Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
06/1982
06/01/1982CA1124736A1 Silicon-modified phthalic acid derivatives
06/01/1982CA1124735A1 Preparation of 2-aryl-propionic acids by direct coupling utilizing a mixed magnesium halide complex
06/01/1982CA1124734A1 Process for producing 2-acetamidocinnamic acid
06/01/1982CA1124728A1 Process for the preparation of phenoxypropionic acids and their alkali metal salts
06/01/1982CA1124703A1 Water desalkylation catalysts for aromatic hydrocarbons
06/01/1982CA1124564A1 Black-and-white photographic elements containing a nondiffusible resorcinol coupler and silver halide developing agent
05/1982
05/27/1982WO1982001701A1 Preparation of substantially anhydrous iodine compounds
05/26/1982EP0052573A1 Discoloration prevention of phenolic antioxidants
05/26/1982EP0052548A1 Purification of residual sulphuric acids from alcoholic synthesis
05/26/1982EP0052492A1 3-Aryloxy-3-phenylpropylamines
05/26/1982EP0052473A2 N-Substituted phenyl-1-methylcyclopropanecarboxamides, their production and use
05/26/1982EP0052419A1 Process for the selective hydrocarboxylation of propylene to isobutyric acid
05/26/1982EP0052319A1 Process for the preparation of fluorides of perfluorinate sulphonic acids
05/26/1982EP0052314A1 Preparation of monoalkyl ethers of hydroxyphenols
05/26/1982EP0052307A1 Process for preparing 1-aminonaphthalene-4,6-disulphonic acid and 1-aminonaphthalene 2,4,6-trisulphonic acid
05/26/1982EP0052285A1 Process for the preparation in the pure state of saturated perfluoralkyl-1-carboxylic acids from perfluoralkyl-1-iodides
05/26/1982EP0052271A1 Process for the purification of hydrogen chloride produced by the thermal cracking of 1,2-dichloroethane
05/26/1982EP0052254A1 Preparation of organic isocyanates
05/26/1982EP0052204A1 Prostacyclin analogs of the 1 series and related analogs
05/26/1982EP0052115A1 Bicyclic compounds and utilization thereof as perfuming agents.
05/26/1982EP0018420B1 Method of synthesizing urea
05/25/1982US4331826 Process for separating p-xylene from a hydrocarbon mixture
05/25/1982US4331825 Decarbonylation of the catalyst to metal clusters
05/25/1982US4331824 Process for preparation of high purity isobutylene
05/25/1982US4331822 Isomerization of xylene
05/25/1982US4331820 Insect attractants
05/25/1982US4331819 Water removal in nitration of aromatic hydrocarbons
05/25/1982US4331816 Aniline analeptics
05/25/1982US4331814 Intermediates to polyenes such as terpenes and carotenes
05/25/1982US4331813 Mixed metal oxide component catalyst
05/25/1982US4331774 Two catalysts system, one being gallium silicates
05/25/1982US4331684 Compounds having antidepressive activity
05/25/1982US4331680 Pesticidal compounds, compositions and methods
05/25/1982US4331613 Process for the preparation of trifluoromethylnaphthalenes
05/25/1982US4331592 Process for the preparation of carboxylic acid amides and peptides
05/25/1982US4331568 Perfume intermediates, stabilizers
05/25/1982US4331564 Catalyzing the sulfurization of olefins by tertiary phosphines, and an oil based material containing an additive amount of a sulfurized olefin so produced
05/25/1982US4331552 Liquid crystalline, partially hydrogenated oligo-1,4-phenylenes and dielectrics and electro-optical display elements containing them
05/25/1982CA1124439A1 Resin salts
05/25/1982CA1124262A1 Para-aminophenol derivatives
05/25/1982CA1124261A1 Pharmacological compound with immunopotentiating activity and production and uses thereof
05/25/1982CA1124260A1 PROCESS FOR THE PREPARATION OF .alpha.-[4-(4- CHLOROBENZOYLAMINOETHYL)-PHENOXY]ISOBUTYRIC ACID
05/25/1982CA1124259A1 Petroleum sulfonates
05/25/1982CA1124254A1 Substituted acetophenones and process therefor
05/25/1982CA1124251A1 Herbicidally active carbamic acid phenyl esters and their manufacture and use
05/25/1982CA1124241A1 N-alkylated aminoalcohols and their salts, processes for their preparation and pharmaceutical preparations containing these compounds
05/25/1982CA1124240A1 Urea and thiourea compounds, method of preparing the new compounds, as well as insecticidal compositions on the basis of these compounds
05/25/1982CA1124234A1 Anthracycline synthesis
05/25/1982CA1124225A1 Aromatic hydro-carbon desalkylation with a water based catalyst
05/25/1982CA1124202A1 Preparation of mercaptans
05/25/1982CA1124187A1 N-paraffin - isoparaffin separation process
05/25/1982CA1124180A1 Inclusion compound from volatile odiferous substance with cyclodextrin
05/19/1982EP0051884A1 Amino-cyclopropyl-carboxylic-acid derivatives for the loosening of fruit and/or leaves on plants
05/19/1982EP0051859A1 Process for the production of ethanol from methanol
05/19/1982EP0051828A1 N-benzoyl-alpha-anilino alkane carboxylic acids, salts and esters thereof, process for producing the same and pharmaceutical preparations containing the same
05/19/1982EP0051806A1 Process for the preparation of 3,5-dimethyl aniline
05/19/1982EP0051805A1 Process for the preparation of aromatic amines
05/19/1982EP0051803A1 Process for the preparation of 3,5-dimethyl aniline (sym. m-xylidine)
05/19/1982EP0051802A1 Process for the preparation of aromatic amines
05/19/1982EP0051792A1 Derivatives of hydroxamic-acid esters, process for their preparation and their use as herbicides
05/19/1982EP0051791A1 2,2-Dimethylcyclobutanones and process for their preparation
05/19/1982EP0051783A1 Process for preparing 1,4-diamino-anthraquinone-2-sulphonic acid
05/19/1982EP0051782A1 Process for the manufacture of m-halogenated anilines
05/19/1982EP0051738A1 Cyclohexyl-biphenyl derivatives that contain fluor, dielectrics containing them and electro-optical indicating element
05/18/1982US4330679 Process for the preparation of alkyl tert.-alkyl ethers
05/18/1982US4330676 Of alkyl, hydroxyalkyl or formyl aromatic compound to acid; heavy metal catalyst; slurrying; washing; precipitation
05/18/1982US4330657 Process for the production of storage-stable urethane acryls
05/18/1982US4330556 Microbicidal N-1'-hydrocarbyloxycarbonylethyl)-N-alkoxyacetylanilines
05/18/1982US4330542 N(Sulfonyl)anilines for treating angina pectoris
05/18/1982US4330488 Reacting anhydrous camphorsulfonic acid with sodium methylate then aromatic aldehyde
05/18/1982US4330485 From hydrogen peroxide and acidf, solvent, water azeotrope, metal oxide catalyst
05/18/1982US4330484 Diastereomeric salts of malic acid and 2-aminobutanol, and process for the resolution of rademis maic acid
05/18/1982US4330483 Hydrocyanation of olefins
05/18/1982US4330482 Process for the preparation of halogenoalkenes
05/18/1982US4330479 Zinc or aluminum catalyst
05/18/1982US4330437 Supported silver catalyst and a process of preparing it
05/18/1982US4330434 5-sulfoisophthalic acid; esters from a monoolefin, water, and an acyclic acid
05/18/1982US4330429 Process for regenerating an antimony containing oxide catalyst
05/18/1982US4330426 Cyclohexylbiphenyls, their preparation and use in dielectrics and electrooptical display elements
05/18/1982US4330395 Hydrogenation catalyst
05/18/1982US4330366 By oxidation of halogenated benzotrifluoride with a sulfur compound
05/18/1982US4330294 Anthraquinone compounds and process for dyeing therewith
05/18/1982US4330291 Nitrated coupler compounds useful in direct dyeing and simultaneous oxidation and direct dyeing of keratinic fibers
05/18/1982CA1123859A1 Hydroformylation process improved by choice of reaction solvent and control of product stripping parameters
05/18/1982CA1123858A1 Hydroformylation process employing rhodium-based catalysts comprising ligands having electronegative substituents
05/18/1982CA1123857A1 Intermediate in the preparation of cyclopropanecarboxylate esters and process for its manufacture
05/18/1982CA1123855A1 Process to 3-phenoxybenzyl 3-(2,2-dihalovinyl)-2,2-dimethylcyclopropane- carboxylate
05/18/1982CA1123854A1 Herbicidally active carbamic acid phenyl esters and their manufacture and use
05/18/1982CA1123839A1 Stilbene derivatives
05/18/1982CA1123826A1 Cycloaliphatic ketoamines
05/18/1982CA1123813A1 Aluminosilicate powders
05/18/1982CA1123654A1 Cellulose fermentation process
05/13/1982WO1982001548A1 Vinyl acetate purification process
05/12/1982EP0051524A1 Process for the treatment of inert residual gases containing ethylen
05/12/1982EP0051514A1 Cinnamoyl-cinnamic acid derivative, its preparation and its use as a therapeutic agent
05/12/1982EP0051404A1 Norbornyl ethers, their preparation and their use in augmenting the aroma of a consumable material, cloth or fabric
05/12/1982EP0051355A1 An improved process for the preparation of certain cyclopropane pyrethroid intermediates having a high cis-content
05/12/1982EP0051348A1 Phosphomolybdic-acid catalysts, production thereof and their use in the oxidation of methacrolein to methacrylic acid
05/12/1982EP0051346A1 Shape selective reactions utilizing zeolites modified with group V A metals
05/12/1982EP0051326A1 Process for the preparation of hydrocarbons