Patents
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
09/1992
09/29/1992US5151549 Naphthalene compounds
09/29/1992US5151531 Phenols for polycarbonates
09/29/1992US5151438 Retroviral protease inhibiting compounds
09/29/1992US5151213 Fluorine-containing aromatic compounds
09/29/1992CA1308120C Aldehydes, acetals, alcohols and ethers having 3-methyl- or 3,5-dimethyl-benzyl groups, their manufacture and perfume materials containing same
09/29/1992CA1308100C Processes and intermediates
09/28/1992WO1992017429A1 Improved process for producing non-ionic surface-active compounds
09/28/1992CA2107121A1 An improved process for the production of nonionic surface-active compounds
09/27/1992WO1992017220A1 Method and device for filtering plasma
09/24/1992WO1992016485A1 New phenol ethers, process for producing the same and medicaments containing these compounds
09/24/1992CA2106687A1 Phenol ethers, processes for their preparation and medicaments which contain these compounds
09/23/1992EP0505122A1 Alpha, alpha-dialkylbenzyl derivatives
09/23/1992EP0504812A2 Aromatic compounds, their production processes and their compositions for the control of insect pests
09/23/1992EP0504541A1 Improved catalytic process for selective alkylation of aromatic hydrocarbons
09/23/1992EP0504322A1 Partially fluorinated compounds and polymers.
09/23/1992CN1064673A Reduction of carboxylic esters
09/23/1992CN1018367B Process for production of ether
09/22/1992US5149888 Hydroxylation of phenols/phenol ethers
09/22/1992US5149858 Reacting with chlorine gas in presence of organic cation catalysts
09/22/1992US5149843 Chemical intermediate for antitumor-anticarcinogenic agents
09/22/1992CA1307797C Scale-up and synthesis of 1-methoxycyclohepta-1 3, 5-triene
09/22/1992CA1307792C Alkyltetramethylcyclohexane derivatives and their use as perfumes
09/19/1992WO1992016197A1 Composition and method containing optically pure (s) metoprolol
09/19/1992CA2106494A1 Composition and method containing optically pure (s) metoprolol
09/17/1992WO1992015544A1 Method of making 2,7-dimethyl-2,4,6-octatrienedial and derivatives thereof
09/17/1992WO1991008184A3 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media
09/17/1992DE4206771A1 Methylencyclobutanderivate Methyl cyclobutane derivatives
09/16/1992EP0503990A1 Apparatus for distillation-reaction and its use
09/16/1992EP0503630A1 Cyclohexanetriol derivatives
09/16/1992EP0357610B1 Insecticidal cyclopropyl-substituted di(aryl) compounds
09/16/1992CN1064476A Integrated process for producing iso-butene and alkyl tert-butyl ethers
09/15/1992US5147880 Estrogenic and antiestrogenic activity
09/15/1992US5147727 Aryloxy polyvinyl ethers
09/15/1992CA1307537C N-naphthoylglycines as aldose reductase inhibitors
09/09/1992EP0502651A1 Synthesis of alkyl t-alkyl ether using zeolite catalysts
09/09/1992EP0502374A1 Process of preparation of 3-alkoxycarbonylpropenals and 3-dialkoxymethylpropenals
09/09/1992EP0502372A1 4-tert-Alkyl-2-Methylbenzaldehydedialkylacetals
09/09/1992EP0502333A1 Bromination process
09/09/1992EP0502265A2 Integrated process for producing iso-butene and alkyl tert-butyl ethers
09/09/1992EP0502202A1 Organic electroluminescent element
09/09/1992CN1064227A Homogeneous phase-transfering catalyst for liquid and its production and use
09/09/1992CN1018178B Process for production of ethers
09/08/1992US5146025 Naphthalene compounds
09/08/1992US5146005 Cationically curable oxalkylene ethers, method for their synthesis and their use as casting compounds, coating compositions or as reactive diluents for epoxide resins
09/08/1992US5145972 Process for preparing halo acetals from enamines
09/08/1992US5145772 Chemiluminescence enhancement of enzyme-activated decomposition of enzymatically cleavable chemiluminescent 1,2-dioxetanes
09/08/1992CA2062473A1 Process for the separation of ethyltertiobutylether from ethanol mixtures
09/06/1992WO1992015543A1 Novel allyl alcohol derivative
09/06/1992CA2081781A1 Allyl alcohol derivative
09/05/1992CA2048772A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorosulfonic acid-modified zeolite catalysts
09/03/1992WO1992014543A1 Unimolecular micelles and method of making the same
09/02/1992EP0501912A1 Methyldioxolane
09/02/1992EP0501849A1 Fluorinated liquid crystals
09/02/1992EP0501268A2 Liquid crystal compounds ending with a 1-alkinyl group
09/02/1992EP0327559B1 Titanium and zirconium complexes, and fuel compositions
09/02/1992EP0288582B1 Process for producing alkyl group-substituted aromatic hydrocarbons
09/01/1992US5144093 Process for purifying and end-capping polyols made using double metal cyanide catalysts
09/01/1992US5144085 Feedstock dewatering and etherification of crude ethanol
09/01/1992US5144083 Process for producing p-hydroxyneophyl m-phenoxybenzyl ether
09/01/1992US5143643 Optically active mesomorphic compound
09/01/1992CA1306952C Coupler of 2,4-diamino-1,3-dimethoxybenzene, or one of its salts, associated with oxidation dye precursors, used to dye human hair, composition of hair dyecontaining such coupler and process for the preparation of said coupler
08/1992
08/29/1992CA2054894A1 Integrated process for producing iso-butene and alkyl tert-butyl ethers
08/27/1992DE4105742A1 2,6-Di:fluoro-tolan derivs. - useful as components of liq. crystal media for electro=optical displays
08/27/1992DE4105572A1 3,5-Di:fluoro-4-chloro-benzene derivs. - by Grignard reaction of 3,5-di:fluoro-benzene with cyclohexanone, dehydration, oxidn.or redn., and treatment with base and chlorinating agent
08/26/1992WO1992014693A1 Method of preparation of pilocarpines and intermediates thereof
08/26/1992EP0500210A2 Liquid crystal compounds and compositions
08/26/1992EP0500005A1 Process for the preparation of substituted indenes
08/26/1992CA2101445A1 Method of preparation of pilocarpines and intermediates thereof
08/26/1992CA2058126A1 Bromination process
08/25/1992US5142078 Catalytic reaction of aluminum with alcohol to give aluminum alkoxide
08/25/1992US5142056 Human immunodeficiency virus protease inhibitor
08/25/1992CA1306759C Process for removing contaminants from dialkyl ethers of polyalkylene glycols
08/20/1992WO1992013928A1 Liquid-crystal compounds
08/20/1992WO1992013819A1 Process for producing branched dialkyl ethers
08/19/1992EP0499451A1 Synthesis of 1-amino-anthraquinone
08/19/1992EP0499281A1 Dyestuffs for perfluoropolyoxyalkylenes and compositions based on perfluoropolyoxyalkylenes containing such dyestuffs
08/19/1992EP0498817A1 Process for producing fluorinated organic compounds.
08/19/1992CA2061295A1 Process for the preparation of substituted indenes
08/18/1992CA1306470C Method of manufacturing a modified polyhydroxy compound
08/13/1992DE4104126A1 New tri:fluoroalkyl and alkenyl ether(s) - useful as components of liq. crystal media for electro=optical displays
08/13/1992DE4103489A1 Verfahren zur herstellung von verzweigten dialkylethern Process for the preparation of branched dialkyl ethers
08/12/1992EP0498705A1 Phenol ethers derivatives, their preparation and their therapeutical use
08/12/1992EP0497972A1 Chemiluminescent 3-(substituted adamant-2'-ylidene) 1,2-dioxetanes
08/11/1992US5138090 Substituted biphenyls
08/11/1992US5138001 Vinylphenyl compound, process for the production thereof, polymerizable composition containing same, and crosslinked polymer formed therefrom
08/11/1992US5137889 Dihydropyridine derivatives and process for preparing the same
08/06/1992WO1992001675A3 Substituted bicyclic bis-aryl compounds exhibiting selective leukotriene b4 antagonist activity, their preparation and use in pharmaceutical compositions
08/06/1992DE4142519A1 New fluoro-benzene derivs. - useful as components of liq. crystal media for LC and electro=optical display elements
08/06/1992DE4113424C1 Prepn. of tert. tri- or tetra- fluoro derivs. of benzyl alcohol derivs. - from corresp. tetra- or penta- fluoro deriv., obtd. in higher yields with little formation of by-prods
08/05/1992EP0497680A1 Process for the separation of ethyl tert-butyl ether and ethanol
08/05/1992EP0497176A2 Four rings compounds and liquid crystal mixtures containing them
08/05/1992EP0496789A1 Trivinyl ethers of polyols
08/04/1992US5136115 Reacting with chloroalkyl ether and hydrogen bromide using hydrogen sulfate catalyst and no solvent
08/04/1992US5136114 Process for the preparation of geminal diarylalkanes, new geminal diarylalkanes and alk(en)ylated aromatic compounds
08/04/1992US5136107 Process for halogenating aromatic compounds
08/04/1992CA1305957C Phosphonite-and phosphinite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers
07/1992
07/29/1992EP0496548A1 Carbacyclin analogs
07/29/1992EP0496090A2 Process for the separation of a mixture of water, methylethylketone and ethyleneglycol-mono-n-butylether in water and methylethylketone with ethyleneglycol-mono-n-butylether
07/29/1992EP0495917A1 Lipoxygenase inhibitors
07/28/1992US5134211 Hydroxy containing fluorovinyl compounds and polymers thereof