Patents
Patents for C07C 69 - Esters of carboxylic acids; Esters of carbonic or haloformic acids (54,756)
09/1991
09/18/1991EP0446446A2 Process for preparing alpha, beta-unsaturated carboxylic acid ester
09/18/1991EP0446301A1 Preparation of biaryl compounds.
09/18/1991EP0446211A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups.
09/18/1991CN1054585A Making method of triple-ring double easter
09/17/1991US5049699 Regioselective synthesis of mono-alkyl citric acid esters
09/17/1991US5049697 Esterification
09/17/1991US5049676 Chemical intermediates for herbicides
09/17/1991US5049585 Certain 3,3-bis-(difluoro methyl)2,2-dimethyl-cyclopropane carboxylates having insecticidal activity
09/17/1991US5049544 Perfumery composition comprising 2-cyclohexylpropionic acid or its derivative
09/17/1991US5049497 Novel process for the synthesis of the enantiomers of bicyclo(4.2.0)oct-2-en-7-one and derivatives
09/17/1991US5049410 Perflurorpolyether
09/17/1991US5049308 Electrooptics
09/17/1991US5049305 Bleach
09/17/1991CA1289078C Pharmaceutical composition for the treatment of parkinson's disease
09/15/1991CA2038199A1 1,2,5,6-tetrahydropyridin-3-carboxaldehyde oxime derivatives, a process for their preparation and their application as medicaments
09/13/1991CA2037163A1 Hafnium-catalyzed transesterification
09/11/1991EP0446003A1 Flame retardant compounds and compositions containing them
09/11/1991EP0445891A1 Process for preparing organic carbonates
09/11/1991EP0445859A1 Process for obtaining sec-butyl acrylate
09/11/1991EP0445843A2 Process for the preparation of cyclopropanecarboxylic acid derivatives substituted at position 3 by a saturated halogenated chain
09/11/1991EP0445641A1 Ethylenic unsaturated compounds
09/11/1991EP0445278A1 Reduced calorie triglycerides in foods
09/11/1991CN1054420A Preparation of higher alkyl esters of carboxylic acids
09/11/1991CN1013858B Preparation of eicosapentaenoic acid (epa), docosahexenoic acid (dha) and their esters by separation
09/10/1991US5047575 Norbornene carboxylic acids and esters
09/10/1991US5047426 Cyclopentene Derivatives
09/10/1991US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/10/1991US5047377 Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
09/10/1991US5047346 Optically active 3-(2-trifluoro-1-hydroxyethyl)propenyl benzyl ether, derivatives thereof, method for preparing the same and use thereof for liquid crystal compound
09/10/1991US5047228 Nonionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives
09/05/1991WO1991013134A1 Antioxidant glyceride derivatives
09/05/1991WO1991013055A2 New aryl- and heteroarylethenylene derivatives and process for their preparation
09/05/1991WO1991013046A1 Process for separating optical isomers
09/05/1991DE4006520A1 Di:aryl or alkyl carbonate prodn. from alkyl carbonate - using polymeric hydroxy-stannoxane as ester exchange catalyst for high activity and selectivity
09/05/1991DE4006404A1 Phenolic hydroxy-contg. liq. crystalline ester or ether-amide cpds.
09/04/1991EP0445025A2 Alkaline earth metal salts of oxa-polyacids, process for their preparation and pharmaceutical compositions containing them
09/04/1991EP0444829A2 Immunosuppressive compounds
09/04/1991EP0444770A1 Novel polyoxyalkylene ester compounds and octane requirement increase-inhibited motor fuel compositions
09/04/1991EP0444742A1 Ester/alcohol synthesis
09/04/1991EP0444293A1 Process for the preparation of carbonic acid diesters containing at least one aromatic ester group
09/04/1991EP0444292A2 Easy fluoring polyamide moulding compositions
09/04/1991EP0444265A2 Process for the metathesis of olefins and functionalized olefins
09/04/1991EP0444264A2 Catalysts for the metathesis of olefins and functionalised olefins
09/03/1991US5045622 Polycarbonate polyol, aromatic polycarbonate polyurethane resin, coating agent, cast film, magnetic recording medium
09/03/1991US5045586 Lubricants for thermoplastic resins
09/03/1991US5045229 Liquid crystals
09/03/1991CA1288439C Method of synthesizing esters
09/03/1991CA1288438C Method and composition for inhibiting acrylate ester polymerization
08/1991
08/29/1991DE4005819A1 Poly:glycerine fatty acid ester mixts. - for use as emulsifiers for water-in-oil cosmetic and pharmaceutical emulsions
08/28/1991EP0443956A1 Lactic acid acylates, their salts, process of preparation and compositions containing them
08/28/1991EP0443370A2 Dental materials
08/28/1991EP0443198A2 Diterpenes with immunomodulatory activity
08/28/1991EP0442887A1 Recovery of dialkyl naphthalene-2,6-dicarboxylates from naphthalene-2,6-dicarboxylic acid-containing polyesters
08/28/1991CA2036920A1 Oxa-polyacid alkaline-earth metal salts; process for preparing the same and pharmaceutical compositions containing them
08/27/1991US5043438 Process for the synthesis of polyol fatty-acid esters
08/27/1991US5043179 Triol triester derivatives as low calorie fat mimetics
08/27/1991US5043095 For temperature compensation and producing a large twist of helical structures
08/27/1991CA1288109C Surfactant
08/27/1991CA1288107C Leukotriene antagonists
08/27/1991CA1288093C CHIRAL ESTERS OF .alpha.-SUBSTITUTED PHENYLALKANOIC ACIDS AND MESOGENIC HYDROXY COMPOUNDS, AND THEIR USE AS A DOPING SUBSTANCE IN LIQUID CRYSTAL PHASES
08/23/1991CA2036846A1 Lactic acid acylates and their salts; process for preparing the same and compositions containing them
08/22/1991DE4005159A1 Use of new and known sugar-substd. di:terpene(s) - as immuno:modulator(s), esp. for stimulating T-cells
08/21/1991EP0442754A2 Reagents and methods for stereospecific fluoromethylation
08/21/1991EP0442708A2 Cosmetic composition
08/21/1991EP0442495A1 Process for preparing highly substituted phenyls
08/21/1991EP0442306A2 (4E-cyclohexyl-3-butenyl)phenyl derivatives
08/21/1991EP0442172A1 Oxime derivatives and Herbicides containing the same as an active ingredient
08/21/1991EP0441876A1 Non-bioaccumulable pesticides.
08/21/1991EP0441807A1 Liquid phase fluorination.
08/21/1991EP0435952A4 Preparation of sodium diethyl oxalacetate
08/21/1991EP0422120A4 Polymerizable surfactant
08/21/1991EP0239643B1 Process for oxidizing 2,6-diisopropylnaphthalene
08/20/1991WO1991012227A1 Aromatic oligomer and production thereof
08/20/1991US5041639 Polysubstituted derivatives of naphtalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
08/20/1991US5041638 Alkenoic acid derivatives
08/20/1991US5041623 Continuous liquid phase processing of alkanol, ethylene, carbon monoxide in presence of carbonylation catalyst; product removed in vapor stream
08/20/1991US5041621 Process for the preparation of dihydroxy esters
08/20/1991US5041620 Method for producing optically active 2-cyclopenten-4-one-1-ol esters, 2-cyclopenteno-4-one-1-ol ester and complexes thereof with optically active 1,6-diphenyl-2,4-hexadiyne-1,6-diol
08/20/1991US5041619 Process for the preparation of alkoxyalkylidenemalonic acid esters
08/20/1991US5041618 α-arylacrylates and fungicides containing these compounds
08/20/1991US5041615 Forming insoluble salt by reacting aromatic hydroxy acid and aliphatic dicarboxylic acid halide in ketone or nitrile solvent with 2,6-lutidine, separation and acidification of salt
08/20/1991US5041614 Method for the preparation of 4-acetoxystyrene
08/20/1991US5041611 Reacting organometallic compound with (thio)carbonyl halide
08/20/1991US5041610 Resorcyclic acid lactone derivatives as animal growth promotants
08/20/1991US5041609 Herbicidal (7-(hetero) aryloxynaphthalen-2-yl-oxy)-alkane-carboxylic
08/20/1991US5041516 Macromolecules
08/20/1991US5041461 Nervous system disorders; thiophene-2-carboxyamide derivatives
08/20/1991CA2074252A1 Aromatic oligomer and process for preparing the same
08/20/1991CA1287838C Process for the preparation of unsaturated carboxylate esters
08/20/1991CA1287834C Cyclohexenone derivatives
08/18/1991CA2036480A1 Diterpenes having immunomodulatory action
08/16/1991CA2034720A1 Process for preparing highly substituted phenyls
08/15/1991WO1991011989A1 LIGHT-RESISTANT FILTERING COSMETIC COMPOSITION CONTAINING A UV-A FILTER AND AN ALKYL β, β-DIPHENYLACRYLATE OR AN ALKYL α-CYANO-β, β-DIPHENYLACRYLATE
08/14/1991EP0441457A2 Preparation of higher alkyl esters of carboxylic acids
08/14/1991EP0441447A1 Carbonylation catalyst process
08/14/1991EP0441446A1 Carbonylation catalyst system
08/14/1991EP0441371A1 Process for preparing haloketo acid derivatives
08/14/1991EP0440930A2 Process for the debromination of 2-substituted-5-bromo-6-methoxynaphthalenes
08/14/1991DE4103741A1 New beta-keto-ester(s) with sterically-hindered phenol Gps. - useful as thermo-oxidative and/or light stabilisers for organic materials esp. polymers, elastomers, lubricants etc.
08/14/1991CA2035789A1 Cosmetic composition