Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
03/1988
03/09/1988EP0259105A2 Proton catalysed reactions
03/09/1988EP0258695A1 Polyfunctional vinylbenzyl ethers of polyhydric halogenated phenolic compoundsand copolymer compositions containing them
03/09/1988CN87105707A Insecticidal and acaricidal alkane and alkoxy alkane derivatives
03/08/1988US4730046 Preparation of aryl halides
03/02/1988EP0258190A2 Process for preparing aromatic ethers and thioethers
03/02/1988EP0257921A2 New 1,3-diaryl cyclopentanes and derivatives thereof as paf antagonists
03/02/1988EP0257828A1 Dipropargyloxybenzene compounds and their production
03/02/1988EP0257609A2 Novel substituted (4.2.0)Bicyclooctane derivatives with valuable therapeutic properties
03/02/1988EP0257503A1 Process for the production of optically active hydroquinone derivatives and d-alpha-tocopherol
03/02/1988EP0257445A1 Process for the preparation of 1,1,2-trialkoxyethane
03/02/1988EP0257049A1 Chiral compounds.
02/1988
02/25/1988WO1988001262A1 Vinylbenzyl ethers of polyhydric halogenated phenolic compounds
02/25/1988WO1988000940A3 Hexasubstituted cyclohexane compounds
02/24/1988EP0256307A1 Optically active compounds having biphenyl skeleton, liquid crystal composition and switching element containing them
02/24/1988EP0256097A1 Vinyl compounds and liquid crystal phase.
02/23/1988US4727199 Of acitve hydrogen compounds
02/23/1988US4727187 Catalytic fluorination of dichloroalkyl phenyl ether
02/23/1988CA1233186A1 Aromatic polyvinyl ethers and heat curable molding compositions obtained therefrom
02/18/1988DE3627777A1 Process for regenerating a detergent
02/16/1988USRE32606 Process for the complete bromination of non-fused ring aromatic compounds
02/16/1988US4725342 Photochemical dimerization and functionalization of alkanes, ethers, primary alcohols and silanes
02/11/1988WO1988000940A2 Hexasubstituted cyclohexane compounds
02/11/1988DE3625713A1 Hexasubstituierte cyclohexanverbindungen Hexasubstituted cyclohexane
02/09/1988US4724269 Process for producing p-chlorobenzenes
02/09/1988US4724097 Liquid crystals
02/03/1988EP0255452A1 Process for chlorinating phenolic compounds
02/03/1988EP0255236A2 Fluorine-containing chiral smectic liquid crystals
02/03/1988EP0255098A1 Novel 8-(lower alkyl) bicyclo [4.2.0] octane derivatives with valuable therapeutic properties
02/03/1988EP0254976A1 Process for the preparation of vinyl ethers
02/02/1988US4723005 Containing polarized cyano or halogen substituents
02/02/1988US4722978 Allyl terminated macromolecular monomers of polyethers
02/02/1988CA1232288A1 Alcohol amine alkoxylates
01/1988
01/27/1988EP0254590A2 Aryl-di(thio)ether derivatives as antitumoral pharmaceutical compounds
01/27/1988EP0254496A2 Improved process for converting methanol to alkyl ethers
01/27/1988EP0254400A1 Process for the production of acetals or ketals
01/27/1988CN87102455A 二苯基醚衍生物 Diphenyl ether derivatives
01/26/1988US4721820 Process for the isomerization of allylic ethers
01/26/1988US4721819 Process for the preparation of higher allylic ethers
01/26/1988US4721818 Purification of polyols prepared using double metal cyanide complex catalysts
01/26/1988US4721817 Polymerization of alkylene oxide stopped by alkanol with phosphorous acid and aluminum alcoholate catalyst jmiu,u,
01/26/1988US4721816 Preparation of nonionic surfactants
01/26/1988US4721795 Fluoropolyethers containing end groups endowed with anchoring capacity
01/26/1988US4721729 Novel carbacyclins, process for the preparation thereof, and their use as medicinal agents
01/26/1988CA1231961A1 Preparation of cyclobutene substituted aromatic hydrocarbons
01/20/1988EP0253679A2 Improved process for production of gasoline blending stock
01/20/1988EP0253637A2 Improved tertiary olefin process
01/20/1988EP0253485A2 Cyclic dihydroxy compounds
01/19/1988US4720556 3-oxabicyclo-(3,1,0)-hexan-2-ones
01/19/1988US4720527 New functionalized perfluoropolyethers and process for the preparation thereof
01/19/1988CA1231724A1 Catalytic preparation of dimethyl ether
01/14/1988WO1988000178A1 Aryl-diethers
01/13/1988EP0252592A1 Halogenated diphenyl ether derivatives
01/13/1988EP0252305A2 Use of avarone and avarol and derivatives thereof for the preparation of a pharmaceutical composition for the control of adult T-cell leukemia/lymphoma
01/13/1988EP0252304A2 Use of avarone and avarol and derivatives thereof for the preparation of a pharmaceutical composition for the control of AIDS and ARC
01/13/1988EP0252284A1 2,6-Dimethyl-para-benzoquinone tetraalkyl ketals
01/13/1988EP0252144A1 Antitumor cyclohexanone compositions and derivatives thereof
01/13/1988CN87103507A Preparation of propargyloxybenzene derivatives and fungicides containing propargyloxybenzene derivatives
01/12/1988US4719032 Cyclohexane derivatives
01/07/1988EP0251469A2 Method for converting substances
01/07/1988EP0251408A1 Novel anti-inflammatory agents, pharmaceutical compositions and methods for reducing inflammation
01/07/1988EP0251284A2 Process for the preparation of Cotelomers of vinylidene fluoride with fluorinated olefins
01/07/1988EP0251164A2 New chiral phosphinopyrrolidine compounds and their use for asymetric synthesis of optically active compounds
01/07/1988EP0251092A1 Process for the synthesis of 2,2-dialkoxy-propanes
01/05/1988US4717776 Bromination process
01/05/1988US4717720 Benzonaphthalene derivatives and compositions
12/1987
12/30/1987WO1987001698A3 1,4-naphthalenediol and 1,4-hydroquinone derivatives
12/29/1987US4716251 Diaryloxyalkane bromination process
12/29/1987CA1230888A1 Polyanionic compositions derived from aromatic ethers of polyglycerol
12/23/1987EP0250360A2 Substituted benzyl-cyclopropyl-methyl-ethers
12/23/1987EP0250168A1 Production of glycol ethers
12/23/1987EP0250122A2 Production of cells
12/22/1987US4714788 Selective etherification, hydrogenation, decomposition
12/22/1987US4714787 Preferential products by contacting reactants with beta type zeolites
12/22/1987US4714786 For skin disorders, mucous membranes, rheumatism
12/22/1987US4714785 Method for converting organic chloroformate to the corresponding organic chloride
12/22/1987CA1230615A1 Process for the manufacture of methyl t-butyl ether
12/22/1987CA1230614A1 Process for separating methanol from the reaction products obtained in the etherification of c.sub.4 through c.sub.7 isoolefins with methanol
12/22/1987CA1230612A1 Process for the synthesis of o-isopropoxyphenol
12/16/1987EP0249567A2 Propargyloxybenzene derivatives, their preparation and fungicidal compositions containing them
12/16/1987EP0249352A1 The production of ethers using layered or pillared clay catalysts
12/16/1987EP0249257A1 Preparation of aryl halides
12/16/1987EP0249053A1 Process for the preparation of alkylaryl ethers
12/16/1987EP0248931A1 Process for producing p-chlorobenzenes
12/16/1987EP0248879A1 Synthesis of aryloxypropanolamines and arylethanolamines
12/16/1987EP0248861A1 Dispirotetradecane.
12/08/1987US4711968 Process for the hydrofomylation of sulfur-containing thermally cracked petroleum residua
12/03/1987WO1987007260A1 Process for the synthesis of methyl-tert-alkyl ethers with suppression of corrosion
12/03/1987WO1987007259A1 Process for preparing alkyl-tert-butyl ethers
12/03/1987DE3718144A1 Prodn. of methyl tert.-butyl ether and alkylate premium gasoline
12/02/1987EP0247234A1 Process for the manufacture of acetals of chloro- or bromoacetaldehyde
12/02/1987EP0247233A1 Process for the manufacture of chloro- or bromoacetaldehyde dialkyl acetals
12/01/1987US4710316 Aldehydes, acetals, alcohols and ethers having 3-methyl- or 3,5-dimethyl-benzyl groups, their manufacture and perfume materials containing same
12/01/1987US4710315 Anisotropic compounds and liquid crystal mixtures therewith
11/1987
11/25/1987EP0246612A2 Lubricating oil composition
11/25/1987EP0246245A1 1,4-naphthalenediol and 1,4-hydroquinone derivatives
11/24/1987US4709101 Process for the production of methyl ethers from branched monoolefins
11/24/1987US4709100 Bromination of 3-phenoxytoluene
11/24/1987US4709081 Process for the preparation of diphenyl ether derivatives
11/24/1987US4709055 Intermediate for tocopherol(vitamin e)
11/24/1987US4709030 4-alkenyl or 2z-alkenyl polyphenyl compounds; electro-optics