Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
09/1991
09/03/1991US5045226 Reaction product of tin compound with sulfonyl isocyanate, storage stability, polyurethanes
09/03/1991CA1288439C Method of synthesizing esters
09/03/1991CA1288438C Method and composition for inhibiting acrylate ester polymerization
09/03/1991CA1288329C Method for partial condensation of hydrocarbon gas mixtures
08/1991
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
08/28/1991EP0313559B1 Process for the production of aldehydes by hydroformylation
08/28/1991CN1054094A Carboxylate compounds and liquid crystal compositions containing said compounds and liquid crystal element thereof
08/28/1991CN1013670B Synthesis for perfluoroalkyl bromide
08/28/1991CN1013668B Improved catalyst and process for the fluid-bed oxychlorination of ethylene to edc
08/28/1991CN1013647B Catalyst precursors
08/28/1991CN1013645B Conversion catalyst for synthetic gas and its preparation method
08/27/1991US5043519 Process for the production of tertiary olefins by decomposition of alkyl-tert.-alkyl-ethers
08/27/1991US5043510 Aqueous alkylation process
08/27/1991US5043495 Complexing with tertiary diamine compound
08/27/1991US5043485 Process for the hydrogenation of fatty acid methyl ester mixtures
08/27/1991US5043483 With acid catalyst and solvent for selective yield of mono-alkylated product
08/27/1991US5043456 6-oxa and thiabicyclo [3.1.0.] compounds
08/27/1991US5043451 Bicyclo (2.2.1.) hept-exo-2-yl and bicyclo (2.2.2.) oct-endo-2-yl compounds
08/27/1991US5043438 Process for the synthesis of polyol fatty-acid esters
08/27/1991US5043347 Indanes and analgesic compositions and methods thereof
08/27/1991US5043095 For temperature compensation and producing a large twist of helical structures
08/27/1991US5043094 Optically active bisaryl compound
08/27/1991US5043089 P-sulphophenyl alkyl carbonates and detergent compositions and detergent additives containing these compounds
08/27/1991CA1288109C Surfactant
08/27/1991CA1288107C Leukotriene antagonists
08/27/1991CA1288105C Preparation of an allyl amine and quaternary diallyl ammonium compounds therefrom
08/27/1991CA1288104C Amines, their preparation, and their use as fungicides
08/27/1991CA1288103C Sulfur- and nitrogen-containing lubricant additives
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
08/22/1991DE4016076A1 Process for carrying out sonochemical reactions - with continuous flow through ultrasonic appts.
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
08/21/1991EP0441807A1 Liquid phase fluorination.
08/21/1991EP0435952A4 Preparation of sodium diethyl oxalacetate
08/21/1991EP0253838B1 Catalytic method for producing fluoroaromatic compounds using n-sec-alkyl pyridinium salts
08/21/1991EP0252964B1 Catalytic method for producing fluoroaromatic compounds using substituted pyridinium salts
08/21/1991EP0239643B1 Process for oxidizing 2,6-diisopropylnaphthalene
08/21/1991CN1013577B Process for production of glycerol form formaldehyde
08/21/1991CN1013576B Downflow isomerization of exoxides
08/21/1991CN1013552B Process for conducting exothermic reaction
08/20/1991US5041691 Aldol condensation of nitroparaffins
08/20/1991US5041689 Method of recovering L-quebrachitol from rubber latex serums
08/20/1991US5041682 Working up reaction mixtures containing cyclohexanol cyclohexanone and cyclohexyl hydroperoxide
08/20/1991US5041681 Chemical process
08/20/1991US5041678 Cycloaliphatic ketones for use as perfuming and flavoring ingredients
08/20/1991US5041675 Process for preparing 3(4),8(9)-bis(aminomethyl)-tricyclo[5.2.1.02,6 ]d
08/20/1991US5041663 Novel oxime ethers, the preparation thereof, compositions containing them and the use thereof
08/20/1991US5041660 Cimetidine intermediates
08/20/1991US5041656 Preparation process of (meth)acrylamide
08/20/1991US5041655 Reacting alkali dicyandiamide with hexamethylenediammonium salt in alcohol with controlled amount of water and base catalyst
08/20/1991US5041649 Preparation of carbonyl halides
08/20/1991US5041646 Process for producing 2-methyl-2-butenoic acid
08/20/1991US5041642 Preparation of β, γ-unsaturated carboxylic acids
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
08/20/1991US5041636 Urea derivatives
08/20/1991US5041635 5(Z)-7-(endo-3-benzenesulfonamidobicyclo[2.2.1]hept-exo-2-yl)-5-heptenoic acid, sodium salt
08/20/1991US5041632 Process for the preparation of 4,4'-dinitrostilbene-2,2-disulfonic acid
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
08/20/1991US5041619 Process for the preparation of alkoxyalkylidenemalonic acid esters
08/20/1991US5041618 α-arylacrylates and fungicides containing these compounds
08/20/1991US5041616 Preparation of aryl ketones
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
08/20/1991US5041613 Preparation of cyclohexanediones from aldehydes and ketenes
08/20/1991US5041612 1-methylamino-cyclopropane-1-carboxylic acid derivatives
08/20/1991US5041609 Herbicidal (7-(hetero) aryloxynaphthalen-2-yl-oxy)-alkane-carboxylic
08/20/1991US5041607 Sweeteners obtained by cooling solution through conductive heat transfer
08/20/1991US5041606 Process for the O-alkylation of N-(hydroxy)aralkylphenylethanolamines
08/20/1991US5041604 Process for producing di(aryloxy)alkane
08/20/1991US5041283 Cosmetic composition
08/20/1991US5041226 Separating with an agent comprising aliphatic ester of polysaccharide
08/20/1991US5041205 Hydrocarbon/oxygenate conversion using crystalline (metallo) silicates and germinates SUZ-2
08/20/1991CA1287841C Process for producing spergualin-related compounds having phenylene group
08/20/1991CA1287840C Process for preparing alkyl-sulphonyl chlorides and arylalkyl-sulphonylchlorides
08/20/1991CA1287839C PROCESS FOR THE PRODUCTION OF MOBILE PASTES OF WASHING-ACTIVE .alpha.-SULFOFATTY ACID ESTER SALTS OF HIGH SOLIDS CONTENT
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
08/14/1991EP0441708A1 Process for the preparation of terpene ketones
08/14/1991EP0441460A2 Cyclopentadienes, their manufacture and lubricating compositions containing them
08/14/1991EP0441447A1 Carbonylation catalyst process
08/14/1991EP0441446A1 Carbonylation catalyst system
08/14/1991EP0441371A1 Process for preparing haloketo acid derivatives
08/14/1991EP0441260A1 Catalytic carbonylation process
08/14/1991EP0440995A1 Process for preparing 1-octene
08/14/1991EP0301021B1 Amide liquid crystal compounds: mixtures and devices using them
08/14/1991CN1013491B Fluorinated diaminoalkyne derivs
08/14/1991CA2035789A1 Cosmetic composition
08/13/1991US5039728 Stain-resistant plasticizer compositions and method of making same
08/13/1991US5039710 Viricides, antitumor agents
08/13/1991US5039648 Process for the preparation of cobalt catalysts
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