Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
01/1990
01/02/1990US4891200 Omega type zeolite having high thermal stability, its process of preparation and its utilization
01/02/1990US4891155 Preparation of alkyl aryl sulfonate concentrates having low viscosity
01/02/1990CA1264164A1 Process for making monocarboxylic anhydrides
01/02/1990CA1264160A1 Amides, their preparation, and pharmaceuticals containing same
12/1989
12/28/1989WO1989012619A1 Carbonylation process for preparation of aromatic carboxylic esters and an alkyl iodide
12/28/1989WO1989012616A1 TaX5 CATALYZED HYDROFLUORINATION OF HALOGENATED ALKANES
12/28/1989DE3821629A1 Process for the preparation of fatty acid phenyl esters
12/27/1989EP0348309A1 Process for the preparation of vinyl acetate
12/27/1989EP0348292A1 Catalytic process for the dimerisation, codimerisation or oligomerisation of olefines using an autogeneous thermal regulation fluid
12/27/1989EP0348254A2 Process for the preparation of norpyrethroid compounds
12/27/1989EP0347888A2 Silicone oil recovery
12/27/1989EP0347693A1 Benzonitriles, benzaldehydes and benzyl alcohols, and processes for their production
12/27/1989EP0347690A2 Process for manufacturing benzene derivatives, and benzene derivatives
12/27/1989EP0347679A1 1,7-Dioxynaphthalene derivatives
12/27/1989EP0347677A1 Process for the production of aryloxy-chlormethanes
12/27/1989EP0347621A1 Process for the removal of hydrogen fluoride from isobutyric acid or its alkyl esters
12/27/1989EP0347500A1 Method of making ethylbiphenyls
12/27/1989EP0347463A1 Method of obtaining pentaerythryl-tetrakis-¬3-(3,5-ditert.butyl-4-oxyphenyl)propionate
12/27/1989CN1038277A Synthesis of n-t-alkyl-1,2-diacylhydrazines
12/27/1989CN1038273A Process for prepn. of cyclohexanol and/or cyclohexanone
12/27/1989CN1038271A Process for prodn. of mono-olefins by catalytic oxidative dehydrogenation of gaseous paraffinic hydrocarbons
12/27/1989CN1006224B New functionalized perfluoropolyethers and process for the prepn.
12/27/1989CA1264050A1 Carrier-supported catalyst for making monocarboxylic anhydrides
12/26/1989US4889957 Dinuclear and water-soluble rhodium complexes and hydroformylation catalysis therewith
12/26/1989US4889953 Antitumor and -carcinogenic agents; platelet activating factor antagonist; cardiovascular disorders
12/26/1989US4889952 Oxidation, ctalysis; chemical intermediates
12/26/1989US4889950 Esterification of carboxylic acid with low boiling alcohols; cyclic process
12/26/1989US4889949 Catalyst composed of palladium source, organophosphorus compound and hydracid
12/26/1989US4889946 Phenoxybenzoic acid compounds and herbicidal and plant growth regulant compositions
12/26/1989US4889939 Lubricants
12/26/1989US4889883 Use of phenol-mercaptocarboxylic acid esters as stabilizers for synthetic elastomers
12/26/1989US4889872 2,3,5,6-Tetrafluorobenzyl (+) 1r-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate
12/26/1989US4889871 Alkoxy-substituted dihydrobenzopyran-2-carboxylate derivatives
12/26/1989US4889870 2-(2,2-Difluorocyclopropyl)alkyl esters, processes for their preparation and their use as insecticides and acaricides
12/26/1989US4889851 Bone disorders
12/26/1989US4889656 Surfactants
12/26/1989US4889554 Herbicides
12/20/1989EP0347380A1 Process for the preparation of 4-Bromoaniline-hydrobromide
12/20/1989EP0347340A1 Process for the preparation of diesters of hexenedioic acid
12/20/1989EP0347216A2 Insecticidal N'-substituted-N-alkylcarbonyl-N'-acylhydrazines and N'-substituted -N-acyl-N'-alkylcarbonyl hydrazines
12/20/1989EP0347116A2 Process for preparing decabromodiphenylalkanes and decabromodiphenylethane.
12/20/1989EP0347064A1 Preparation of nonionic surfactants by oxyalkylation with a magnesium catalyst
12/20/1989EP0347021A2 Process for the preparation of 2,3-dimethoxy-5-methylbenzoquinone
12/20/1989EP0346999A1 Process for increasing the molecular weight of hydrocarbons and/or derivatives thereof
12/20/1989EP0346959A1 Process for halogenating cyclobutenoarenes
12/20/1989EP0346852A2 Process for producing 4-chloro-3-alkoxybut-2E-ene acid alkyl esters
12/20/1989EP0346843A1 Process for separating 2,6-dimethylnaphthalene
12/20/1989EP0346842A1 Process for separating 2,6-dimethylnaphthalene
12/20/1989EP0346841A2 1-Aryl-naphthoic acid amide and microbicides containing these
12/20/1989EP0346612A1 Process for production of 1,1,1-trifluoro-2,2-dichloroethane
12/20/1989EP0346470A1 Method of extracting pentaerythryl-tetrakis- 3-(3,5-ditert. butyl-4-oxyphenyl)propionate from the reaction mass obtained during synthesis of said product
12/20/1989EP0177574B1 Aminocarnitines
12/20/1989EP0150192B1 Bicyclic benzenoid aminoalkylene ethers and thioethers
12/20/1989CN1038089A Process for preparing 4-demethoxydaunomycinone
12/19/1989US4888444 Substituted hydroxylamine ester stabilizers
12/19/1989US4888441 Preparation of linear, low-molecular-weight polyester-based polyols
12/19/1989US4888440 Process for the preparation of aspartic acid 4-(phenylmethyl) ester
12/19/1989US4888439 Polyprenyl compound and pharmaceutical use
12/19/1989US4888433 Process for the preparation of optically active alpha-arylalkanoic acids and novel intermediates thereof
12/19/1989US4888432 Dehydrogenaiton, cyclization of thioamide
12/19/1989US4888385 BOP reagent for solid phase peptide synthesis
12/19/1989US4888361 Reaction product of group 8 salt, alcohol and alkali- or alkaline earth alcoholate in liquid system; low pressure, efficiency
12/19/1989US4888355 Indanes and their use as antiarrhythmic agents
12/19/1989US4888351 Treatment of cerebral edema
12/19/1989US4888283 Selective inhibitors of benzylaminoxidases with respect to other aminoxidases
12/19/1989US4888125 Bis(isocyanatophenoxy)alkanes produced by phosgenation of corresponding amines
12/19/1989CA1263967A1 Sequential cracking of hydrocarbons
12/19/1989CA1263966A1 Preparation of fluorinated aromatic compounds
12/14/1989WO1989012043A1 An improved process for the minimization of racemization in the preparation of optically active [(aryloxy)phenoxy]propionate herbicides
12/14/1989WO1989012040A1 Compounds containing at least three functional ester groups and process for producing them
12/13/1989EP0346279A1 Propane-1,3-dione derivatives and their use as stabilizing agents for chlorine-containing polymerisates
12/13/1989EP0346276A1 Substituted benzocyclobutenes, process for their preparation and their use
12/13/1989EP0346250A1 Process for the hydroxylation of phenols and phenol ethers
12/13/1989EP0346226A1 Process for the preparation of 4-aryl disubstituted-1-tetralones
12/13/1989EP0345995A2 Catalytic process for the preparation of linear polyethylenepolyamines with fluorophosphoric acid-on-titania catalysts
12/13/1989EP0345950A1 Hydrocarbon dehydrogenation process using a combination of isothermal and adiabatic dehydrogenation steps
12/13/1989EP0345861A1 Alkoxylation process catalyzed by compounds of the rare earth elements
12/13/1989EP0345747A2 Tricyclic compounds
12/13/1989EP0345719A2 Compounds containing at least three functional ester groups, and process for their preparation
12/13/1989EP0345688A1 Process for preparing 4-nitro-3-trifluoromethyl aniline
12/13/1989EP0345653A2 Transition metal complex
12/13/1989EP0345475A1 Process for the production of quaternary ammonium salts of long-chain aliphatic carboxylic acids
12/13/1989EP0345393A1 Ceramic membrane and use thereof for hydrocarbon conversion
12/13/1989EP0200743B1 Destruction of toxic chemicals
12/13/1989CN1037899A Improved preparation of 3,3-diphenylacrylic acid amides
12/13/1989CN1037890A Process for preparing biphenol a
12/13/1989CN1006068B Process for producing n-acyl-hydroxy and n-acyl-acyloxy aromatic amines
12/13/1989CN1006067B Process of the preparation of crystalline glutamic acid and sult thereof
12/13/1989CN1006063B Process for the preparation of hydroquinone clerivatives
12/13/1989CN1006061B Process for manufacturing styrene
12/12/1989US4886930 Zeolitic para-xylene separation with tetralin heavy desorbent
12/12/1989US4886923 Metal chloride catalyst and alcohol or acid cocatalyst
12/12/1989US4886919 Gas phase hydrogenation of unsaturated trisubstituted monoesters
12/12/1989US4886914 Process for synthesis of alpha aklyl amino aldehydes
12/12/1989US4886912 Antiulcer, antisecretory agents
12/12/1989US4886911 Herbicidal cyclohexane-1,3-dione derivatives
12/12/1989US4886910 Cyanoguanidine derivative and process for preparation thereof
12/12/1989US4886908 Method of preparing (R)-4-amino-3-hydroxybutyric acid
12/12/1989US4886907 Polysubstituted derivatives of naphthalene, their process of preparation and their application in the cosmetic and pharmaceutical fields
12/12/1989US4886906 Process for producing 2,6-naphthalene dicarboxylic acid
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