Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
06/1988
06/21/1988CA1238328A1 Azolyl-tetrahydrofuran-2-ylidene-methane derivatives
06/20/1988EP0259450A4 Process for the preparation of tribromotetramethylbiphenol and related compounds.
06/16/1988WO1988004291A1 Process for the preparation of organo n-hydroxyimidates
06/16/1988WO1988004287A1 Process for the production of glycerol from formaldehyde
06/16/1988WO1988004286A1 Phase transfer catalysis
06/16/1988WO1988002357A3 Process for the production of alkylene or cyclically linked compounds
06/16/1988DE3741302A1 Verfahren zur herstellung eines katalysators und ein verfahren fuer die oligomerisierung A process for the preparation of a catalyst and a process for oligomerization
06/16/1988DE3641605A1 Process for the synthesis of acetals of formyl acetates
06/15/1988EP0271462A2 Peresters, their preparation and use as polymerization initiators
06/15/1988EP0271446A1 Substituted hydroxylamines and compositions stabilized therewith
06/15/1988EP0271385A1 Polymers having nitrogen functions derived from unsaturated polyesters, and their use as additives for lowering the flow point of middle distillate hydrocarbons
06/15/1988EP0271371A1 Process for the extractive separation of a carboxylic acid from an aqueous solution of said acid
06/15/1988EP0271368A1 Polysulfurized olefin compositions, their preparation and their use as lubricant additives
06/15/1988EP0271307A2 Method for producing alkenylthiophenols and their esters
06/15/1988EP0271240A2 Fluorobenzyl esters
06/15/1988EP0271225A2 Indene derivatives and methods
06/15/1988EP0271212A2 Process for preparation of carboxylic acid ester containing fluorine
06/15/1988EP0271182A1 Alumina catalyst for catalytic production of methyl isobutyl ketone from acetone
06/15/1988EP0271161A2 Process for purifying oxalic acid diamide
06/15/1988EP0271147A1 Process for isomerization of a hydrocarbon feed stream
06/15/1988EP0271145A2 Process for the carbonylation of conjugated dienes
06/15/1988EP0271144A2 Process for the carbonylation of acetylenically unsaturated compounds
06/15/1988EP0271143A2 Process for removing phosphine impurities from higher olefins
06/15/1988EP0271139A1 Process for producing carboxylic acids
06/15/1988EP0271093A1 Method of producing formamide compounds
06/15/1988EP0271092A1 Method of reducing nitrile into a corresponding alcohol
06/15/1988EP0271091A1 Method of preparing acetal or ketal
06/15/1988EP0271023A2 Use of dihydrophenylamino-acid derivatives and medicines containing them for immunomodulation and cytostasis
06/15/1988EP0271013A2 Basic substituted phenyl acetonitriles, their preparation and medicaments containing them
06/15/1988EP0270999A1 Process for the separation of aldehydes from alpha, beta-olefinic unsaturated carboxylic acids
06/15/1988EP0270971A2 Substituted benzamides
06/15/1988EP0270970A2 Process for preparing 3,5 dichloro-2,4 difluoronitrobenzene
06/15/1988EP0270965A2 Process for the preparation of substituted 3,5-dichloro-2,4-difluorobenzenes
06/15/1988EP0270964A2 Process for obtaining substituted fluorobenzenes
06/15/1988EP0270956A1 Process for the synthesis of perfluoroalkandienes
06/15/1988EP0270953A1 Preparation of anhydrous alkanesulfonic acid
06/15/1988EP0270947A2 Substituted basic 2-aminotetralines
06/15/1988EP0270929A2 Substituted aminomethyl-5,6,7,8-tetrahydronaphthyl-oxy-acetic acids, intermediate products, process for their preparation and their use in pharmaceuticals
06/15/1988EP0270906A1 Diisocyanates and diisocyanate mixtures, process for their preparation and their use in the preparation of polyurethane plastics
06/15/1988EP0270852A2 Process for the preparation of pure dimethyl ether
06/15/1988EP0270843A1 4-Hydroxy-4-(substituted alkenyl)-cyclohexane carboxylic acid
06/15/1988EP0270841A2 2-Methyl-3-(para-methyl-phenyl) propionitrile, its preparation and use as a perfuming agent
06/15/1988EP0270830A1 Method for regulating plant growth using polysubstituted butyric acids, esters and derivatives thereof
06/15/1988EP0270804A1 Process for the preparation of finely divided polyisocyanates containing urea groups
06/15/1988EP0270759A2 Process for the preparation of 4,4,8,8,10-pentamethyl-10-cyano-bicyclo[4.4.0]-1,6-decen-2-one
06/15/1988EP0270724A1 Preparation of alkyl trifluoroacetoacetate
06/15/1988EP0270659A1 Layered metal oxides containing interlayer oxides and their synthesis.
06/15/1988EP0270595A1 An optically active reagent and a method for the determination of enantiomeric amine compounds.
06/15/1988CN87108109A Improved aldehyde hydrogenation catalyst and process
06/15/1988CN87107284A Process for carbonylation of conjugated dienes
06/15/1988CN87107279A Process for carbonylation of acetylenically unsaturated compounds
06/15/1988CN87106930A Methods for preparing group ii metal overbased sulfurized alkylphenols
06/15/1988CN87105309A Method for preparing methanol
06/15/1988CN87104753A Process for preparation of diphenylpropylamine derivatives and their salts
06/14/1988US4751340 Selective production of para-aromatics
06/14/1988US4751332 Treatment of resorcinols with peroxypropionic acid
06/14/1988US4751326 Process for producing benzophenone-azine
06/14/1988US4751325 Process for the purification of carnitine
06/14/1988US4751324 For metals in aqueous systems
06/14/1988US4751323 Novel polyaromatic cyanates
06/14/1988US4751322 Using activated carbon
06/14/1988US4751318 Method of making organic solvent soluble zinc alkoxy alkoxides
06/14/1988US4751303 Benzoquinone derivatives and production thereof
06/14/1988US4751298 Production of 1-(3-hydroxy-propyl)-1,4-diazepane and 1,4-bis(3,4,5-trimethoxy-benzoyloxy)-propyl-diazepane derivatives thereof
06/14/1988US4751248 Multistage catalysts zones of cobalt and copper and oxides of cobalt, copper, magnesium, and zinc
06/14/1988US4751245 Antifungal derivatives of N-(6,6-dimethyl-2-hepten-4-ynyl)-1-naphthalenemethanamine and method of using same
06/14/1988US4751240 Phenol derivatives
06/14/1988US4751027 Process for the preparation of perfluorocarboxylic acids
06/14/1988US4751019 Liquid crystal compound having methyleneoxy group and composition containing same
06/14/1988US4751015 Quaternary ammonium or phosphonium substituted peroxy carbonic acid precursors and their use in detergent bleach compositions
06/14/1988US4750978 Method for oxidizing groups to carboxylic acids under basic conditions
06/14/1988CA1238055A1 Dehydration of 2,5-dimethyl-2,5-hexanediol
06/08/1988EP0270489A1 Anionic cyclo-diylidene compounds, their preparation and their use in detergents as shade dyestuffs
06/08/1988EP0270481A1 Process for the preparation of optically active carbacyclin intermediates
06/08/1988EP0270468A2 Process for preparing a mixture containing cyclohexanol and cyclohexanone from cyclohexane
06/08/1988EP0270293A1 Substituted 3-nitrobenzenesulfonamides useful as adjuncts in radiation therapy
06/08/1988EP0270292A2 Radiation sensitizers
06/08/1988EP0270106A1 Process for reducing aromatic compounds having NO double bonds
06/08/1988EP0270095A2 Packing material for liquid chromatography
06/08/1988EP0270007A2 Process for producing vinylchloride monomer by pyrolysis of 1,2-dichloroethane
06/08/1988EP0270006A1 Efficient cis-to-trans isomerization of 1, 4-dihalobutene-2
06/08/1988EP0270002A2 Cyclohexenone derivatives
06/08/1988EP0269985A2 1-Aryloxy-3-amino-2-propanols, their preparation and use
06/08/1988EP0269964A2 Method for the production of aldehydes
06/08/1988EP0269940A2 Surface active agent and process for preparing the same
06/08/1988EP0269933A1 Process for preparing 2-bromo-1',2'-dichloroperfluoro diethyl ether
06/08/1988EP0269916A1 Saccharin salts of substituted hydroxypropylamines
06/08/1988EP0269899A2 Use of aromatic carboxylic-acid amides
06/08/1988EP0269888A1 Aldehyde hydrogenation catalyst and process
06/08/1988EP0269840A2 Method for the preparation and purification of mercaptan-terminated prepolymers, and their use
06/08/1988EP0269718A1 Catalytic vapor phase process for producing dihydrocarbyl carbonates.
06/08/1988EP0269656A1 Novel malonic acid derivative compounds and compositions thereof for retarding plant growth.
06/08/1988EP0269650A1 Synthesis of antiulcer compounds
06/08/1988EP0116566B1 New d-mannite derivatives as starting products for the synthesis of phospholipids
06/08/1988CN87108064A Process for producing polysulfide and used catalyst system
06/08/1988CN87108011A Pharmacologically active compounds, methods for the preparing thereof and compositions containing same
06/08/1988CN87104311A Improved method using transition metal complex catalyst
06/07/1988US4749818 Synthesis of cis-9-tricosene
06/07/1988US4749814 Process for the preparation of ethylenic carbonyl compounds
06/07/1988US4749813 4-alkyl-2-trifluoromethylanilines