Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/1983
10/25/1983US4412088 Cyclopentadiene derivatives, method for preparing, and use thereof
10/25/1983CA1155869A1 Alkoxylation of cresylic acids
10/19/1983EP0091851A1 Process for preparing aryl ethers carrying different substituents on the two aromatic nuclei
10/18/1983US4410751 Smectite with zirconium oxide intercalation layers
10/18/1983US4410739 Preparation of meta-chlorophenols by selective hydrodechlorination of polychlorophenols
10/18/1983US4410737 Halide ion, acid, noble metal catalyst
10/18/1983US4410734 Optically active phenylpropane derivatives, their preparation and their use for the preparation of fungicides
10/18/1983US4410733 Preparation of acetals of malonaldehyde
10/18/1983CA1155462A1 Process for the preparation of methyl polyethers and methyl polyethers prepared by this process
10/12/1983EP0091426A2 Production of alkoxyalkyl phosphate esters
10/12/1983EP0091425A2 Continuous alkoxidation process
10/12/1983EP0091146A2 Process for the preparation of alkanol alkoxylates
10/12/1983EP0091011A2 Process for the preparation of phenyl ethers
10/11/1983US4409421 Etherification with an alcohol, separation, cleavage and distillation
10/11/1983US4409403 Oxyalkylation process
10/11/1983US4409402 Tert.-butoxybutanals, tert.-butoxybutanols, bis-tert.-butoxypentanals and bis-tert.-butoxypentanols
10/11/1983US4409391 Reacting an polyphenolic alcohol with an aromatic dialdehyde in presence of aromatic boronic acid
10/05/1983EP0090526A1 Substituted dodecahydrotriphenylenes, decahydro-1H-cyclopenta(1)phenanthrenes, decahydro-1H-pyrido(1,2-f)phenanthridines and decahydropyrrolo(1,2-f)phenanthridines as CNS agents
10/05/1983EP0090498A2 Fluorinated polyether and derivatives thereof
10/05/1983EP0090243A1 Process for the production of aromatic ethers and aromatic polyethers
10/05/1983EP0090183A1 Polyhalogenated aromatic compounds
10/04/1983US4408085 Process for preparing sec-butyl alcohol and sec-butyl tert-butyl ether
10/04/1983US4407760 Etherfication of a phenol with chlorodifluoromethane
10/04/1983CA1154780A1 4 - benzyl - and 4 - benzoyl - substituted imidazole derivatives
09/1983
09/28/1983EP0089769A1 9-Substituted carbacyclin analogues
09/27/1983US4406821 Etherification catalyst
09/27/1983US4406780 Separation and oxygen-alkylation of phenols from phenol-containing hydrocarbonaceous streams
09/27/1983CA1154461A1 Process for the preparation of phloroglucinol
09/27/1983CA1154454A1 Surface-active compounds on the basis of arylated fatty substances and their use
09/27/1983CA1154450A1 Benzyl esters with fluorine-substituted ether and/or thioether groups and their use as insecticides
09/27/1983CA1154440A1 Proton-catalysed reactions catalysed by hydrogen ion- exchanged layered clays
09/21/1983EP0089330A2 Preparation of substituted benzylic halides
09/20/1983US4405823 Process for the production of phenols
09/20/1983US4405822 Diisopropyl ether hydration in isopropanol production
09/20/1983US4405816 4,4'-Diphenyl ether-dialdehyde-bis-dimethylacetal
09/20/1983US4405640 Substituted fluorobenzyl cyclopropane carboxylates useful as insecticides
09/20/1983US4405529 Method for the preparation of difluoromethoxyaromatic compounds
09/20/1983US4405497 Catalyst system containing a fluorinated acid and a polyvalent tin compound
09/20/1983CA1154014A1 Proton-catalysed reactions in which water is not a stoichiometer reactant catalysed by metal cation- exchanged layered clays
09/14/1983EP0088383A1 Process for preparing the compound 1-methoxy-6-chloro-hexyne-2
09/13/1983US4404409 Process for preparing methyl tertiary-butyl ether
09/13/1983US4404408 Metal or nonmetal complexes with glycidol, glycerol ethers or glycerol thioethers
09/13/1983US4404407 Process for enhancing the fragrance qualities of ethylene glycol monoaryl ethers
09/13/1983US4404148 Method for the preparation of difluoromethoxyaromatic compounds
09/13/1983CA1153774A1 Cyclohexylbiphenyls, their preparation and use in dielectrics and electrooptical display elements
09/13/1983CA1153770A1 Cumylphenol derivatives
09/07/1983EP0088027A1 Process for the preparation of polyphenol derivatives, derivatives obtained by this process, their use in the preparation of polymers and copolymers, and the copolymers thus obtained
09/07/1983EP0087737A1 Perfluorinated vinyl ethers with a secondary hydrogen atom, their polymers and process for preparing the monomers
09/07/1983EP0087658A1 Process for the catalytic rearrangement of iso-alkenes with simultaneous substantial removal by hydrogenation of acetylene compounds and optionally diolefines
09/06/1983CA1153395A1 Conversion of olefins to mtbe and tame
09/06/1983CA1153354A1 Catalysts for methanol synthesis
08/1983
08/31/1983EP0087237A1 Carbacyclin analogues
08/31/1983EP0086969A2 Selective removal of catechol from 2-methallyloxyphenol
08/31/1983EP0086944A1 Unsaturated ethers, process for their preparation, use of these ethers as fragrances, and flavouring compositions containing these ethers
08/31/1983EP0086822A1 Process for the production of methyl halides and methyl alcohol from methane.
08/30/1983US4401602 Pre- and postemergence herbicides; desiccants; defoliation; plant growth regulators
08/30/1983CA1153014A1 Process for the manufacture of acetals of methyl glyoxal
08/24/1983EP0086745A1 Process for the preparation of a very pure commercial form of 4,2',4'-trichloro-2-hydroxydiphenyl ether
08/23/1983US4400566 Catalyst mixture of a nickel compound and a triarylphosphine
08/23/1983US4400532 Production of trifluoroacetic acid from ethyl acetate
08/23/1983US4400293 Liquid crystalline cyclohexylphenyl derivatives
08/23/1983CA1152510A1 Unsaturated alcohols and their use in the preparation of oxolanes
08/23/1983CA1152260A1 Carpet treatment
08/16/1983US4399313 Cosmetics for hair or skin
08/16/1983US4399301 For hydrogenation and saponification to alcohols for detergents
08/16/1983US4399077 Useful in hair conditioners
08/16/1983US4399075 Process for producing chlorinated phenoxytoluene derivatives
08/16/1983US4399071 Method for making diaryliodonium salts
08/16/1983CA1152094A1 Cyclopropane carboxylic acid esters
08/16/1983CA1152093A1 Cyclopropane carboxylic acid esters
08/16/1983CA1151934A1 Light-sensitive mixture including an o- or p-quinone diazide or acid cleavable compound and a phenol derivative with methylene oxy groups
08/10/1983EP0085167A1 Alkoxylation with calcium and magnesium salts
08/09/1983CA1151675A1 Process for the preparation of an olefinically unsaturated ether
08/02/1983US4396782 Process for producing unsaturated ethers
08/02/1983US4396781 Unsaturated alicyclic ethers
08/02/1983US4396779 Alkanol alkoxylate preparation
08/02/1983US4396776 Process for the production of methyl-blocked ethoxylates
08/02/1983US4396523 Scents in cosmetics and cleaning compounds
08/02/1983CA1151218A1 Process for separating the reaction products obtained from etherifying lower i-olefins with methanol (d 71,200-dta-155-f)
08/02/1983CA1151217A1 Process for conjointly preparing methyl tert-butyl ether and obtaining isobutene
07/1983
07/27/1983EP0084128A1 Process for the preparation of alkylbenzenes substituted by radicals containing fluorine
07/26/1983US4395575 5(Halophenyl)-2-fluoro-pentadienals
07/20/1983EP0083970A1 Use of stabilised pillared interlayered clays as catalysts in reactions capable of catalysis by protons
07/19/1983US4394309 Deacylation, bromination
07/19/1983US4394306 Bromine containing fire retardant compositions of matter
07/19/1983CA1150318A1 Method for manufacturing ethyleneglycol
07/19/1983CA1150299A1 Intermediates in the preparation of cyclopropane-carboxylate esters and process for their manufacture
07/19/1983CA1150297A1 Ethanamine derivatives their preparation and use in pharmaceutical compositions
07/19/1983CA1150296A1 Derivative of 1-phenyl-2-(1,1-dimethyl- 3-phenylpropylamino)-ethanol
07/19/1983CA1150290A1 1-hydrocarbyloxyphenyl-1, 2-diphenylalkene derivatives
07/19/1983CA1150240A1 Process for 3-exomethylenecepham sulfoxides
07/12/1983US4393256 Esterification with inorganic acid, hydrolysis
07/12/1983US4393250 Process for producing alcohols and ethers
07/12/1983US4393249 Catalytic formation of hydrocarbon oxidate
07/12/1983US4393248 Flame retarded halogenated polyol
07/12/1983US4393246 Process for brominating side chain of m-phenoxytoluene
07/12/1983US4393242 Process for preparing methylvanillyl ketone from isoeugenol
07/12/1983US4393221 Process to produce hexahydronaphthacene derivatives
07/12/1983US4392929 Reacting bis(2,3,3-trichloro-2-propenyl)ether with bromide
07/12/1983CA1149821A1 Trichlorophloroglucinol tripropylether, trichlorophloroglucinol triisopropylether, their preparation and hydrolysis to trichlorophloroglycinol