Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
07/1981
07/07/1981US4277326 Formation of metal phenate followed by reaction with organic halide or sulfate
07/07/1981CA1104589A1 Alcohols
07/01/1981EP0031252A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays
07/01/1981EP0031199A1 Substituted benzyl esters of cyclopropane carboxylic acids and their preparation, compositions containing them and methods of combating insect pests therewith, and substituted benzyl alcohols
06/1981
06/30/1981US4276055 Formation of dialkyl acetals, primary alcohol
06/30/1981CA1104159A1 Chlorination of meta-phenoxytoluene
06/24/1981EP0030761A1 Anisotropic cyclohexyl ethers
06/23/1981US4275251 Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof
06/23/1981CA1103689A1 Complexed compounds of inorganic salts, proton-acids or ansolvo-acids with 1,2,3-triols, glycerol monoethers or glycerol monothioethers and the preparation thereof
06/17/1981EP0030397A1 Process for the preparation of methyl polyethers and methyl polyethers prepared by this process
06/16/1981US4273943 Process for preparing methylvanillyl ketone from isoeugenol
06/16/1981US4273864 Color photographic light-sensitive materials
06/09/1981US4272823 Control system for a reactor
06/09/1981US4272629 Novel prostaglandin intermediates
06/02/1981US4271160 Substituted morpholine derivatives and pharmaceutical compositions
05/1981
05/27/1981EP0029259A1 A method of preparing tricycloundecane derivatives, these compounds and a perfume composition containing at least one of them
05/26/1981US4270009 1,4-Bis-[(2-propynyloxy)-methyl] cyclohexane
05/26/1981US4270008 2-Propyl-pent-4-en-1-al
05/26/1981US4270005 Analgesics
05/26/1981CA1101880A1 Manufacture of acetals
05/26/1981CA1101866A1 Herbicidally active substituted diphenyl ether derivatives, processes for their manufacture and herbicidal compositions containing them, and their use for selective weed control
05/20/1981EP0028824A1 Method for controlling the temperature differential across a reaction zone in the manufacture of methyl t-butyl-ether
05/19/1981US4268693 3-Hydroxydiphenyl ethers
05/19/1981US4268692 1,9-Dihydroxyoctahydrophenanthrenes and intermediates therefor
05/19/1981US4268523 Analgesics
05/13/1981EP0028377A1 Process for the preparation of a mixture essentially consisting of iso-butene oligomers and methyl-t-butyl ether, its use and fuels containing such a mixture
05/12/1981US4267393 In the presence of a sulfonated ion exchange resin catalyst
05/12/1981US4267388 Process for producing ethynylbenzenes
05/12/1981US4267382 Antitumor agents; skin disorders
05/12/1981US4267378 2,2-Dialkoxy-6-chlorocyclohexanones
05/12/1981US4267363 Wherin said intermediates are acyclic ether compounds
05/12/1981CA1100999A1 Process for preparing 2-allyl phenol
05/06/1981EP0028023A1 Apparatus and method for controlling the reactor temperature profile and the reactants feed stream
05/05/1981US4266082 From 3-bromo-4-fluorotoluene and sodium or potassium phenolate in the presence of a copper catalyst
05/05/1981US4265890 6-Phenyl thio- and 6-cyclohexyl thio-2,3,4,5-tetrahydro-1H-3-benzazepines
05/05/1981US4265889 Dopaminergic, hypotensive
05/05/1981US4265817 Novel chiral ethers and their use in resolution of alcohols and phenols
04/1981
04/28/1981US4264769 Process for the preparation of hydroxyphenyl ethers
04/28/1981US4264484 Antisoilants comprising an addition polymer and a fluorine containing compound
04/21/1981US4263466 Coupling of aryl and heteroaryl mono chlorides
04/21/1981US4263462 Process for the preparation of unsaturated ethers
04/21/1981US4263461 As glass transition temperature-lowering diluents for phenylquinoxaline oligomers
04/21/1981US4263449 Process for producing alcohols
04/21/1981US4263212 Reacting an olefin with an aromatic or furan compound using a rhodium carbonyl complex catalyst
04/21/1981US4263037 5-Cyano-2,3-dihydrobenzofurans useful as herbicides
04/21/1981CA1099748A1 Method for preparation of ethers
04/21/1981CA1099709A1 5-(quaternary alkyl) resorcinol preparation and intermediates therefor
04/14/1981US4262149 Solvent extraction with isoolefin
04/14/1981US4262146 Production of aliphatic ethers
04/14/1981US4262145 Novel etherification process
04/14/1981US4262021 Antiviral amine and amidine derivatives of glycerol and propanediols
04/14/1981US4261928 2-Benzoyl-8-(2-chloro-4-methoxyphenoxy)-1-phenyl-1-octanone
04/14/1981US4261922 Process for alkoxylation of phenols
04/14/1981US4261920 3-Phenoxy-fluoro-benzyl alcohol intermediates
04/08/1981EP0026547A1 Process for the preparation of basic salts of alkaline earth metals
04/08/1981EP0026546A1 Process for reaction of epoxides with organic compounds having an active hydrogen
04/08/1981EP0026544A1 Process for preparing basic salts of barium
04/08/1981EP0026505A1 7,8-Substituted-1-phenyl-2,3,4,5-tetrahydro-1-H-3-benzazepines
04/07/1981CA1098903A1 Preparation of vincadifformine
04/01/1981EP0026041A1 A method for producing olefins and/or ethers of high octane number
04/01/1981EP0025961A1 Process for the production of 1,2-diols containing a higher number of carbon atoms
04/01/1981EP0025883A1 Electrochemical process for the preparation of 4-tert.-butoxy-benzaldehyde-dialkylacetals, their use and 4-tert.-butoxy-benzaldehyde-dimethylacetal
04/01/1981EP0025843A1 Preparation of monoalkyl ethers of hydroxyphenols and their transformation into hydroxycumaranes
04/01/1981EP0025829A1 Process for the preparation of alkyl chlorides
03/1981
03/31/1981US4259533 From tertiary olefin and methanol in presence of heteropoly acid catalyst
03/31/1981US4259498 Arylation with a hydroxy-protected carbocyclic grignard reagent or lithium compound
03/31/1981US4259339 Cyanoaralkylheterocyclic compounds
03/31/1981CA1098547A1 Etherification processing of light hydrocarbons
03/31/1981CA1098546A1 Process for the preparation of ethylene glycol- dimethylether (dimethyl glycol)
03/24/1981US4258218 Composite catalyst
03/24/1981US4258207 Cyclopropanecarboxylate pesticides preparation
03/24/1981US4258205 Chemical intermediates for pesticidally active cyclopropane carboxylates
03/24/1981US4258061 Interferon induction in animals by amines
03/24/1981US4257953 Reacting phthalimide with phenol derivative and alkali hydroxide
03/18/1981EP0025302A1 Alpha-mono(methyl-branched alkyl) glyceryl ether and a skin care cosmetic composition containing the same
03/18/1981EP0025240A1 A process for the preparation of an olefinically unsaturated ether
03/17/1981US4256907 Saponification of a cyclopropane substituted ester with an alkali and reacting such salt with a benzyl chloride
03/17/1981US4256644 Chemical intermediates in the preparation of oxepane compounds
03/17/1981US4256465 Passing isobutylene and methyl alcohol reactants through a fixed bed, strongly acidic ion exchange resin
03/17/1981CA1097668A1 1,9-dihydroxyoctahydrophenanthrenes and intermediates therefor
03/17/1981CA1097667A1 Benzo-furan derivatives
03/11/1981EP0024829A1 4-Benzyl- and 4-benzoylimidazole derivatives, processes for their preparation and pharmaceutical compositions comprising the same
03/11/1981EP0024806A1 Preparation of alkyl glyceryl ether alcohols
03/11/1981EP0024624A2 4-Fluoro-3-phenoxy-benzaldehyde acetals, process for their preparation and intermediate products therefor
03/11/1981EP0024612A2 New 4-fluoro-3-phenoxy-benzyl-ethers, process for their preparation and their use
03/11/1981EP0024532A1 Tert. butoxybutanales and butanoles and bis-tert. butoxy-pentanales and pentanoles, their production and their use as perfumes
03/11/1981EP0024472A1 Compositions for diminishing the oil/water interface tension and process for their preparation
03/10/1981US4255426 1-(2-Hydroxy-3-n-alkoxypropyl)-4-substituted-piperazines and piperidines
03/10/1981CA1097309A1 Crystalline zeolite zsm-34 and method of preparing the same
03/03/1981US4254288 Catalytic dehydrogenation
03/03/1981US4254287 Removal of catalyst from ethoxylates by centrifugation
03/03/1981US4254280 Cyclopropane derivative
03/03/1981US4254276 Process for the preparation of phenolic ethers
03/03/1981US4254216 Color photographic material
03/03/1981CA1096889A1 Separation of isobutene from refinery streams
02/1981
02/24/1981US4252985 Process for the preparation of o-methallyloxyphenol by the selective monoetherification of pyrocatechol
02/24/1981US4252624 Bromination of m-ethyldiphenyl ether
02/18/1981EP0024019A1 Process for the production of 4-fluoro-3-phenoxy-toluene
02/17/1981US4251546 Process for killing internal helminths using certain 1,1-bis-(2-substituted-3-nitrophenyl)alkane or alkylene derivatives
02/17/1981CA1095735A1 Herbicidal compositions