Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/1996
11/27/1996EP0744394A1 Perfluoroalkenyl-group-containing (meth)acrylates, their preparation and their use
11/27/1996CN1136470A Catalyst for esterification reaction and its preparing method
11/26/1996US5578595 Cyclopropylacetic acid derivatives
11/26/1996US5578278 Tubular reactor system for direct fluorination
11/26/1996US5578173 Removal of dimethylterephthalate from a methanolysis vapor stream
11/21/1996WO1996036592A2 Carboxylic acid derivative preparation process
11/21/1996WO1996036586A1 Pivalic acid esters of alkoxylated aliphatic alcohols
11/21/1996DE19518476A1 Pivalinsäureester alkoxylierter aliphatischer Alkohole Pivaloic alkoxylated aliphatic alcohols
11/21/1996DE19518474A1 Verfahren zur Herstellung von Carbonsäurederivaten A process for preparing carboxylic acid derivatives
11/20/1996EP0743322A2 Process for the recovery of an organic acid from the manufacture of a cellulose ester
11/20/1996EP0743293A1 Process for producing biaryl compound
11/20/1996EP0742788A1 Process for the preparation of a linear formyl compound
11/20/1996CN1136033A Process for recovery of carbonylation product
11/19/1996US5576457 Catalyst and procedure for preparation of vinyl acetate
11/19/1996US5576456 Recovery of components from polyester resins
11/19/1996CA1338726C Hydrogenation process for preparing 4-aminophenol
11/17/1996CA2174922A1 Process for the recovery of an organic acid from the manufacture of a cellulose ester
11/13/1996EP0741688A1 Process for the separation of glycols from dimethyl terephthalate
11/13/1996EP0741687A1 Leukotriene b 4? derivatives, methods of preparing them and their use as drugs
11/13/1996EP0741686A1 New leukotriene b 4? derivatives, methods of preparing them and their use as drugs
11/13/1996EP0741684A1 Process for preparing carboxylic acids by carbonylation of ethers and thioethers
11/13/1996EP0741681A1 Process for producing 3-aryl propines and novel 3-aryl propines
11/13/1996EP0624152B1 Process for preparing ketone enantiomer
11/13/1996CN1135747A A Process for separating lipophilic compounds
11/13/1996CN1135479A Method for production of terephthalic acid diester and ethandiol from polyester waste material
11/13/1996CN1135478A Method for preparation of alkyl polyoxyethylene ether benzoate
11/12/1996US5574182 Optically active compounds having plural chiral centers and production thereof
11/12/1996US5573999 Fungicides and insecticides
11/12/1996US5573854 Fiber reinforcement and cured oligomers
11/12/1996CA1338714C Insecticidal diacylhydrazine compounds and novel substituted and unsubstituted benzoic acid 1-alkyl, 2-alkyl and 2-cycloalkylhydrazides
11/07/1996WO1996034847A1 Process and intermediate products for preparing substantially isomer-pure e-2-[2-aryloxymethylene phenyl]-crotonic acid methyl esters
11/07/1996WO1996034842A1 Separation of alpha-arylpropionic acid ester diastereomers by distillation
11/07/1996CA2217331A1 Preparation of essentially isomerically pure methyl e-2-(2-aryloxymethylene-phenyl) crotonates, and intermediates therefor
11/06/1996EP0741124A2 Removal of dimethylterephthalate from a methanolysis vapor stream
11/06/1996CN1134929A Fungicidal methods, compounds and compositions contg. benzophenones
11/06/1996CN1134855A Catalysts for prodn. of vinyl acetate
11/05/1996US5571938 Esterification process using a catalyst consisting of sand, stannous tin and aluminate
11/05/1996US5571935 Fat substitutes
11/05/1996US5571870 Liquid phase fluorination
11/05/1996US5571771 Carrier catalyst, process for the production thereof, and use thereof for the preparation of vinyl acetate
11/05/1996CA1338689C Sulfur-containing nitroaminobenzene dyes, process and hair dye compositions
10/1996
10/31/1996DE19515244A1 Prodn. of poly:tetra:methylene ether glycol di:ester derivs.
10/30/1996EP0739403A1 Polymerizable chiral compounds and their use
10/30/1996EP0739239A1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
10/30/1996EP0696268A4 Ethylene glycol recovery process
10/30/1996CN1134412A Zirconium compounds of sulfonic acids
10/30/1996CN1134314A Solid basic catalyst, process for producing the same and process for producing carbonyl compound derivative using the same
10/29/1996US5569786 Isolation, structural elucidation and synthesis of novel antineoplastic substances denominated "combretastatins"
10/29/1996US5569780 Dialkyl 2-haloethyl malonates
10/29/1996US5569779 Polyfunctional michael addition products
10/29/1996US5569778 Process for preparing fluorine-containing dicarbonyl compound
10/24/1996WO1996033232A1 Process for producing polytetramethylene ether glycol diester on aluminium magnesium silicate catalysis
10/24/1996WO1996033016A1 Esterification catalyst for the production of high boiling esters and process of making the high boiling esters
10/24/1996DE19514930A1 Purification of synthetic carboxylic acid ester(s)
10/23/1996EP0738703A2 Acrylic acid derivatives, method for preparing the acrylic acid derivatives, and acrylic acid polymers
10/23/1996EP0738254A1 ASYMETRIC HYDROGENATION OF BETA- or GAMMA-KETOESTERS AND BETA- or GAMMA-KETOAMIDES
10/23/1996EP0738253A1 Carbonyl containing compounds
10/23/1996EP0738248A1 The preparation of dicarbonyls
10/23/1996CN1134153A Matrix metalloprotease inhibitors
10/23/1996CN1033084C Process for preparing substd. vinylbenzene
10/22/1996US5567856 Using a rhodium complex catalyst
10/22/1996US5567839 Catalyst prepared using barium salt to precipitate water insoluble palladium and optional gold compounds prior to reducing to metal(s)
10/22/1996US5567838 Transesterification reaction of alkoxylated bisphenol-a and methyl methacrylate
10/22/1996US5567826 Process for the production of terminally nitrogen heterocycle substituted (meth)acrylate by the use of a mixture of an alkali metal and alkaline earth metal catalyst
10/22/1996US5567730 Method of stabilizing an ω-3 unsaturated fatty acid compound
10/22/1996US5567606 Antifoaming agent for fermentation, L-amino acid-producing medium and production process of L-amino acids
10/22/1996CA1338673C Catalyst recycle in the carbonylation of isobutylphenylethanol to ibuprofen
10/22/1996CA1338670C .beta.-lactam antibiotics
10/17/1996WO1996032368A1 One-pot synthesis of ring-brominated benzoate compounds
10/17/1996WO1996032367A1 Recovery of dimethyl terephthalate from polymer mixtures
10/17/1996CA2217760A1 One-pot synthesis of ring-brominated benzoate compounds
10/16/1996EP0737665A1 Process for preparation of diaryl carbonate
10/16/1996EP0737664A2 Process for the production of wax ester and hydrogenation of the wax ester to fatty alcohol
10/16/1996EP0737663A1 Process for the preparation of acetylenically unsaturated compounds
10/16/1996EP0737660A1 Inhibition of unsaturated monomers with 7-aryl quinone methides
10/16/1996EP0737659A1 7-Substituted quinone methides as inhibitors for unsaturated monomers
10/16/1996EP0737235A1 Mannich condensation products of poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions containing the same
10/16/1996EP0737180A1 Process for the preparation of 5-formylvaleric acid and 5-formylvalerate ester
10/16/1996EP0737103A1 Process for producing an iridium solution and use of same as catalyst.
10/16/1996EP0612310B1 Process for the manufacture of cinnamic acid derivatives
10/16/1996EP0482175B1 Fault tolerant computer system
10/16/1996CN1133282A Preparation for subbenzyl and subnaphthyl derivant
10/16/1996CN1133281A Method for preparation of (methyl) propenoic acid isoborneol ester
10/16/1996CN1133175A Medicine for cancer
10/16/1996CN1033028C Process for preparing new derivatives of 2,2-dimethyl cyclopropane carboxylic acid
10/16/1996CN1033024C Process for extraction of dicarboxylic acid and its esters from waste liquid after production of hexandioic acid
10/15/1996US5565689 Reactant for perfluoroalkylation of nucleophilic substrates with sodium perfluoroalkanesulphinates in an oxidizing medium
10/15/1996US5565605 Reacting an ester with aromatic alcohol in presence of transestrification catalyst to form aryl ester
10/15/1996US5565594 Ferrocene diphosphines as ligands for homogeneous catalysts
10/15/1996US5565593 Chiral phospholanes via chiral 1,4-diol cyclic sulfates
10/15/1996CA1338647C Inhibitors of lysyl oxidase
10/15/1996CA1338646C (arylsulphonyl) nitromethanes, processes for their preparation and their use in pharmaceutical compositions
10/15/1996CA1338645C Isolation, structural elucidation and synthesis of novel antineoplastic substances denominated "combretastatins"
10/10/1996WO1996031456A1 Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process
10/10/1996DE19512516A1 Prodn. of unsymmetrical di:ester(s) of maleic acid and/or fumaric acid having good hues
10/09/1996EP0736523A2 Zirconium compounds of sulfonic acids
10/09/1996EP0736510A1 Process for separating methanol and methyl acrylate or methyl methacrylate
10/09/1996EP0735998A1 Process for preparing michael addition products
10/09/1996EP0735994A1 Method for producing unsaturated organics from organic-containing feeds
10/09/1996EP0735911A1 Method of working up a reaction mixture by means of a column placed on the reaction vessel
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