Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
06/1991
06/11/1991US5023379 Process for the preparation of hydroxyamines
06/11/1991US5023370 Fluorinated carboxy sulfonates
06/11/1991US5023365 Process for preparing an intermediate
06/11/1991US5023364 Phenoxyalkylcarboxylic acid derivatives and process for their preparation
06/11/1991US5023363 Antiinflammatory agent, antiallergens, skin disorders, vision defects
06/11/1991US5023358 Vanadyl organo-mineral compound, method for obtaining such a compound, pharmaceutical composition containing this organo-mineral compound
06/11/1991US5023356 Forming charge transfer complex with electron donating compound
06/11/1991US5023342 Cyclic sulfate compounds
06/11/1991US5023277 Syngas conversion catalyst its production and use thereof
06/11/1991US5023273 6-oxoprostaglandin E derivatives, process for their production and their pharmaceutical use
06/11/1991US5023268 Therapy for cerebral edema
06/11/1991US5023232 Mixtures of bicyclic ethers and fragrance compositions containing same
06/11/1991US5023226 Ruthenium supported catalyst, its preparation and its use in the preparation of substituted or unsubstituted cyclohexylamine and substituted or unsubstituted dicyclohexylamine
06/11/1991US5023057 Carbon particles travelling on a carrier surface reacted with fluorine diluted with an inert gas; continuous processing; nonflammable
06/06/1991DE4038138A1 Purifying di:methyl terephthalate by recrystallisation from methanol - washing moist crystals, drying by melting and evapn. of methanol and recycling wash liq. and part of mother liquor
06/06/1991CA2031429A1 Process for the preparation of vinyl acetate
06/05/1991EP0430579A2 Fluoroaliphatic-group-substituted esters and method of making the same
06/05/1991EP0430434A2 Process for the preparation of fluoroaromatic and fluoroheteroaromatic compounds
06/05/1991EP0429800A2 Process for preparing unsaturated carboxylic acid ester
06/05/1991EP0429692A1 Continuous process for preparing metallic soaps
06/05/1991EP0429618A1 Reactive compounds containing perfluorocyclobutane rings
06/05/1991CN1012733B Process for the preparation therapeutic agents and their use
06/05/1991CN1012732B Gen-dihalo-1, 8-diamino-4-aza-octanes
06/04/1991US5021605 Trifluorobenzene compounds
06/04/1991US5021603 Thiuram polysulfide production
06/04/1991US5021602 Monomers for condensation polymers
06/04/1991US5021593 Ruthenium-optically active phosphine complex
06/04/1991US5021581 Fungicides
06/04/1991US5021570 Aqueous solution containing fat-soluble vitamin K
06/04/1991US5021567 8-hydroxyquinoline chelating agents
06/04/1991US5021458 Amine derivatives and fungicides containing the same
06/04/1991US5021414 Phenol derivatives
06/04/1991US5021191 Ferroelectricity display elements; extremely small redution in crystal temperature region
06/04/1991US5021174 Compounds useful as detergent additives for lubricants and lubricating compositions
06/04/1991CA1284665C Process for hydroxymethylation
06/04/1991CA1284662C Phenol alkylation process
06/04/1991CA1284661C Reduction of organic sulfur compounds
06/04/1991CA1284658C Process for the carbonylation of ethylenically unsaturated compounds
06/04/1991CA1284656C PROCESS FOR THE PREPARATION OF ESTERS OF .alpha.-ETHYLENICALLY UNSATURATED ALCOHOLS AND .alpha.-ETHYLENICALLY UNSATURATED CARBOXYLIC ACIDS
06/04/1991CA1284655C Catalytic process for production of alkoxylated esters
06/04/1991CA1284654C ¬4.2.0|bicyclooctane derivatives with valuable therapeutic properties
06/04/1991CA1284653C Instant adhesive composition utilizing calixarene accelerators
06/04/1991CA1284651C Pharmaceutical compositions containing 5-phenyl-1, 3- dioxoalkenyl compounds
06/04/1991CA1284646C Cytoprotective derivatives useful in ischemic diseases, their preparation and compositions containing them
05/1991
05/30/1991WO1991007385A1 Preparation of propenoic acid derivatives
05/30/1991WO1991007373A1 New derivatives of 3,3,5-trimethylcyclohexanol methyl-2 propionate, preparation method and therapeutical compositions containing them
05/29/1991EP0429123A1 Compositions from alpha,beta-unsaturated dicarboxylic acid esters and olefinically unsaturated compounds which are particularly suitable for use as lubricants and lubricant additives and a process for the preparation of such compositions
05/29/1991EP0428979A2 Carbonylation of allylic butenols and butenol esters
05/28/1991US5019657 Process for the preparation of halophenols
05/28/1991US5019655 Method of preparing 4-dichlorophenyl-1-tetralones
05/28/1991US5019654 Fluorinated tertiary butylamines
05/28/1991US5019593 Antifungal fermentation products and compositions thereof
05/28/1991US5019299 Process for the manufacture of wax-like esterification products
05/28/1991US5019296 Bleach stabilizer, builders
05/28/1991CA1284512C PROCESS FOR DIMERIZING .alpha.-OLEFINS
05/28/1991CA1284511C Conversion of methane to higher hydrocarbons
05/28/1991CA1284510C Xylene isomerization
05/28/1991CA1284507C Melphalan derivatives
05/28/1991CA1284501C Phenyl carbamates
05/28/1991CA1284495C Chlorination of carbohydrates and other alcohols
05/28/1991CA1284491C Procedure for separating lignin and phenol from phenol solutions
05/28/1991CA1284487C Supported metal catalysts and use thereof
05/28/1991CA1284486C Hydrogenation catalyst shapes
05/22/1991EP0428506A2 Zeolite L
05/22/1991EP0428392A2 Optically active compounds having plural chiral centers and the production thereof
05/22/1991CN1051549A Adsorptive separation of para-xylene using tetralin desorbent
05/21/1991US5017721 Process for the preparation of oxalyl- and oxamyl-hydrazides
05/21/1991US5017720 Iron salt esterification catalyst, phenothiazine and alkylphenol preservative
05/21/1991US5017719 Esters of arylbisperfluoroalkylcarbinols, and a process for the preparation of these compounds
05/21/1991US5017611 Ethyl-3-(2-ethyl-2,2-dimethylhydrazinium)-propionate salts to treat arrhythmia
05/21/1991US5017608 Hydrocinnamic acid derivatives
05/21/1991US5017606 Insecticides, miticides
05/21/1991US5017480 Process for recovering L-amino acid from fermentation liquors
05/21/1991US5017290 Separation agent comprising acyl- or carbamoyl-substituted polysaccharide
05/21/1991CA1284336C Amido substituted naphthalenes and intermediates thereof
05/21/1991CA1284329C [(2,3,9,9a-tetrahydro-3-oxo-9a-substituted-1h-fluoren-7-yl) oxy] ethanimidamides and [(2,3,9,9a-tetrahydro-3-oxo-9a- substituted-1h-fluoren-7-yl) oxy]-ethanimidic acid hydrazides,their derivatives and their salts
05/16/1991WO1991006525A1 Process for the production of polybasic acid esters with recovery of boron trifluoride
05/16/1991DE3937287A1 Continuous sepn. of fatty acid mono:glyceride from mixed glyceride(s) - by countercurrent extn. with supercritical carbon di:oxide in 2 packed columns in series, with higher gas pressure in second column
05/15/1991EP0427396A2 Process for producing optically active fluorine-containing 3-hydroxybutyric acid esters
05/15/1991EP0427062A2 Process for the production of methyl formiate
05/15/1991EP0426846A1 Fluorinated-aromatic sulfonic acid catalyst, process for its production, and its use
05/15/1991EP0259468B1 Cyclodextrinclathrates of carbacycline derivatives and their use as medicinal drugs
05/15/1991EP0247201B1 Propane-1,3-diol derivatives, a method for their production and a pharmaceutical composition
05/15/1991CN1051312A Oligomerization catalyst to alpha-olefins
05/15/1991CN1051310A Method for maintaining activity of zeolite catalysts
05/14/1991US5015792 Preparation of 4,4'-dibromobiphenyl
05/14/1991US5015769 Hair dyes formed by reaction of an alcohol with a phenol in the presence of a strong base for etherification followed by amination
05/14/1991US5015764 Separation of racemic mixtures by forming a salt solution with an organic base followed by treatment with a chiral organic nitrogenous base and precipitation
05/14/1991US5015763 N-methyl-α-dialkylamioacetohydroxamic acid compound
05/14/1991US5015762 Alkoxy substituted ureas as herbicides
05/14/1991US5015761 Esters and alcohol derivatives of dimethyltricyclo(6.2.01.6)un decanes as perfumes
05/14/1991US5015760 Process for the preparation of glyoxylic acid and glyoxylic acid derivatives
05/14/1991US5015759 Esterification with organotin, organotitanium and organozirconium compounds as catalysts
05/14/1991US5015758 Reaction of acyloxyadamantane with a receptor compound in a solvent and in the presence of sulfuric acid
05/14/1991US5015756 Ammoxidation of alkenes to form unsaturated nitriles
05/14/1991US5015755 9-anthrylalkyl compounds
05/14/1991US5015752 Thiuram polysulfide
05/14/1991US5015745 Ketalization, sulfonylation, amination and diazotization to form a demethoxydaunomycinone
05/14/1991US5015625 Methylenecyclohexane Carboxylates
05/14/1991US5015418 Acyl malate diesters