Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
03/1997
03/18/1997CA2001344C Process for the treatment of quaternary onium salts and its application to the preparation of hexafluoropropylene oxide
03/18/1997CA1339002C Liquid crystal compound
03/12/1997EP0761640A1 Process for the preparation of esters of 2-(4-hydroxyphenoxy)-propionic acid
03/12/1997EP0761639A1 Process for the treatment of residues from the crude ester distillation from the preparation of dimethyl terephthalate (DMT)
03/12/1997EP0761637A1 Method for producing rosefuran precursor and intermediates therefor
03/12/1997EP0761635A1 Process for the hydroformylation of olefinically unsaturated compounds
03/12/1997EP0761629A1 Aliphatic unsaturated compounds, process for their preparation as well as their use as fragrances
03/12/1997EP0760845A1 Increasing the electrical resistivity of ester lubricants, especially for use with hydrofluorocarbon refrigerants
03/12/1997EP0760825A1 Carbon based initiators for polymerization and telomerization of vinyl monomers
03/12/1997EP0738253A4 Carbonyl containing compounds
03/12/1997EP0616608B1 Improved method for the dry-neutralization of olefinically reactive organic liquids
03/11/1997US5610125 Rheopectic cosmetic cleanser
03/11/1997US5610122 3-aryl-4-hydroxy-delta3-dihydrofuranone derivatives
03/11/1997CA2010053C Process for the synthesis of polyol fatty-acid esters
03/11/1997CA1338986C Process for the production of monoblocked diisocyanates
03/06/1997WO1997008128A1 Process for producing halogenated cyclopropane derivatives
03/06/1997WO1997008127A1 Hydroformylation process
03/06/1997WO1997008124A1 Hydroformylation process
03/06/1997WO1997008123A1 Hydroformylation process
03/06/1997DE19532697A1 Highly-pure glycol ether acetate prodn. for reduced impurities content
03/06/1997DE19532696A1 Prepn. of tris(2-acetoxy ethyl) amine and glycol ether acetate(s)
03/06/1997DE19532695A1 Di-, tri- and tetra-alkylene glycol mono-alkyl ether acetates simultaneous prodn. from waste
03/05/1997EP0760393A2 Chromatography process
03/05/1997EP0760358A1 Method of manufacturing alpha-oxocarboxylate and catalyst adopted in the method
03/05/1997EP0760357A1 Process for preparing 4-bromomethyl-3-methoxy benzoique acid esters
03/05/1997CN1144525A Chemical intermediates useful in agriculture
03/04/1997US5608122 Process for preparing wax esters and hydrogenation of wax esters to fatty alcohols
03/04/1997US5607977 Benzoylureas
03/04/1997CA2036720C Process for obtaining sec-butyl acrylate
02/1997
02/26/1997EP0759424A1 Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester, and intermediate therefor
02/26/1997EP0759423A1 Process for the preparation of isobornyl(meth)acrylate
02/26/1997EP0759422A1 Direct esterification of propoxylated glycerin
02/26/1997EP0759419A1 Process for the carbonylation of an alcohol and/or a reactive derivative thereof
02/26/1997EP0759024A1 Process for preparing intermediates for the synthesis of antifungal agents
02/26/1997EP0759022A1 Method for the preparation of carboxylic acids or corresponding esters in the presence of a soluble iridium-based catalyst
02/26/1997EP0711270A4 Cyclopolymerisation monomers and polymers
02/26/1997EP0675688A4 Method for controlling cookie geometry.
02/26/1997CN1143948A Process for production of cyclohexyladipates and adipic acid
02/26/1997CN1143633A Process for coproducing methyl dichloroacetate and mercaptoacetic acid
02/26/1997CN1143627A Process for producing butyl benzyl phthalate
02/26/1997CN1143626A Continuous Preparation of alkyl esters of (meth) acrylic acid
02/26/1997CN1143625A Process for manufacture of sec-butyl acrylate by reaction of acrylic acid and bytene isomers
02/25/1997US5606103 Organotin catalyzed transesterification
02/25/1997US5606102 Process for the manufacture of butyl acrylate by direct esterification
02/25/1997US5606100 Process for the preparation of trialkyl ester derivatives
02/25/1997US5606099 Catalytic hydrogenation of maleic acid dialkyl ester using metal powder catalyst which is oxygen and support-free, arranged in a fixed bed; continuous processing
02/25/1997CA2184034A1 Process for preparing 4-bromomethyl-3-methoxy-benzoic esters
02/25/1997CA1338940C Ó,ó-disubstituted n-cycloalkylalkylbenzylamines, process for their preparation, their use as a medicament and their synthesis intermediates
02/25/1997CA1338939C Vinylphenol derivatives, their preparation and their use
02/25/1997CA1338934C 3-aminomethyl derivatives of indane, indoline and ¬dihydro-benzo|-furane and thiophene
02/20/1997WO1997006275A1 Process for producing optically active 2-alkoxycyclohexanol derivatives
02/20/1997WO1997006128A1 Selective process for the deacylation of acylated compounds
02/20/1997WO1997006126A1 Process for the continuous preparation of pure 5-formyl valeric acid esters
02/20/1997WO1997005949A1 Method for separating a palladium catalyst
02/20/1997CA2225649A1 Continuous preparation of 5-formylvaleric esters in pure form
02/19/1997EP0758641A1 A fatty acid esters composition of a polyglycerine, a process for the preparation thereof, a process for the preparation of a highly-purified fatty esters composition of a polyglycerine, a highly-purified fatty esters composition of a polyglycerine, an additive for food-stuffs, a resin composition, and a composition for cosmetics or detergents
02/19/1997EP0758640A1 Recovery of components from polyester resins
02/19/1997EP0758350A1 Photodegradable polyesters
02/19/1997EP0758338A1 Bidentate phosphine ligand
02/19/1997CN1143384A Refining oil composition
02/19/1997CN1143067A Iodo-fatty acidic ester, iodo-fatty acid and its derivatives, and its pharmacoaynamic actives
02/18/1997US5603813 Purifying distillation of vinyl formate
02/13/1997WO1997005093A1 THE PREPARATION OF CHIRAL CYCLOALKANOLS SUCH AS endo-5-NORBORNEN-2-OL
02/13/1997DE19529239A1 Verfahren zur kontinuierlichen Reindarstellung von 5-Formylvaleriansäureestern Process for the continuous preparation of pure 5-formylvaleric
02/13/1997CA2220726A1 The preparation of chiral cycloalkanols such as endo-5-norbornen-2-ol
02/12/1997EP0757979A1 A process for recovering dimethyl terephthalate
02/12/1997EP0757668A1 Pesticidal fluoroolefins
02/12/1997EP0667888B1 Pigment manufacturing process
02/12/1997CN1142814A Process for the carbonylation of an acelylenically unsaturated compound
02/12/1997CN1142483A Preparation of alpha-chloroalkyl aryl ketones
02/11/1997US5602226 Method of making multidimensional polyesters
02/11/1997US5602191 Preparation of radiation-curable acrylates that are storage stable with isocyanate crosslinking agents
02/11/1997US5602187 Transesterification; embrittlement; crushing; hydrolyzing short chain polymers and/or bis(hydroxy ethyl) terephthalate esters
02/11/1997US5602176 Phenyl carbamate
02/11/1997US5602104 Skin disorders, conjunctive tissue disorders, antitumor agents
02/06/1997WO1997003943A1 Process for the continuous carbonylation of olefins
02/06/1997WO1997003942A1 Novel process
02/06/1997WO1997003751A1 Catalyst for the preparation of carboxylic esters
02/06/1997CA2224521A1 Novel process
02/05/1997EP0757029A1 Process for the continuous preparation of diaryl carbonates
02/05/1997EP0757028A1 Process for the preparation of aromatic carbonic acid esters
02/05/1997EP0757027A1 Ester synthesis
02/05/1997EP0756589A1 Powdered production of half-esters of cyclic dicarboxylic acid anhydrides
02/05/1997EP0621861B1 A method of preparing carboxylic acids or esters thereof by the oxidative cleavage of unsaturated fatty acids or esters thereof
02/05/1997EP0612308B1 Method for preparing radio-iodinated thyronine derivatives; novel intermediates
02/05/1997CN1142202A Process for producing an iridium solution and use of same as catalyst
02/05/1997CN1142196A Process for the simplified separation of complex mixtures at least partially of organic origin
02/05/1997CN1141910A Process for production of acetic acid through carbonylation
02/05/1997CN1033970C One-step producing plasticizing agent by using polyester waste material
02/04/1997US5599976 Reacting methanol, methyl acetate or dimethyl ether in the presence of a group 8 metal catalyst, methyl iodide and water; separation; purification; recycling methyl acetate
02/01/1997CA2182350A1 Process for the preparation of esters of aromatic carboxylic acids
01/1997
01/30/1997WO1997003038A1 Iodinated fatty acid esters, iodinated fatty acids and derivatives thereof, produced by iodohydrination using alkylsilylated derivatives and alkaline iodides, and pharmacological activities thereof
01/29/1997EP0755951A2 Acrylic ester derivative and producing process of the same and acrylic-ester-based polymer
01/29/1997EP0755913A1 Process for preparing of 2,4-dibromo-4- and -3-fluorobutanoic acid as well as their derivatives
01/29/1997EP0755912A2 Process for the preparation of 2-substituted cyclopentanones
01/29/1997EP0737235A4 Mannich condensation products of poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions containing the same
01/29/1997EP0656879B1 Process for the bromination of methyl-2-(2-methylphenyl)-3-methoxy-propenoate
01/29/1997CN1141645A Polymerizable chiral compound and use thereof
01/29/1997CN1141286A Process for prepn. of pentenoate ester
01/29/1997CN1141284A Process of preparing wax ester and of hydrogenating wax ester to fatty alcohol