Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
06/1986
06/10/1986US4594148 Extraction of aromatics with ethyl acetoacetate
06/10/1986US4594145 Separation; aromatization; catalytic reforming
06/10/1986US4594133 Process for preparing 3'-halodiphenylethers
06/10/1986US4594097 N-phenylsulfonyl-N'-triazinylureas
06/10/1986CN85109641A Method of carring out chemicaldehydration reaction and an apparatus therefor
06/10/1986CN85109423A Process of methane production by means of a thioresistant catalyst and catalyst for carrying out this process
06/10/1986CN85109193A Process for the preparation of dimerization products from olefins
06/10/1986CN85108886A Process for preparating hemiacetal glyoxylate
06/10/1986CN85107900A Process for the preparation of new 2-cyanobenzimidazole and their use as fungicides and acaricides
06/10/1986CN85107834A Process for producing urea
06/10/1986CA1205826A1 Butene dimerisation method
06/10/1986CA1205825A1 Preparation of cyclopropane derivatives
06/10/1986CA1205824A1 Process for producing tert.butyl alkyl ethers in the presence of butadiene
06/10/1986CA1205820A1 Benzylidene aminooxyacetic acid derivatives as herbicidal agents
06/10/1986CA1205819A1 Preparation of overbased calcium sulphonates
06/10/1986CA1205815A1 Acaricide compounds
06/10/1986CA1205813A1 Cyclohexane-1,3-dione derivatives, their preparation and herbicides containing these compounds
06/05/1986WO1986003199A1 Amino-salicylic acid derivatives and pharmaceutical compositions
06/05/1986WO1986003196A1 Methyl substituted bicyclo ad2.2.1 bdheptane nitriles, process for production of these nitriles and their use as scents
06/05/1986WO1986003195A1 Novel azo compounds
06/05/1986WO1986003191A1 Methyl substituted bicyclo ad2.2.1 bd heptane/heptene methylol derivatives and their use as scents
06/05/1986WO1986003190A1 Process for the preparation of methanol in liquid phase
06/05/1986WO1986003189A1 Process for the production of butane-1,4-diol
06/04/1986EP0183628A1 Process for the preparation of 2-amylanthraquinone from amylbenzene and phthalic anhydride
06/04/1986EP0183612A1 Bis(perfluoroalkyl-2-ethylthio)-2,2-acetaldehydes and process for their preparation
06/04/1986EP0183603A2 Process for the preparation of cerium alcoholates
06/04/1986EP0183590A1 Perchlorofluorinated hydrocarbons and process for their preparation
06/04/1986EP0183579A1 Method for the synthesis of iodobenzene
06/04/1986EP0183547A1 Hydroformylation of olefins
06/04/1986EP0183546A1 Hydroformylation catalyst removal
06/04/1986EP0183545A1 Hydroformylation of olefins
06/04/1986EP0183532A2 Pharmaceutical compounds
06/04/1986EP0183346A2 Iron-containing silicate having ZSM-5 crystalline structure, its method of preparation, and its use in hydrocarbon conversion
06/04/1986EP0183319A1 Process of recovering purified benzoic acid
06/04/1986EP0183318A1 Process and device for purifying benzoic acid
06/04/1986EP0183293A1 Catalysts and process for the selective hydrogenation of acetylenes
06/04/1986EP0183275A2 Hydroxydiphenyl sulfone derivative and heat-sensitive recording material using the derivative
06/04/1986EP0183237A2 Process for making a stable pharmaceutical preparation of prostaglandin E compounds, and/or 15R forms thereof
06/04/1986EP0183225A1 Catalyst for vapor-phase hydrogen transfer reaction
06/04/1986EP0183194A2 Menadioncholine-bisulfite adduct and process for its preparation
06/04/1986EP0183177A1 Unsaturated fatty acid derivatives and their production
06/04/1986EP0183150A2 Process for the preparation of modified polyisocyanates and theiruse in the preparation of polyurethane coatings
06/04/1986EP0183149A2 Process for the preparation of esters of 4-acyloxy-3-keto-butyric acid
06/04/1986EP0183137A2 4-(2,2,3-Trimethylcyclopent-3-en-1-yl)-but-3-en-1-ols, process for their preparation and use as fragrance compounds
06/04/1986EP0183115A1 Bis(4-isocyanatophenoxy) alkanes optionally methyl-substituted in position 3, method for their preparation and their use in the preparation of polyurethanes
06/04/1986EP0183083A1 Process for the preparation of (2,2)-paracyclophane
06/04/1986EP0183061A1 Process for the preparation of O-(1 methoxy-2 chloro) ethoxyphenyl N-methyl carbamate
06/04/1986EP0183042A2 Process for the preparation of hydrochinone derivatives
06/04/1986EP0183029A2 Continuous process for the preparation of 1,2-pentanediol
06/04/1986EP0183028A2 Process for the continuous preparation of vicinal diols
06/04/1986EP0182872A1 A process for the preparation of cyclobutene-substituted aromatic hydrocarbons.
06/03/1986US4593150 Process for enhancing the separation of paraxylene from a feedstream containing other xylenes and ethylbenzene using a zeolite adsorbent
06/03/1986US4593149 Then using a desorpent
06/03/1986US4593135 Adding water
06/03/1986US4593129 Polyphosphazene process
06/03/1986US4593127 Hydroformylation process
06/03/1986US4593126 Process for preparing aldehydes
06/03/1986US4593125 Acylation of naphthalenes
06/03/1986US4593122 Process for preparing terephthalic acid by the catalytic oxidation with air of p-xylene in a water containing acetic acid solvent
06/03/1986US4593121 Novel acrylates and their manufacturing methods
06/03/1986US4593120 Naphthalene-1,4-dicarboxylic acid group
06/03/1986US4593117 Reacting di- or polyamine with N-aryl-O-alkylurethane in presence of a high boiling alcohol
06/03/1986US4593116 Process for the production of urethanes
06/03/1986US4593115 Method for producing 1-iodoalkyl acylates
06/03/1986US4593047 Process for the preparation of 3-trifluoromethyl-and 2,5-dimethyl-4'-hdyroxy-α-ethyl-benzhydrol, and pharmaceutical compositions containing them
06/03/1986US4593043 Mercapto acyl-carnitines and pharmaceutical compositions containing same
06/03/1986US4593042 hypotensive agent
06/03/1986US4593023 6-oxomorpholines
06/03/1986US4592906 Ester of p-dimethylaminocinnamic acid
06/03/1986US4592873 Sulfur-containing halogenated esters of neopentyl alcohol and methods for their preparation
06/03/1986US4592867 Synthesis method for reductant precursor
06/03/1986US4592809 Electroplating composition and process and surfactant compound for use therein
06/03/1986US4592806 Process for the production of grade AA methanol
06/03/1986CA1205495A1 Method for the solvent extraction of polychlorinated biphenyls
06/03/1986CA1205494A1 Production of ethanol from acetic acid
06/03/1986CA1205493A1 Process for producing nitrilotriacetonitrile
06/03/1986CA1205492A1 N-cyano amide compositions and adducts thereof
06/03/1986CA1205490A1 Process for the preparation of anhydrous alkane sulfonic acids
06/03/1986CA1205489A1 Process for preparing alpha arylalkanoic acids
06/03/1986CA1205485A1 Process for preparing 4-pentenoic acid derivatives
06/03/1986CA1205481A1 1-(3,4-bis-(3-lower alkoxycarbonyl)-2-thio-ureido)- phenyl)-1-phenylethylenes
06/03/1986CA1205480A1 Dihydropyridine anti-ischaemic and antihypertensive agents, processes for their production, and pharmaceutical compositions containing them
06/03/1986CA1205477A1 Oxime ethers, the preparation thereof, compositions containing them and the use thereof
06/03/1986CA1205450A1 Process for synthesizing a multicomponent acidic catalyst composition by an organic solution method
06/03/1986CA1205449A1 Process for synthesizing a multicomponent acidic catalyst composition containing zirconium by an organic solution method
06/03/1986CA1205447A1 Preparation of olefins from synthesis gas using ruthenium supported on ceric oxide
06/03/1986CA1205445A1 Impregnating a noble metal on the surface of a refractory catalyst support
06/03/1986CA1205444A1 Metal zeolite catalyst preparation
06/03/1986CA1205443A1 Zeolite lz- 132
06/03/1986CA1205403A1 Chloramphenicol derivatives antigens and antibodies
05/1986
05/28/1986EP0182745A2 Polyimides, process for their fabrication, and their use
05/28/1986EP0182673A2 A process for enhancing the separation of paraxylene from a feedstream containing other xylenes and ethylbenzene using a zeolite adsorbent
05/28/1986EP0182669A1 Quaternary Ammonium compounds
05/28/1986EP0182657A2 Cyclic carbonate modified dispersant additives
05/28/1986EP0182613A1 Detergent compositions containing ether polycarboxylates
05/28/1986EP0182609A2 Polycyclic biocidal compounds, their synthesis, formulations containing them
05/28/1986EP0182537A1 Multi-stage process with adiabatic reactors for the preparation of isocyanates
05/28/1986EP0182521A2 Process for stabilizing organic compounds and compositions stabilized thereby
05/28/1986EP0182499A1 N-(6-methoxy-5-(perfluoroalkyl)-1-naphtolyl)-N-metylglycines and their thionaphthoyl analogs
05/28/1986EP0182491A1 Azulene derivatives and their pharmaceutical use