Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
09/1992
09/22/1992CA1307794C Inhibition of polymerization fouling during distillation of monomers in the presence of sulfur oxides
09/22/1992CA1307782C Syngas conversion catalyst, its production and use thereof
09/22/1992CA1307761C Production of dialkyl maleate from a mixture comprising a mondalkyl maleate
09/22/1992CA1307649C Process for removal of impurities in alkyl nitrite formation
09/17/1992DE4108626A1 Citronensaeure-ester von polyhydroxyverbindungen und ihre verwendung in wasch- und reinigungsmitteln Citric acid esters of polyhydroxy compounds and their use in washing and cleaning products
09/16/1992EP0504107A2 Process for the preparation of chlorinated esters of carboxylic acids
09/16/1992EP0504069A2 Process for preparing E-2-propyl-2-pentenoic acid and intermediate products
09/16/1992EP0502917A1 Process for inhibitor exchange in radically reactive olefinically unsaturated systems.
09/16/1992EP0261177B1 Use of carbamate additives for low phosphorus or phosphorus free lubricating compositions
09/15/1992US5147929 In presence of 2,3,6-mesitylene-1-sulfonyl-3-nitro-1,2,4-triazolide
09/15/1992US5147901 Propionphenone derivatives as photoinitiators for photopolymerization
09/15/1992US5147892 Benzyl ketones and fungicides containing them
09/15/1992US5147664 Process for preparing an aqueous solution of an alkali metal salt of methionine
09/15/1992CA1307541C Preparation of anilines
09/15/1992CA1307528C Stabilizers and their use for the production of stabilized polyamides and rubber materials
09/15/1992CA1307517C Process for preparing linear alpha-olefins using zirconium adducts as catalysts
09/10/1992DE4107056A1 Catalyst contg. methyl rhenium tri:oxide and aluminosilicate - has limited silica content for metathesis of olefin(s) and olefin derivs.
09/09/1992EP0502376A1 Method for the production of alpha,beta-unsaturated aldehydes and ketones
09/09/1992EP0502374A1 Process of preparation of 3-alkoxycarbonylpropenals and 3-dialkoxymethylpropenals
09/09/1992EP0502183A1 New pyrethrinoid esters of 4-(dihalogenomethyl) 2,3,5,6-tetrafluorobenzylic alcohol, preparation method thereof and application thereof as pesticides
09/09/1992EP0502106A1 Substituted indole-, indene-, pyranoindole- and tetrahydrocarbazole- alkanoic acid derivatives as inhibitors of pla2 and lipoxygenase
09/09/1992EP0252983B1 Salts of n-(vinyloxiethyl)dithiocarbamic acid, method of obtaining thereof and pesticides based on them
09/09/1992EP0159357B1 Carminomycinone precursors and analogues and derivatives thereof
09/09/1992CN1018180B Preparation method for phenylacetric acid derivative
09/09/1992CN1018179B Hydrolysis of activated olefinic ketones and aldehydes
09/09/1992CN1018178B Process for production of ethers
09/09/1992CN1018177B Improved dichlorobutene isomerization process
09/08/1992US5146033 Homogeneous rhenium catalysts for metathesis of olefins
09/08/1992US5146026 To produce biodegradable detergents
09/08/1992US5146019 Preparation of polyfluorobutenes
09/08/1992US5145989 Recovery of acrylic acid and/or ethyl acrylate from black acid
09/08/1992US5145987 Stereoselective carboyxlation
09/08/1992US5145954 Derivatives of alphaphenylacrylic acid and their use in agriculture
09/08/1992US5145611 Diabetes
09/08/1992CA1307297C Dialkoxyketones and their preparation
09/08/1992CA1307296C Hydroformylation using low volatile phosphine ligands
09/08/1992CA1307294C Process for the preparation of monocarboxylic anhydrides
09/08/1992CA1307293C Process for the preparation of monocarboxylic anhydrides
09/08/1992CA1307289C2 Peptidylaminodiols
09/08/1992CA1307288C Chemical compounds
09/08/1992CA1307285C Process for the production of isocyanates
09/08/1992CA1307281C PROCESS FOR THE PREPARATION OF .alpha.-AMINO-.alpha.-METHYLCARBOXYLIC ACID AMIDES AND .alpha.-AMINO-.alpha.-CYCLOALKYLCARBOXYLIC ACID AMIDES
09/08/1992CA1307280C PROCESS FOR THE PREPARATION OF .alpha.-HYDROXYCARBOXYLIC ACID AMIDES
09/08/1992CA1307276C Process for preparation of alkyleneamines
09/08/1992CA1307263C Hmg-coa reductase inhibitors
09/08/1992CA1307259C Quinone amides, their production and use
09/03/1992WO1992014738A1 Catalytic process for converting hydrocarbonaceous feeds, particularly lower alkanes to esters, alcohols, and optionally to hydrocarbons
09/02/1992EP0501205A1 Antiphlogistic means
09/02/1992EP0501047A1 Method for manufacturing aluminum foils used as electrolytic capacitor electrodes
09/02/1992EP0500713A1 New derivatives of 3,3,5-trimethylcyclohexanol methyl-2 propionate, preparation method and therapeutical compositions containing them
09/02/1992EP0310620B1 Chiral liquid crystal compounds
09/02/1992EP0288582B1 Process for producing alkyl group-substituted aromatic hydrocarbons
09/01/1992US5144080 Method for preparing isoprenoid cyclopropane 1,1-dicarboxylates and derivatives thereof and novel intermediates
09/01/1992US5144062 Process for producing methyl formate
09/01/1992US5144061 Preparation of alkenecarboxylic esters
09/01/1992US5144058 Colorless grained alpha-form crystals of tetrakis [3-(3,5-di-t-butyl-4-hydroxyphenyl)propionyloxymethyl]methane and process for its manufacture
09/01/1992US5144057 Process for the production of 3-oxocarboxylic acid esters
09/01/1992US5144023 Process for the synthesis of polyol fatty acid esters
09/01/1992US5143885 Catalysts for the metathesis of olefins and functionalized olefins
09/01/1992CA1307007C Process for preparing 4,6-dinitroresorcinol
09/01/1992CA1307006C Hydroformylation using low volatile/organic soluble phosphine ligands
09/01/1992CA1307004C Process for recovering methacrolein
09/01/1992CA1307003C Phenyl carbamate
09/01/1992CA1307001C PROCESS FOR THE PREPARATION OF .alpha.-AMINO-.alpha.-HYDROGEN CARBOXYLIC ACID AMIDES
09/01/1992CA1307000C Urea derivatives, a process for their preparation and medicaments containing these compounds and their use
09/01/1992CA1306998C Propiophenone derivatives as photoinitiators for photopolymerisation
09/01/1992CA1306997C Process for concentration of an aqueous solution of amino acid
09/01/1992CA1306988C Separation medium
08/1992
08/26/1992EP0500323A2 Production of bisphenol monoester
08/26/1992EP0499731A1 Production of ethyl 3-ethoxy propanoate by acid catalyzed addition of ethanol to ethyl acrylate
08/26/1992EP0499700A1 Mixture of fatty acid esters of polyglycerine
08/26/1992CN1063866A Process for preparation of halogenated compounds
08/26/1992CN1017990B Process for producing ethyl butyrate
08/25/1992US5142099 Enantioselective process
08/25/1992US5142098 Methylidenemalonate esters derived from esters of 9,10-endoethano-9,10-dihydroanthracane-11,11-dicarboxylic acid
08/25/1992US5142072 Selective esterification of long chain fatty acid monoglycerides with medium chain fatty acid anhydrides
08/25/1992US5142071 Selective esterification of long chain fatty acid monoglycerides with medium chain fatty acids
08/25/1992US5142064 Larvicides has benzoyl or thiobenzoyl group
08/25/1992US5142057 Reacting an organic chloride with carbon monoxide and amine
08/25/1992US5141937 Treatment of hyperlipidemias
08/25/1992CA1306758C Oxidation and subsequent decomposition of dihydroperoxide
08/25/1992CA1306748C N-aminobutyl-n-phenylarylamide derivatives, their preparation and their application in therapy
08/25/1992CA1306660C Stabilized choline base solutions
08/20/1992WO1992013821A1 Bicyclo[4.1.0]heptane-2,4-dione derivative, intermediate for the synthesis thereof, and production thereof
08/20/1992WO1992006063A3 Carbonylation of allylic alcohols and synthesis of an ambergris fragrance compound
08/19/1992EP0499329A1 Carbonylation catalyst system
08/19/1992CN1063678A Waste oil reproducing process for acrylate ester
08/18/1992CA1306580C 3-halovinylglycine antibacterial agents
08/18/1992CA1306470C Method of manufacturing a modified polyhydroxy compound
08/18/1992CA1306469C Process for producing bisphenol a
08/18/1992CA1306468C Cyclohexenone derivatives, their manufacture, and their use as agentsfor regulating plant growth
08/18/1992CA1306465C Triglycerides having stability with lapse of time and method for stabilization thereof
08/16/1992CA2103789A1 Catalytic process for converting hydro-carbonaceous feeds, particularly lower alkanes, to esters, alcohols and optionally to hydrocarbons
08/12/1992EP0497920A1 Process for the production of polybasic acid esters with recovery of boron trifluoride
08/12/1992EP0497888A1 Substituted benzoylbenzene-, biphenyl- and 2-oxazole- alkanoic acid derivatives as inhibitors of pla 2? and lipoxygenase
08/12/1992CN1017799B Glycine compounds and process for preparing them
08/12/1992CN1017797B Production of aromatic hydrocarbons
08/12/1992CN1017779B Dehydrogenation catalyst and process for preparing it
08/11/1992US5138107 Phase transfer catalyzed halogenation of carbon acids
08/11/1992US5138106 Catalytic transesterification, separation, distillation and catalytic transesterification