Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1990
10/02/1990CA1274847A1 Process for the extractive separation of a carboxylic acid form an aqueous solution
10/02/1990CA1274844A1 Substituted aminoxy-propanoates
10/02/1990CA1274841A1 Amphilic 4-alkoxypolyethoxybenzoates, their preparation and their use
10/02/1990CA1274840A1 Substituted aminoxy succinates and the use thereof as stabilizers
10/02/1990CA1274824A1 5-aralkyl substituted 2h-benzotriazoles and stabilized compositions
09/1990
09/30/1990CA2013523A1 Resolution of a carboxylic acid
09/30/1990CA2012935A1 Purification and preparation processes for methyl methacrylate
09/27/1990DE3909128A1 Diskontinuierliches verfahren zum fuehren einer heterogen katalysierten reaktion und anlage zum heterogen katalysierten herstellen von produkten Batch process to lead a heterogeneously catalyzed reaction system and connect to the heterogeneously catalyzed by products
09/27/1990DE3909097A1 Anlage und verfahren zum kontinuierlichen herstellen von fettsaeuremonoglyceriden System and process for the continuous manufacture of fatty acid monoglycerides
09/26/1990EP0389269A1 Diesters and their use in waxes
09/26/1990EP0388732A2 Pentasubstituted phenyls
09/26/1990EP0330036B1 Process for the preparation of p-hydroxy-benzaldehydes
09/26/1990EP0203195B1 Fluorine-substituted phenyl benzoates and process for their prep aration
09/26/1990EP0148953B1 7-fluoroprostaglandins and process for their preparation
09/25/1990US4959498 Process for the preparation of monocarboxylic anhydrides
09/25/1990US4959497 Process for the production of water insoluble peroxycarboxylic acids
09/25/1990US4959491 Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
09/25/1990US4959487 Process for producing aromatic nitrile
09/25/1990US4959448 Liquid crystalline side-chain polyesters prepared by polycondensation reactions
09/25/1990US4959419 Polymeric emulsifiers based on aminotelechelic oligomers I
09/25/1990US4959394 Novel Guanidinium aspartates
09/25/1990US4959391 Lipoxygenase inhibitors, leukotriene diseases
09/25/1990US4959381 Adrenergic stimulants
09/25/1990CA1274550A1 Liquid removal enhancement
09/25/1990CA1274548A1 Process for the start-up of a fischer-tropsch reactor
09/25/1990CA1274546A1 Process for production of methyl isobutyl ketone
09/25/1990CA1274545A1 3-(3-iodopropargyloxy)-propionitrile, a process for its preparation and its use
09/25/1990CA1274544A1 Process for the selective hydrogenation of unsaturated compounds
09/25/1990CA1274543A1 Process for the preparation of (-) -benzhydrylsulfinylacetamide and its therapeutical uses
09/25/1990CA1274542A1 Method for separating glycine and l-serine from a solution containing same
09/25/1990CA1274540A1 Functionalized perfluoropolyethers and process for the preparation thereof
09/25/1990CA1274539A1 Carbonylation process for the production of aromatic acids
09/25/1990CA1274538A1 Preparation of carboxylic di-esters or acids
09/25/1990CA1274537A1 Pentaerythritol co-esters
09/25/1990CA1274536A1 Enol ethers and a process for their preparation and o-pyrones and a process for their preparation and the use thereof
09/25/1990CA1274535A1 Method for producing alkenylthiophenols and their esters
09/25/1990CA1274527A1 5-higher alkyl substituted-2h-benzotriazoles and stabilized compositions
09/23/1990CA2012475A1 Diesters and their use in waxes
09/22/1990CA2012572A1 Substituted biphenyls
09/21/1990WO1990011114A1 Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products
09/21/1990CA2050495A1 Discontinuous process for conducting a heterogeneously catalysed reaction and installation for heterogeneously catalysed manufacture of products
09/19/1990EP0388322A1 Preparation of 4-substituted aryl olefins
09/19/1990EP0388197A1 Production of terephthalate esters by degradative transesterification of scrap or virgin terephthalate polyesters
09/19/1990EP0387974A2 Derivatives of 2-halogen cyclopropyl ethane, method for their preparation and their use as pesticides
09/19/1990EP0387674A2 Process for the continuous preparation of an anhydrous mixture of methyl acetate and methanol
09/19/1990EP0387654A2 Methods of producing alkylene glycol monosorbates
09/19/1990EP0254185B1 (Meth)acrylic acid derivatives of tricyclo[5.2.1.02.6]decanes containing urethane groups
09/19/1990EP0223151B1 Process for the selective hydrogenation of unsaturated compounds
09/18/1990US4958045 Enamines, bactericides, animal growth regulators
09/18/1990US4958039 Oil and water repellency, antisoilants for textiles
09/18/1990US4957853 Silver halide color photographic light-sensitive material containing cyan coupler and method for use thereof
09/18/1990US4957815 Rupturable microcapsules
09/18/1990US4957662 Method for purifying fatty acids
09/18/1990CA1274254A1 Production of high (z,z) content 1,5,9- tetradecatriene
09/18/1990CA1274253A1 Method for selective separation of 2,6- dichlorotoluene
09/18/1990CA1274251A1 Process for the hydrocarboxylation of acetylenically unsaturated compounds
09/18/1990CA1274248A1 METHOD OF PREPARING .alpha.-ARYLALKANOIC ESTERS
09/18/1990CA1274246A1 Preparation of 9-alkenyl ester compounds
09/18/1990CA1274245A1 [hexakis(pentenenitrilo)nikel ii] bis-[mu- (cyano) bis(triphenylborane) (i)], its method of preparation and its use
09/18/1990CA1274241A1 Polymers and lubricant additives of alkylene dithiothiadiazoles and alkylene cyanodithioimidocarbonates
09/15/1990CA2012160A1 2-halocyclopropylethane derivatives, processing for their preparation and their use as pesticides
09/12/1990EP0387119A2 Process for the condensation of at least one epoxide with at least one cyclic anhydride in the presence of a catalyst based on at least one nitrogen containing titanium complex
09/12/1990EP0386834A1 Carbonylation catalyst system
09/12/1990EP0386833A1 Carbonylation catalyst system
09/12/1990EP0386572A1 Substituted 2-phenyl-alk(en)-1-yl-cyclopropancarboxylic acid-benzylesters, process for their preparation and their utilization for combatting pests
09/12/1990EP0386120A1 Process for the co-production of aromatic carboxylate and alkyl iodides.
09/12/1990CN1045234A Carbonylation catalyst system
09/12/1990CN1009560B Low phosphorus containing or phosphorus free lubricant compositions
09/12/1990CN1009549B Process for the manufacture of optically active compounds
09/11/1990US4956520 P-xylene separation and purification, crystallization, cooling, washing then melting
09/11/1990US4956512 Procedure for producing poly-alpha-olefine-type lubricants
09/11/1990US4956505 Process for the preparation of 4,4-dimethyl-1-(p-chlorophenyl)pentan-3-one
09/11/1990US4956504 Immunomodulators, antibiotics
09/11/1990US4956496 Process for allylation of perhaloalkyl-, perhaloalkoxy- and perhaloalkylthioanilines in the presence of a catalyst
09/11/1990US4956493 Process for producing methacrylic ester
09/11/1990US4956392 Process for producing methanol or mixed alcohol
09/11/1990US4956387 Substituted hydrazones and fungicides containing these compounds
09/11/1990US4956341 3-tert-butyl-40-methoxycyclohexylmethanol, its preparation and its use as a scent
09/11/1990US4956328 Catalyst for hydrogenation of nitriles, aromatic hydrocarbons, nitro compounds and/or olefins
09/11/1990US4956322 Oxidation resistance, waterproofing protective coatings on isomerization or alkylation catalysts
09/11/1990US4956166 Zeolite L synthesis
09/11/1990US4956124 Bicyclic decanedioic acids, a process for their production, and their use as flotation aids
09/11/1990US4956123 Method for manufacture of fluorine-containing aromatic derivatives
09/11/1990US4956120 Polyarylalkane oligomer compositions and process for their manufacture
09/11/1990US4956052 Extraction water and organic compound mixture
09/11/1990US4956007 Anthelmintics, miticides, fungicides
09/11/1990CA1273962A1 Dehydrogenation process for production of styrene from ethylbenzene comprising low temperature heat recovery and modification of the ethyl-benzene-steam feed therewith
09/11/1990CA1273961A1 Process for producing hydrocarbon fluoride
09/11/1990CA1273956A1 Substituted ¬4.2.0| bicyclooctane derivatives with valuable therapeutic properties
09/11/1990CA1273955A1 Hydroxylamine derivatives and their use as stabilizers
09/11/1990CA1273953A1 Derivatives of 1,1,2,2-tetramethyl-1,2-bis-(2-fluoro- 4-hydroxy-phenyl) ethane
09/11/1990CA1273950A1 Technetium radiodiagnostic fatty acids derived from bisamide bisthiol ligands
09/11/1990CA1273941A1 Process for the preparation of optically active azole derivatives
09/11/1990CA1273925A1 Process for preparing 1,3,5-triazinetriones
09/11/1990CA1273919A1 Prostaglandin derivatives, their preparation and use
09/11/1990CA1273894A1 Process for preparing 3'-halodiphenylethers
09/10/1990WO1990010617A1 Process for producing 2-ethylhexyl-p-methoxycinnamate
09/10/1990CA2047679A1 Process for producing 2-ethylhexyl-p-methoxycinnamate
09/07/1990WO1990010614A1 PRODUCTION OF α-(3-BENZOYLPHENYL)PROPIONIC ACID DERIVATIVE
09/07/1990WO1990009981A1 Preparation of optically active glycerol derivatives