Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1997
10/02/1997WO1997035826A1 Method for preparing carboxylic acids and/or esters thereof by isomerising esters
10/02/1997WO1997035824A1 Process for the preparation of fluorinated dicarbonyl compounds
10/02/1997WO1997035661A1 Transition metal catalysts based on inorganic-organic polymers, manufacture and use thereof
10/02/1997DE19612645A1 Dimethyl-substituierte Cyclohexandienderivate Dimethyl-substituted Cyclohexandienderivate
10/01/1997EP0798284A2 Method for treating a solution of organic compound
10/01/1997EP0798041A1 Metal complexes containing heterocyclic carbene as catalysts for C-C couplings
10/01/1997EP0797564A1 Lignans, a process for their production and pharmaceutical compositions and uses thereof
10/01/1997CN1160708A Method for making alpha, beta-unsaturated-beta-trifluoromethyl carboxylates and related compounds
10/01/1997CN1160601A Methyl formate catalyst prepared through methanol carboxylation and its preparation process
10/01/1997CN1035994C Process for producing fibre grade dimethyl terephthalate
09/1997
09/30/1997US5672785 Isomerization and disproportionation of 1,1,2-trichloro-1,2,2 trifluoroethane and fluorinating the resulting mixxture with hydrofluoric acid
09/30/1997US5672763 Process for the preparation of 2-substituted cyclopentanones
09/30/1997US5672734 Preparing vinyl acetate in gas phase from ethylene, acetic acid, oxygen using catalyst formed by spraying solutions of palladium, potassium and cadmium salts on support particles, drying
09/30/1997US5672733 Process for the preparation of isobornyl (meth) acrylate
09/30/1997US5672732 Reacting in presence of carbon monoxide, an alcohol or water and an catalyst system comprising palladium compound, carboxylic acid and monodentate phosphine ligand to form pentenoic acid or esters with good selectivity
09/30/1997US5672729 Recovery of terephthalate diesters from glycol residues
09/25/1997WO1997034859A1 METHOD OF PRODUCING ALKALINE-EARTH SALTS OF ALIPHATIC β-KETO COMPOUNDS
09/25/1997WO1997034857A1 Method for the cyclotrimerization of alkynes in aqueous solutions
09/25/1997DE19612989A1 Übergangsmetallkatalysatoren auf Basis anorganisch-organischer Polymerer, ihre Herstellung und Verwendung Transition metal catalysts based on inorganic-organic polymers, their preparation and use
09/25/1997DE19610564A1 Preparation of di:carboxylic acid di:ester(s)
09/25/1997CA2250321A1 A process for the production of alkaline earth metal salts of aliphatic beta-keto compounds
09/24/1997EP0796238A1 Method of stabilizing polyunsaturated fatty acids and their application in therapy and cosmetics
09/24/1997EP0796237A1 Preparation of pentenoic acid
09/24/1997CN1160039A Process for continuous production of diaryl carbonates
09/23/1997US5670702 Using heterogeneous catalyst
09/23/1997US5670701 Preparation of alkyl adipates
09/23/1997US5670700 Hydroformylation process
09/23/1997US5670698 Reacting acetic anhydride with a mannich base; hydrogenation
09/23/1997US5670697 Preparation of cyclopropane esters
09/23/1997US5670695 Process for the preparation of diacerein
09/23/1997US5670692 7-substituted quinone methides as inhibitors for unsaturated monomers
09/23/1997US5670669 Recovery of tocopherols
09/23/1997CA2007101C Process for the purification and recovery of the contaminated solution of catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
09/23/1997CA1339470C Method for the production of hns ii
09/18/1997WO1997033955A1 Method for preparation of purified glycerides, and products
09/18/1997WO1997033892A1 Process to prepare a multidentate phosphite compound
09/18/1997WO1997033854A1 Process to prepare a terminal aldehyde
09/18/1997WO1997033690A1 Colloidal palladium-gold alloy catalyst for vinyl acetate production
09/18/1997DE19610320A1 Verfahren zur Herstellung von Erdalkalimetallsalzen aliphatischer beta-Ketoverbindungen A process for preparing alkaline earth metal salts of aliphatic beta-keto compounds
09/18/1997CA2249026A1 Process to prepare a terminal aldehyde
09/18/1997CA2248623A1 Method for preparation of purified glycerides, and products
09/18/1997CA2244909A1 Colloidal palladium-gold alloy catalyst for vinyl acetate production
09/17/1997EP0795539A1 Process for producing a diaryl carbonate
09/17/1997EP0795538A1 Process for the preparation of pure alkyl esters of acetoacetic acid
09/17/1997EP0795537A1 Process for the synthesis of 2-butene -1,4-diesters
09/17/1997EP0795536A1 Process for the continuous preparation of alkyl esters of (meth)acrylic acid
09/17/1997EP0795535A1 Process and equipment for the continuous preparation of alkyl esters of (meth)acrylic acid
09/17/1997EP0683764B1 Carbonylation process
09/17/1997CN1159801A Colchicine derivatives and the therapeutical use thereof
09/16/1997US5668206 Oil and polymer additives
09/10/1997EP0794169A1 Stabilized menthyl lactate
09/10/1997EP0793643A1 Matrix metalloprotease inhibitors
09/10/1997EP0793638A1 Preparation of cyclopropane esters
09/10/1997EP0793637A1 Halogenated esters useful as intermediates for insecticides
09/10/1997EP0673381A4 Homogeneous bimetallic hydroformylation catalysts and processes utilizing these catalysts for conducting hydroformylation reactions.
09/10/1997EP0645365B1 Process for producing 2-fluoroisobutyric acid or ester thereof
09/10/1997EP0640070B1 Styryl derivatives, their preparation and use as pde-iv inhibitors
09/10/1997CN1159187A Heterocyclic-and carbocyclic-substituted benzoic acids and synthesis thereof
09/10/1997CN1158842A Production process of dipropylene glycol dibenzoate by using dipropylene glycol as main material
09/10/1997CN1158841A Esterification of (meth) acrylic acid with alkanol
09/10/1997CN1158840A Esterification of (meth) acrylic acid with alkanol
09/10/1997CN1158839A Dimethyl oxalate synthesizing technology
09/09/1997US5665891 Oxidation of ketones
09/09/1997US5665667 Process for the preparation of vinyl acetate catalyst
09/04/1997WO1997031891A1 Process for regioselective substitution of trifluorobenzoate or trifluorobenzonitrile
09/04/1997WO1997031885A1 Process for the production of 1,2-diacetoxy esters
09/03/1997EP0792868A1 Process for the production of phenol derivatives
09/03/1997EP0792270A1 Natriuretic cyclic compounds
09/02/1997US5663480 Synthesis of aromatic carbonates by transesterification using a catalyst comprising a microporous material and a group IV metal
09/02/1997US5663461 Process for producing geranylgeraniol
09/02/1997US5663422 From epoxide and acetic anhydride, phosphonium acetate catalyst
09/02/1997US5663421 Separation of a diester of (meth)acrylic acid with a C4 -C6 -alkanediol
09/02/1997US5663420 Low temperature process
09/02/1997US5663418 From the aldehyde, oxidation, esterification
09/02/1997US5663383 Process for the preparation of 3-hydroxyoxetanes
09/02/1997US5663371 Process for preparing polycyclic dyes
09/02/1997US5663370 Chemical intermediates useful in agriculture
09/02/1997US5663348 Reduction of diketone with aminoalkoxyborane complex to form dialcohol ester compound
08/1997
08/28/1997WO1997030964A1 A process for the production of a condensation product of a carboxylic acid
08/27/1997EP0791574A1 Process for the continuous preparation of aryl carbonates
08/27/1997EP0791573A1 Nitroxides as antipolymerants for vinyl acetate units
08/27/1997EP0790981A1 Aryloxycycloalkenyl and aryloxyiminocycloalkenylhydroxyureas as 5-lipoxygenase inhibitors
08/27/1997EP0790970A1 Improved processes for the preparation of d-chiro-inositol
08/27/1997EP0679152B1 Anti-androgenic cyclo and bicyclo alkenes
08/27/1997EP0665829B1 Isomerization of dimethylcyclohexanedicarboxylate
08/27/1997EP0630364B1 Hydroxy derivatives of cyclohexadiene
08/27/1997EP0623104B1 Profen resolution
08/27/1997CN1158118A Process for preparing aromatic aldehydes
08/26/1997US5661204 Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers
08/26/1997CA2124454C Process for preparing ketone enantiomer
08/26/1997CA1339382C Process for the catalytic hydration of olefins
08/26/1997CA1339381C Process for the catalytic hydration of olefins
08/26/1997CA1339380C Alkoxylation process catalyzed by compounds of the rare earth elements
08/26/1997CA1339379C Alkoxylation process using catalysts of the lanthanum series
08/26/1997CA1339378C Method of preparing 4-disubstituted phenyl-1-tetralones
08/20/1997EP0790230A1 Process for the continuous preparation of alkyl esters of (meth)acrylic acid
08/20/1997EP0789682A1 Catalyst recovery and dialkyl ester synthesis from an adipic acid synthesis waste stream
08/20/1997EP0627404B1 Process for the selective production of monoesters of diols and triols using zeolitic catalysts
08/20/1997CN1157607A Manufacture of perfumes for laundry and cleaning compositions
08/19/1997US5659077 Partial oxidation; carbonylation; recycling