Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
06/1988
06/28/1988US4754089 Separation of phase by permeable membrane
06/28/1988US4754085 Process for the preparation of hydrofluoroalkanes
06/28/1988US4754081 Process for dearylation of alkylenebisphenols and alkyltrisphenols
06/28/1988US4754078 Integrated etherification process with isomerization pretreatment
06/28/1988US4754077 Hindered phenols, methanol, formaldehyde, phenol compound, mannich base catalyst
06/28/1988US4754076 From phenols and cyclopentene or cyclohexene oxide
06/28/1988US4754075 Alkoxylation using calcium catalysts and products therefrom
06/28/1988US4754044 From ketene o,o-acetals and triazole or amidazole, fungicides
06/28/1988CA1238653A1 Phenols and use thereof as stabilisers
06/22/1988EP0272115A2 Optically active liquid crystalline biphenyl compound
06/22/1988EP0271780A2 Substituted 1-benzylsulfonyl-3-heteroaryl(thio) urea
06/22/1988EP0203152B1 Methyl substituted bicyclo ad2.2.1 bdheptane nitriles, process for production of these nitriles and their use as scents
06/22/1988CN86107776A Process for preparation of tetrabromo-bisphenol-a bis (2.3-dibromo-propyl ether)
06/21/1988US4752862 Electronic device
06/21/1988CA1238346A1 Ether recovery
06/16/1988WO1988004286A1 Phase transfer catalysis
06/16/1988WO1988002357A3 Process for the production of alkylene or cyclically linked compounds
06/15/1988EP0271091A1 Method of preparing acetal or ketal
06/15/1988EP0270852A2 Process for the preparation of pure dimethyl ether
06/14/1988US4751332 Treatment of resorcinols with peroxypropionic acid
06/14/1988US4751318 Method of making organic solvent soluble zinc alkoxy alkoxides
06/14/1988US4751019 Liquid crystal compound having methyleneoxy group and composition containing same
06/08/1988EP0269933A1 Process for preparing 2-bromo-1',2'-dichloroperfluoro diethyl ether
06/08/1988EP0116566B1 New d-mannite derivatives as starting products for the synthesis of phospholipids
06/07/1988US4749816 Forming acetal or ketal from olefin and alcohol; peroxide, palladium and copper catalyst present
06/07/1988US4749808 Reacting olefin or olefin oxide with carboxylic acid to produce esters
06/01/1988EP0269029A2 Process for preparing perfluoroethers by fluorination with elemental fluorine
06/01/1988EP0269009A2 Method for the production of carbinol derivatives
05/1988
05/31/1988US4748281 Methyl tert-butyl ether
05/31/1988US4748257 4-fluoro-3-phenoxy-benzaldehyde acetals
05/31/1988CA1237433A1 Cyclopropane carboxylic acid derivatives; process for preparing the same and their use for controlling plant pests; compositions thereof and new intermediates produced
05/25/1988EP0268073A1 Process for the preparation of dihydroxy- and diacyloxydiphenylene
05/24/1988US4746761 High octane gasoline
05/24/1988CA1237127A1 9-substituted carbacyclin analogs
05/19/1988WO1988003436A1 Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes
05/18/1988EP0267627A1 Process for the preparation of halogenated polyethers
05/18/1988EP0267626A1 Process for the preparation of fluorohalogenated ethers starting from fluorooxy compounds and halogenated olefins
05/17/1988US4745234 Hydrogenation of aldehyde in presence of platinum catalyst
05/17/1988CA1236851C ACIDS AND ESTERS OF 5-(2-OPTIONALLY SUBSTITUTED-4- TRIFLUOROMETHYL-6-OPTIONALLY SUBSTITUTED PHENOXY)-2- NITRO,-HALO, OR -CYANO .alpha. SUBSTITUTED PHENYL CARBONYLS, OXIMES AND CARBOXY OXIMES
05/11/1988EP0267136A2 Quaternary ammonium salts used as phase transfer catalysts
05/11/1988EP0266727A1 Process for hydrogenating carbon dioxide and catalyst
05/11/1988EP0266544A1 Process for the preparation of halogenated alcohols
05/11/1988EP0266533A2 Precursors and synthesis of methyl-9-oxo-11 alpha, 16-di-hydroxy-16-vinyl-5-cis-13-transprostadienoates
05/10/1988US4743622 Fluoro compounds
05/10/1988US4743401 Alkanol, cobalt catalyst
05/10/1988CA1236644A1 Method of preparing perfluoropolyethers having regulated molecular weight from the product obtained by photochemical oxidation of c.sub.2f.sub.4
05/10/1988CA1236487A1 Process for producing acetals
05/05/1988WO1988003129A1 Process for preparing alkoxyalkyl-substituted phenols
05/04/1988EP0266047A2 Process for the preparation of gasoline components from olefins
05/04/1988EP0265853A2 Process for the manufacture of perfluoroalkylethylallylethers
05/03/1988US4742077 Fungicides
05/03/1988US4742071 Novel 2-aryl-2-azolylmethyl-1,3-dioxepine fungicides
05/03/1988CA1236117A1 Process for preparing pure fluoral and hexafluoroacetone hydrates from hemiacetals
04/1988
04/27/1988EP0265151A1 Method for the preparation of decabromodiphenyl ether
04/27/1988EP0265150A1 Process for the preparation of decabromodiphenyl ether with improved thermal stability
04/27/1988EP0265030A1 Recovery of propylene glycol mono t-butoxy ether
04/27/1988EP0265017A2 Process for the mutual condensation of aromatic and carbonylic compounds
04/27/1988EP0264435A1 Smectic liquid crystal phases.
04/26/1988US4740638 1,2-dihydroxy-cyclohexa-3,5-diene derivatives
04/26/1988US4740632 Process for removing methanol from alkylation unit feed stream
04/26/1988US4740631 Process for preparing ethers
04/26/1988US4740629 Excess bromine, zirconium halide catalyst
04/26/1988US4740330 Method for allylating aromatic hydroxyl-containing compounds
04/26/1988US4740273 Adding water or diethoxymethane to mixture to move equilibrium to cross critical distillation boundary
04/21/1988WO1988002745A1 Process for producing biphenols
04/21/1988DE3635447A1 Process for the preparation of aliphatic compounds containing 2 to 6 alkoxy groups
04/20/1988EP0264282A1 Recovery of methanol in an MTBE process
04/20/1988CN87106285A 异戊二烯衍生物 Isoprene derivatives
04/19/1988US4739103 Perfluorocycloalkane carbonyl fluorides and their derivatives
04/19/1988CA1235423A1 Polyglycidyl ethers of tricyclodecane and cured epoxy resins therefrom
04/13/1988EP0263100A1 Water aided catechol etherification.
04/12/1988CA1235143A1 Preparation of phenolic ethers
04/07/1988WO1988002360A1 A process for the hydroformylation of sulfur-containing thermally cracked petroleum residua and novel products thereof
04/07/1988WO1988002357A2 Process for the production of alkylene or cyclically linked compounds
04/06/1988EP0262684A2 Conversion of an allylic ether to its corresponding acetal
04/06/1988EP0262388A2 Derivatives of 2-tert.-butyl-4-methyl-cyclohexanol, their preparation and use as fragrance compounds
04/05/1988US4736045 Process for fluorinating ethers
04/05/1988US4735966 Anticoagulants, vasodilators, hypotensive and anticholesterol agents
04/05/1988CA1234836A1 Fluorene derivatives
03/1988
03/31/1988DE3632410A1 Verfahren zur herstellung von alkylen- bzw. ringverknuepften verbindungen A process for preparing alkylene or compounds ringverknuepften
03/30/1988EP0261327A1 Process for the production of trihydroxy- or alkoxyhydroxybenzenes
03/29/1988US4734522 Liquid crystals
03/29/1988US4734516 From aldehyde and zinc compound
03/29/1988US4734417 Lipid- and cholesterol-reducing derivatives of halo-biphenyl primary alcohols
03/29/1988US4734225 D-mannite derivatives as starting products for the synthesis of phospholipids
03/23/1988EP0261073A2 Insecticidal and acaricidal alkane and alkoxy alkane derivatives
03/23/1988EP0260773A2 Process for the preparation of fluoroalkyl perfluorovinyl ethers
03/23/1988EP0260551A2 Isoprene derivatives
03/23/1988EP0260443A2 New monomers and oligomers containing a plurality of vinylbenzyl ether groups, method for their preparation and cured products therefrom
03/16/1988EP0260162A1 Bicyclic aromatic derivatives, process for their preparation and their use as medicines
03/16/1988EP0259818A2 Process for the preparation of perhalohydrocarbon hypochlorites
03/16/1988EP0259417A1 Ruthenium catalyst for biarylic coupling; new steganolides.
03/16/1988CN86105408A Catalytic synthesising of monoterpene ether from natural mordenite
03/15/1988US4731492 Phenol alkylation process
03/15/1988US4731490 Process for methyl, tertiary butyl ether production
03/15/1988US4731489 Process for production of gasoline blending stock
03/15/1988CA1234154A1 Dibenzylphenolic antioxidiants
03/15/1988CA1234144A1 Process for the preparation of glycol derivatives
03/10/1988DE3727793A1 In hohem masse bioabbaubare nichtionische tenside, diese enthaltende waschmittel und deren anwendung Highly biodegradable nonionic surfactants mass, containing these detergents and their application
03/10/1988DE3629233A1 Process for the catalytic reaction of isoolefins