Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
11/1999
11/23/1999US5990347 Process for preparing a carboxylic acid
11/23/1999US5990344 Process for the production of vinyl acetate
11/23/1999US5990343 Purification the products from hydrolysis and cracking, by distilling to separate butyl acrylate stream from acrylic acid
11/22/1999CA2272223A1 Catalyst and use thereof in the production of vinyl acetate
11/18/1999WO1999058488A1 Improved process for the preparation of trifluoromethyl containing derivatives
11/18/1999WO1999058486A1 New compounds, their preparation and use
11/18/1999WO1999058242A1 Method for activating active hydrogen and activation catalyst
11/18/1999WO1999050223A3 Process for the preparation of hpb esters
11/18/1999DE19822035A1 Oxidative carbonylation of diene compounds, useful for production of unsaturated acid esters from butadiene etc.
11/17/1999EP0957078A1 Process for the preparation of shikimic acid and its derivatives
11/17/1999EP0956279A1 Process for the esterification of (meth)acrylic acid with an alkanol
11/17/1999EP0955994A1 Fragrance delivery systems for personal care articles
11/17/1999CN1235592A Manufacture of adipic acid
11/17/1999CN1235561A Improved process for production of supported palladium-gold catalysts
11/17/1999CN1235152A Propynyl compounds
11/17/1999CN1235151A Process for preparation of shikimic acid and its derivatives
11/17/1999CN1235141A Process for preparing organic compound
11/16/1999US5986129 Multistage process of diazotization, acidification, hydrolysis and acylation
11/16/1999US5986119 Reconstituted castor oil
11/16/1999US5986117 Process for the preparation of fatty acid-esterified propoxylated glycerin
11/16/1999US5986113 Process for manufacturing polyene esters and acids
11/16/1999US5985935 Treatment and prophylaxis of diseases caused by parasites, or bacteria
11/16/1999CA1340822C Deicing compositions comprising alkaline earth or alkali metal carboxylates and processes for their production
11/11/1999WO1999057092A1 Method for producing polyolesters
11/11/1999WO1999057091A1 Method for producing fatty acid esters from triglycerides
11/11/1999WO1999048946A3 Synthesis of higher polyol fatty acid polyesters by transesterification
11/11/1999DE19825254C1 Working up crude liquid vinyl acetate containing acetic acid, water and ethyl acetate
11/11/1999DE19646378C2 Verfahren und Vorrichtung zur Rückgewinnung von Dicarbonsäuren und Diolen aus Polyesterabfällen, insbesondere aus Polyethylenterephthalat(PET)-Abfällen beliebigen Polymerisationsgrades Method and apparatus for the recovery of dicarboxylic acids and diols of polyester waste, in particular from polyethylene terephthalate (PET) including wastes any polymerization degree
11/10/1999EP0955287A1 Propynyl compounds
11/10/1999EP0955286A1 Dihydro- or tetrahydronaphthalene derivatives having (anti-)estrogen activity
11/10/1999EP0954375A1 Novel supported catalysts
11/10/1999EP0891226B1 Catalyst and process for the preparation of vinyl acetate
11/10/1999CN1234392A Optically active beta-alkamine compound and use thereof
11/10/1999CN1234391A Preparation of hydroxyl-contained organics acetate, especially linalyl acetate
11/10/1999CN1234390A Method for producing dichloro-acetoxy-propane and derivative thereof
11/10/1999CN1234389A Noval process for preparing 2,3,5-trimethyl-hydroquinone diester
11/10/1999CN1046266C Process for carbonylation of acetylenically unsaturated compounds
11/10/1999CN1046265C Process for production of plasticizer and polyol esters
11/10/1999CN1046263C Process for carboonylation of acetylenically unsaturated compounds
11/10/1999CN1046218C Catalyst system for carbonylation of acetylenically unsaturated compounds
11/09/1999US5981792 Process for the production of 1-functional allylalcohol carboxylic esters
11/09/1999US5981754 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
11/09/1999US5981073 Compounds based on dibenzoylresorcinol, and related compositions and articles
11/04/1999WO1999055797A1 Composition and method for radical polymerisation of ethylenically unsaturated monomers
11/04/1999WO1999055659A1 Method for producing 1,4-butanediol
11/04/1999WO1999055657A1 Novel compounds extracted from vegetable oil useful in pharmaceutics and cosmetics, in particular for inhibiting cell growth
11/04/1999WO1999032225A3 Catalytic composition based on chiral ligands with molybdenum, tungsten or chromium and method for asymmetric alkylation of allylic substrates
11/04/1999DE19819656A1 Verfahren zur Herstellung von Polyolestern Process for the preparation of polyol esters
11/04/1999DE19819655A1 Verfahren zur Herstellung von Fettsäureestern aus Triglyceriden A process for producing fatty acid esters from triglycerides
11/03/1999EP0953561A1 Preparation of dimethylterephthalate via the air oxidation of p-tolualdehyde
11/03/1999EP0712831B1 Selective dehalogenation method
11/03/1999CN1233947A Fragrance delivery system
11/02/1999US5977395 Ester syntheses and transesterifiable xanthate reactants therefor
11/02/1999US5977290 Basic catalysts for the aldol reaction
11/02/1999US5976324 Removal of water from reaction mixtures
10/1999
10/28/1999WO1999054277A1 High performance plasticizers from branched oxo alcohols
10/28/1999WO1999054276A1 Tertiary alkyl ester preparation
10/28/1999WO1999054032A1 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors
10/28/1999DE19818248A1 Production of highly pure butan-1,4-diol, useful for producing polyesters, gamma-butyrolactone and tetrahydrofuran
10/28/1999DE19817644A1 Neues Verfahren zur Herstellung von 2,3,5-Trimethylhydrochinondiestern New process for the preparation of 2,3,5-trimethylhydroquinone
10/28/1999CA2329733A1 High performance plasticizers from branched oxo alcohols
10/28/1999CA2328160A1 Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors
10/27/1999EP0952141A1 Purification process
10/27/1999EP0952137A1 Process for the preparation of 2,3,5-trimethylhydroquinone diester
10/27/1999EP0951274A1 Fragrance delivery systems
10/27/1999CN1233284A Fragrance delivery system for liquid detergent compositions
10/27/1999CN1233283A Rinse added fabric softening compositions and method of use for the delivery of fragrance derivatives
10/27/1999CN1233282A Laundry detergent compositions comprising 'beta'-ketoester pro-fragrances
10/27/1999CN1233281A Hand-wash laundry detergent compositions comprising beta-ketoester pro-fragrances
10/26/1999US5973193 Using zeolite selected from the group consisting of mcm-22, mcm-49, mcm-56, zsm-5 and zeolite-beta
10/26/1999US5973182 Resolution of racemic mixtures
10/26/1999US5972824 Catalyst, process for producing the catalyst and process for preparing vinyl acetate using the catalyst
10/26/1999US5972525 Solid particle containing active carbon, support and catalyst
10/26/1999US5972057 Heating to dry/deodorize vegetable oil, mixing with alcohol solution containing alkaline esterification catalyst, transesterification, separation and purification of light and heavy product solutions
10/26/1999CA2165888C Process for preparing aromatic olefins
10/21/1999WO1999052854A1 PROCESS FOR THE GENERATION OF α,β-UNSATURATED CARBOXYLIC ACIDS AND ESTERS USING NIOBIUM CATALYST
10/21/1999WO1999052852A1 Asymmetric hydrogenation
10/21/1999WO1999052628A1 Production of unsaturated acids or esters thereof and catalysts therefor
10/21/1999DE19817101A1 Verfahren zur Herstellung von Kaliummonoethylmalonat A process for preparing potassium monoethyl malonate
10/21/1999CA2269404A1 New process for the preparation of 2,3,5-trimethylhydrochinone diesters
10/20/1999EP0950653A1 Process for the preparation of potassium monoethylmalonate
10/20/1999EP0950649A1 A process for preparing oxyalkylene derivatives in the presence of phosphine oxides
10/20/1999EP0949965A1 Improved process for the production of supported palladium-gold catalysts
10/20/1999CN1232445A Process for preparation of vinylesters
10/20/1999CN1232020A Process for catalytic esterification of maleopimaric acid
10/20/1999CN1232019A Ester synthesis
10/20/1999CN1232018A Process for synthesizing benzoic acids
10/20/1999CN1232014A Processes for making beta-diketones
10/19/1999US5969178 Using methacrolein and methanol as dehydration and absorption agents during production of methyl methacrylate
10/19/1999US5969176 Acylation of trimethylhydroquinone in the presence of protonic acid
10/19/1999US5969170 Stable in presence of variety of functional groups
10/19/1999US5969153 Preparation of substituted 3-aryl-5-haloalkyl-pyrazoles having herbicidal activity
10/19/1999US5968869 Vinyl acetate catalyst comprising palladium and gold deposited on a copper containing carrier
10/19/1999US5968860 Catalyst, process for producing the catalyst and process for preparing vinyl acetate using the catalyst
10/19/1999US5968322 Azeotropic distillation to recover acrylic ester from stream containing catalyst and a hydroquinone polymerization inhibitor while oxygen remains present in the vapor phase
10/14/1999WO1999051609A1 Method for producing grignard compounds
10/14/1999WO1999051344A1 Alkylidene complexes of ruthenium with n-heterocyclic carbene ligands and their use as highly active, selective catalysts for olefin metathesis
10/14/1999WO1999051339A1 Catalyst and process for the oxidation of ethane and/or ethylene
10/14/1999DE19815833A1 Verfahren zur Herstellung von Linalylacetat A process for the production of linalyl acetate
10/14/1999DE19811451C1 Verfahren zur Acetalisierung bzw. Ketalisierung A method for acetalization or ketalization