Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/1982
10/06/1982EP0062005A1 Process for the manufacture of styrene and/or stilbene derivatives
10/06/1982EP0061668A1 Process for the preparation of a polytetramethylene ether glycol or diester glycol with a lower colour number
10/05/1982CA1133013A1 Process for the preparation of aryl-ethers
09/1982
09/29/1982EP0061304A1 Three dimensional interstitial catalyst support, its manufacture and use
09/29/1982EP0061004A1 3-Bromo-4-fluorobenzaldehyde and its acetals, and process for their preparation
09/28/1982US4351950 Anti-arteriosclerotic agents
09/28/1982CA1132615A1 Preparation of alkyl glyceryl ether alcohols
09/28/1982CA1132564A1 Preparation of 2-isopropylamino pyrimidine
09/22/1982EP0060523A1 Process for removing hydroperoxides and aldehydes from allyl-alkyl ether
09/21/1982US4350824 Process for the preparation of 1,1-dichloro-alkenes
09/21/1982CA1132284A1 Thermally stable, flame-retardant polymers and selected oligomers useful therein
09/16/1982WO1982003073A1 Process for introducing substituent to p-position of phenols
09/14/1982US4349567 Dihalovinylcyclopropanecarboxylic acid esters and their use in pest control
09/14/1982US4349487 Process for forming ethers
09/14/1982US4349464 Alkali metal hydroxide extraction of aluminum from aluminum-zinc-copper alloy
09/14/1982CA1131663A1 Process for the preparation of ethers from the reaction of olefins on alcohols
09/14/1982CA1131662A1 Process for the preparation of tertiary alkyl ethers
09/08/1982EP0059594A1 Method of recovering polyether polyols from polyurethane
09/08/1982EP0059373A1 Process for the preparation of benzyl alcohols
09/08/1982EP0059372A1 Process for the preparation of 4-tert.-butoxybenzyl alcohol
09/08/1982EP0059365A2 3-Bromo-4-fluoro-benzyl derivatives, and methods for their preparation
09/07/1982US4348538 Imines, glyocylic acids, benzoyl cyanides
09/07/1982US4348393 N-Aryl oxazolidinones, oxazolidinethiones, pyrrolidinones, pyrrolidines and thiazolidinones
09/07/1982CA1131255A1 Process for the selective monoetherification of pyrocathechol
09/07/1982CA1131206A1 Aluminum - modified silica and its uses as catalyst
09/01/1982EP0058987A1 Process for the preparation of guaiacol glyceryl ether
09/01/1982EP0058928A1 Preparation of acetals derived from malonic aldehyde
08/1982
08/25/1982EP0058512A1 Liquid crystal compounds exhibiting a small dielectric anisotropy and liquid crystal materials and devices incorporating such compounds
08/25/1982EP0058173A1 Process for the synthesis of aryloxy derivatives.
08/24/1982US4346246 Dehalogenation, hydrogenation, reaction with alcohol
08/24/1982US4346244 Preparation of chloroalkoxybenzenes
08/24/1982US4346040 Process for converting an aldehyde into an alkene, in particular furfural into furfurylidenes
08/24/1982US4346023 Process for the preparation of novel unsaturated macrocyclic ketones
08/24/1982CA1130322A1 Method for the dehalogenation of ethers
08/17/1982US4345102 Ether interchange between, ethylene glycol and ethylene glycol, di-tert-butyl ether
08/17/1982US4344961 Insecticidal benzylfurylmethyl esters of 3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropane carboxylic acids
08/17/1982US4344789 Acids and esters of 5-(2-optionally substituted-4-trifluoromethyl-6-optionally substituted phenoxy)-2-nitro, -halo, or-cyano alpha substituted phenyl carboxy oximes, and method of controlling weeds with them
08/17/1982CA1129892A1 Process for adjusting the halogen content of halogenated aliphatic ethers
08/17/1982CA1129891A1 Process for preparing and isolating methyl tert-butyl ether
08/17/1982CA1129889A1 Bromine-containing oligomeric ethers and process for their production
08/17/1982CA1129859A1 N-aryle oxazolidinones, oxazolidinethiones and pyrrolidinones, their process of preparation and their application in therapeutics
08/11/1982EP0057533A1 Process for preparing an ether having tertiary alkyl group
08/11/1982EP0057443A1 Fluorine-containing compounds, and their preparation and use
08/11/1982EP0057321A1 Processes for substitution of aromatic organic compounds
08/10/1982US4343796 2,3-Bis-hydroxybenzyl-derivatives
08/10/1982CA1129424A1 Synthesis of haloperidol
08/05/1982WO1982002548A1 Partial oxidation system
08/03/1982US4342686 Intermediates for preparing 6-lower alkyl-7,8-dihydroxy-1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepines
08/03/1982CA1128942A1 Substituted propanolamine and morpholine derivatives and process for their preparation
07/1982
07/27/1982US4341908 By intramolecular cyclization of a hologen containing cyclohexane
07/27/1982US4341906 1,9-Dihydroxyoctahydrophenanthrenes
07/27/1982US4341905 Inorganic halide salt catalysts for hydroxyalkylation of phenols or thiophenols
07/27/1982US4341069 Method for generating power upon demand
07/27/1982CA1128552A1 Process for the simultaneous manufacture of pure mtb and a substantially isobutene-free mixture of c.sub.4-hydrocarbons
07/27/1982CA1128525A1 3-alkyl-5-(2-hydroxy-styryl)-isoxazoles and their preparation
07/20/1982US4340765 4-Phenoxy-2-butene derivatives as plant growth regulators
07/20/1982CA1128058A1 Process for the preparation of ethers with organic residues carrying chiral atoms and application to dividing alcohols, phenols and lactonic structure compounds
07/20/1982CA1128054A1 Use of acetals and vinyl ethers as aldehyde generators
07/13/1982US4339616 Amine salts as catalysts
07/13/1982US4339612 Preparation of 3,3-dimethyl-1-phenoxy-butan-2-ols as fungicide intermediates
07/13/1982US4339462 Antimicrobial 3-hydroxydiphenyl ethers
07/13/1982CA1127621A1 Coupling of aryl and heteroaryl mono chlorides
07/07/1982EP0055514A1 Preparation of glycols and ethers
07/07/1982EP0055427A1 Process for the production of monochloromethyl ketones
07/07/1982EP0055361A1 Process for the simultaneous preparation of alkyl tert.-butyl ether and recovery of butadiene
07/06/1982US4338469 8-Methoxy-p-menthane
07/06/1982US4338468 Intermediates for insecticides
07/06/1982US4338457 Composition and process
07/06/1982US4338333 Ethanamine derivatives their preparation and use in pharmaceutical compositions
06/1982
06/30/1982EP0055198A1 Process for the synthesis of metachlorophenols
06/30/1982EP0055196A1 Process for the synthesis of metachlorophenols
06/30/1982EP0055108A1 Process for producing an acetal
06/30/1982EP0055045A1 Production of ethers
06/30/1982EP0054699A2 Method for the catalytic hydrogenolysis of para-substituted benzaldehyde-dimethyl acetals into the corresponding benzylmethyl ethers
06/30/1982EP0054698A1 4,4'-Diphenyl ether-dialdehyde-bis-dimethyl acetal, and a method for its preparation
06/29/1982US4337366 Method for the preparation of ethers
06/29/1982US4337360 Process for preparing methylvanillyl ketone from isoeugenol
06/29/1982US4337211 Intermediates for ion exchange resins
06/29/1982CA1126739A1 Dibenz (b,f) oxepin and dibenzo (b,f) thiepin derivatives processes for the preparation, method of use, and composition thereof
06/23/1982EP0018393B1 Process for the production of oxygenated products from olefinically unsaturated compounds by hydroformylation with suppression of olefin hydrogenation
06/22/1982US4336407 Catalytic distillation process
06/22/1982US4336406 Polyol extraction by high boiling alkanes
06/22/1982US4336270 O-benzylphenols
06/22/1982US4336268 Cyclohexene derivative analgesics
06/22/1982US4336266 Insecticidal 2,2-dimethyl-3-(2',2'-dihalovinyl)-cyclopropane carboxylic acid 3-halophenoxy-α-vinylbenzyl esters
06/16/1982EP0053979A2 Cyclopentanol derivatives, their preparation, their application as perfume agents, the compositions in which these products are incorporated, and the intermediates obtained
06/16/1982EP0053884A1 Three dimensional interstitial catalyst supports, its manufacture and use
06/16/1982EP0053716A1 Terpene ethers, their production and use, and perfume compositions containing them
06/15/1982US4335255 Alkyl perfluoro (2-methyl-5-oxo-3-oxahexanoate)
06/15/1982US4335253 Preparation of dihalovinyl compounds
06/15/1982US4335248 Fluorinated polyenes
06/15/1982US4335055 Process for the preparation of alkenylbenzene derivatives or alkenylnaphthalene derivatives
06/15/1982US4335022 Reaction with aluminum hydride; acid catalysts
06/15/1982US4334964 Tertiary alcohol side stream, distillation, stripping, circulation
06/15/1982US4334890 Catalytic hydration of tertiary olefin and etherification with alkanol
06/15/1982CA1125775A1 Total synthesis of the utero-evacuant substance d,l-zoapatanol
06/15/1982CA1125728A1 Catalytic distillation process and catalyst
06/08/1982US4334105 By contacting with an amine hydrogen donor
06/08/1982US4334103 Catalytically active polyether chains
06/08/1982US4334102 Mixing with an aqueous salt solution at low temperature
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