Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/1988
10/18/1988US4778933 Process for making decabromodiphenyl oxide
10/18/1988US4778765 Method of determining viscosity number during the oxidative coupling reaction of phenols to form polyphenylene ethers
10/18/1988US4778675 Perfluorinated surface-active oligomers, process for their preparation and compositions containing these oligomers
10/12/1988EP0285980A2 Perfumes and compositions containing them
10/11/1988US4777185 Phenyl phenoxyphenyl propenyl cyclopropane pesticides
10/11/1988CA1243025A1 Homocyclic derivatives
10/06/1988WO1988007523A1 Acetylene derivatives as components of liquid crystal phases
10/06/1988WO1988007516A1 Ethine derivatives as compounds of liquid crystal phases
10/06/1988WO1988007514A1 Tolanes
10/06/1988WO1988007513A1 Improved vapor phase bromination of aromatic compounds
10/06/1988WO1988007512A1 Process for preparing iodinated aromatic compounds
10/06/1988WO1988007511A1 Processes for isomerizing and oxidative iodinating aromatic compounds
10/06/1988WO1988007510A1 Liquid phase isomerization of iodoaromatic compounds
10/06/1988WO1988007509A1 Process for preparing iodinated substituted aromatic compounds
10/06/1988DE3709609A1 Process for the preparation of phenols having fluorine-containing substituents
10/05/1988EP0285004A1 Process for the preparation of dimethyl ether
10/04/1988US4775653 Alkoxylated alcohol, calcium compound and organoaluminum compound
10/04/1988US4775447 Process for the production of 2,2-dimethoxypropane
10/04/1988CA1242750A1 Preparation of dimethyl ether by catalytic dehydration of methanol
10/04/1988CA1242647A1 Pharmaceutically acceptable composition containing cyclopropane carboxylic acid derivatives
09/1988
09/28/1988EP0284397A1 Lithiated clays and uses thereof
09/28/1988EP0284237A1 Production of substituted acetylenic compounds
09/28/1988EP0283979A2 Ethinyl cyclohexene derivatives
09/28/1988EP0283862A1 Process for the removal of ethylene oxide and/or prolylene oxide from surface-active derivatives
09/27/1988US4774365 Etherification, deetherification, distillation azeotropic mixture
09/27/1988US4774364 Integrated alkylation/alkyl tertiary-alkyl ether synthesis process
09/27/1988US4774316 Copolymer of vinylbenzyl ether of polyhydric halogenated phenolic compound and aromatic polycyanate ester compound
09/21/1988EP0283411A1 Process for chlorinating phenolic compounds
09/21/1988EP0283309A2 1,2-1,4 Addition reaction sequence leading to diphenylacetylenes
09/21/1988EP0283298A2 Purification of polyols prepared using double metal cyanide complex catalysts
09/21/1988EP0283139A2 Anticancer compounds
09/21/1988EP0282914A2 Process for preparing chlorinated olefins
09/21/1988EP0282542A1 Process for the production of alkylene or cyclically linked compounds.
09/21/1988EP0192766B1 Ethynylphenoxy and ethynylthiophenoxy derivatives of diphenylhexafluoropropane
09/20/1988US4772756 From salifying the corresponding acyl fluoride
09/20/1988US4772755 1,2-1,4 addition reaction sequence leading to disubstituted acelylenes
09/20/1988CA1242220A1 Process for the preparation of addition products of epoxides and hydroxylated compounds
09/14/1988EP0282056A2 Naphthalene anti-psoriatic agents
09/14/1988EP0282006A1 Naphtalene anti-psoriatic agents
09/14/1988CN87101306A Composition technology of 2-isopropoxy phenol
09/07/1988EP0281399A2 Arylhydroxide alkylation process
09/07/1988EP0263100A4 Water aided catechol etherification.
09/06/1988US4769497 Process for the synthesis of 2,2-dialkoxy-propanes
09/06/1988US4769464 Process for the preparation of monocarbonyl or biscarbonyl compounds
09/06/1988CA1241633A1 Phosphite-ruthenium promoted - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers
09/06/1988CA1241632A1 Ruthenium-promoted cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers
08/1988
08/31/1988EP0280419A2 Optically active-2-substituted-propyl ether and liquid crystal composition
08/31/1988EP0280403A1 Process for dearylation of alkylenebisphenols and alkyltrisphenols
08/31/1988EP0280383A1 Process for intermediates for insecticidal compounds
08/31/1988EP0280312A2 Microemulsions based on three immiscible liquids, comprising a perfluoropolyether
08/31/1988EP0280223A2 Polyacetals, process for their fabrication from dialdehydes and polyolacids, and use of polyacetals
08/31/1988EP0280145A2 Alkaline earth metal salts of vicinal hydroxy-substituted C16-C22 fatty acids, process for their manufacture and their applications as alkoxylation catalysts
08/31/1988CN88100991A Process and intermediates for preparation of insecticidally active compounds
08/30/1988US4767846 Production of polymeric polyols
08/25/1988WO1988006179A1 Polymer materials
08/24/1988EP0279629A2 1,2-Propanediol derivatives
08/24/1988EP0279531A2 Process and intermediates for the preparation of insecticidally active compounds
08/24/1988EP0279436A1 3-Tert. butyl-4-methoxy-cyclohexyl methanol, its production and its use as an odoriferous substance
08/23/1988US4766253 Reacting phenolate with dichlorobenzene in presence of copper catalyst and aprotic solvent cocatalyst
08/23/1988CA1241026A1 Process for producing 3-phenoxybenzyl 2-(4- alkoxyphenyl)-2-methylpropyl ethers
08/17/1988EP0278665A2 2-Substituted-alkyl ether and liquid crystal composition
08/17/1988EP0278384A2 Alcohols and ethers with cyclododecyl and cyclododecenyl groups, their preparation and use as parfuming agents
08/17/1988EP0278211A1 Process for the manufacture of p-substituted o-benzylphenols
08/16/1988CA1240706A1 Process for the preparation of 4,4'-dihydroxydiphenyl ether
08/11/1988WO1988005809A1 Propoxylated guerbet alcohols and esters thereof
08/10/1988EP0277815A2 Optically active-2-alkoxy-propyl ether and liquid crystal composition
08/09/1988US4762953 Peroxidation of dihydroxybenzene
08/09/1988US4762935 Precursors and synthesis of methyl-9-oxo-11α,16-dihydroxy-16-vinyl-5-cis-13-trans-prostadienoates
08/03/1988EP0276238A1 Hexasubstituted cyclohexane compounds
08/02/1988US4761504 Integrated process for high octane alkylation and etherification
08/02/1988CA1239941A1 Solvent composition for the removal of acid gas from gas mixtures at subfreezing temperatures
07/1988
07/27/1988EP0276051A2 Antineoplastic compounds
07/27/1988EP0276030A1 Process for the preparation of o-isopropoxyphenol
07/27/1988EP0275893A2 Mixed formals of polyalkoxyethers
07/27/1988EP0275528A1 Process for preparing 1,1-disubstituted ethylene derivative
07/27/1988EP0275489A1 Benzaldehyde derivatives, their preparation and application
07/27/1988EP0275400A1 Process for the preparation of substituted dihydroxybenzenes
07/26/1988US4760210 Exothermic partial oxidation of hydrocarbonaceous gas and oxygen
07/26/1988US4760195 Free-radical addition reaction
07/26/1988US4760193 Process for the preparation of polyene aldehydes
07/26/1988US4760174 Tetralin derivatives, their preparation and their use
07/26/1988US4760160 Preparation of 3-cyano-4-fluorophenol
07/26/1988US4760087 Phenol derivatives and pharmaceutical compositions containing these compounds
07/21/1988DE3700606A1 Process for the preparation of alkyl n-butyl ether
07/20/1988EP0275208A2 Process for removing methanol from alkylation unit feed stream
07/20/1988EP0274664A1 Norbornene derivatives of phenols
07/20/1988EP0274600A1 Process for the production of alkoxy-butenynes
07/20/1988EP0274465A1 Aryl-diethers
07/19/1988US4758373 Carbocyclic compounds
07/13/1988EP0274419A2 Preparation of polyether compositions
07/12/1988US4757145 Fluoropolyethers containing end groups endowed with anchoring capacity
07/12/1988US4757044 Containing actinides and phosphorus, silicon, arsenic, titanium, zirconium, boron, cobalt, copper, or tin, and tungsten, molybdenum, or vanadium
07/06/1988EP0273521A1 A process for the preparation of an alkanol akoxylate product
07/06/1988EP0273409A1 Nitrohaloalkoxybenzenes, processes for their preparation and their use
07/05/1988US4755625 Preparation of 1,1,2-trialkoxyethanes
07/05/1988US4755567 Perfluorination of ethers in the presence of hydrogen fluoride scavengers
07/05/1988CA1238924A1 Polyethers
06/1988
06/30/1988DE3642845A1 Process for the preparation of dimethyl ether and catalyst used for this purpose
06/29/1988EP0272644A2 Intermediates and their use in the synthesis of organic compounds
06/29/1988EP0272580A2 Liquidcrystalline cyclohexylbenzene derivatives their manufacturing and novel nematic admixtures containing same