10/07/1992CN1018546B Reduction of carboxylic esters
10/06/1992US5153344 Vitamin E intermediates and a process for their manufacture and conversion into vitamin E
10/06/1992US5153322 Perfluoro (cycloaliphatic methyleneoxyalkylene) carbonyl fluorides and derivatives thereof
10/06/1992US5153179 Medicament with improved penetration of the tissue membrane
10/06/1992CA2063912A1 Analgesic use of benzobicyclic carboxamides
10/05/1992WO1992017431A1 Process for producing fatty alcohol polyalkylene glycol ethers
10/05/1992WO1992017405A1 Process for producing hydrophobised double-layer hydroxide compounds
10/05/1992CA2107685A1 Process for producing hydrophobicized double-layer hydroxide compounds
10/05/1992CA2107684A1 A process for the production of fatty alcohol polyalkylene glycol ethers
10/01/1992WO1992016509A1 Multisubstituted 1-hydroxy-9-acridones with anticancer activity
10/01/1992WO1992016486A1 Substituted diphenylethylenes and analogues or derivatives thereof
10/01/1992WO1992016484A1 Polyoxypropylene/polyoxyethylene copolymers with improved biological activity
10/01/1992WO1992016483A1 Methylene cyclobutane derivates
10/01/1992DE4127450A1 New liq. crystal and cyclohexyl-cyclohexyl di:fluoro:benzene and phenol cpds.
10/01/1992DE4110178A1 Verbessertes verfahren zur herstellung von nichtionischen oberflaechenaktiven verbindungen An improved process for the preparation of nonionic compounds oberflaechenaktiven
10/01/1992DE4105743C1 Benzyl:aryl:sulphone(s) useful as LCD - are produced by reacting salt of aryl:sulphinic acid with corresp. benzyl halide
09/1992
09/30/1992EP0506428A1 Synthesis of methyl t-butyl ether using Group IV oxides treated with sulfates or sulfuric acid
09/30/1992EP0506374A1 Process for purification of ethylene compound having fluorine-containing organic group
09/30/1992EP0505923A1 Phenol ethers, process for their preparation and medicaments containing them
09/30/1992EP0505895A1 Aromatic compounds, their production processes and their compositions for the control of insect pests
09/30/1992CA2048017A1 One step synthesis of methyl t-butyl ether from t-butanol plus methanol using group iv oxides treated with sulfates or sulfuric acid