Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/1991
10/01/1991US5053528 Polyurethanes monomers
10/01/1991US5053527 Controlled oxidationof alkyl lactate using hydrogen peroxide with bromine catalyst
10/01/1991US5053223 Process and agents for control of white coffee-leaf miners, especially perileucoptera coffeella
10/01/1991US5053073 Thiophene derivatives useful as fungicidal, insecticidal or plant growth regulating agents
10/01/1991CA1289974C Preparation of chlorobenzotrifluoride compounds
10/01/1991CA1289972C Process for producing acetyl-substituted aromatic compound
10/01/1991CA1289971C Explosive compound
10/01/1991CA1289969C Substituted crotonates and fungicides containing them
10/01/1991CA1289963C All-cis-1,3,5-triamino-2,4,6-cyclohexanetriol derivatives, their use, processes for their preparation and pharmaceutical preparations containing them
10/01/1991CA1289945C Intermediates
10/01/1991CA1289934C Catalytic composition for the isomerization of paraffinic hydrocarbons
10/01/1991CA1289730C Phase transfer catalysis
09/1991
09/30/1991WO1991014672A1 Chiral catalysts for enantioselective synthesis
09/30/1991CA2039253A1 Palladium catalyzed carboalkoxylation of butadiene
09/29/1991WO1991014665A1 Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using these catalysts
09/27/1991CA2038973A1 Catalyst and process for synthesizing saturated carboxylic esters
09/26/1991DE4009505A1 Verfahren zur herstellung verzweigter fettsaeuren und deren ester A process for producing branched fatty acids and esters
09/25/1991EP0448006A2 Process for the preparation of acylales
09/25/1991EP0447938A1 Process for preparing 2-halogeno-3-hydroxy-3-phenyl-propionic acid ester compounds
09/25/1991CN1054765A Continuous process for synthesis of oxalic ester by gaseous catalysis
09/25/1991CN1014056B Catalyzing compounding acetic isoborneol ester from natural silky tustre zeolite
09/25/1991CN1014055B Process for removal of organochlorine compounds from the offgas from the oxidation of ethylene
09/24/1991WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991US5051531 Antioxidant-peroxides
09/24/1991US5051529 Method for functionalization of nucleophiles
09/24/1991US5051528 Recovery process for ethylene glycol and dimethylterephthalate
09/24/1991US5051526 Reagents for solid phase synthesis of polypeptides
09/24/1991US5051446 Cardiovascular disorders
09/24/1991US5051435 Pharmaceutical preparations
09/24/1991US5051387 Zeolite L preparation
09/24/1991CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991CA1289575C Process for making meta-alkyl phenols
09/24/1991CA1289574C Process for the preparation of alkylaniline using an aluminosilicate catalyst
09/24/1991CA1289568C Process for production of amino compounds
09/24/1991CA1289560C Cyclohexenone derivatives, the preparation and use thereof as herbicides and plant growth regulators
09/24/1991CA1289334C Process for destroying organic products with toxic effects and equipment for implementing this process
09/18/1991EP0447258A2 Process for purifying dimethyl 2,6-naphthalene dicarboxylate
09/18/1991EP0447141A2 Hafnium-catalyzed transesterification
09/18/1991EP0446925A2 Process for the preparation of beta-resorcylic acid derivatives
09/18/1991EP0446446A2 Process for preparing alpha, beta-unsaturated carboxylic acid ester
09/18/1991EP0446301A1 Preparation of biaryl compounds.
09/18/1991EP0446211A1 Process for preparing polymeric dispersants having alternating polyalkylene aud succinic groups.
09/18/1991CN1054585A Making method of triple-ring double easter
09/17/1991US5049697 Esterification
09/17/1991US5049676 Chemical intermediates for herbicides
09/17/1991US5049657 Process for hydrolysis of peptide or protein
09/17/1991US5049585 Certain 3,3-bis-(difluoro methyl)2,2-dimethyl-cyclopropane carboxylates having insecticidal activity
09/17/1991US5049536 Catalytically active silica and alumina gel and process for preparing it
09/17/1991US5049497 Novel process for the synthesis of the enantiomers of bicyclo(4.2.0)oct-2-en-7-one and derivatives
09/17/1991US5049455 Amphiphilic anthracene derivative
09/17/1991US5049279 Selective extraction of amino acids
09/17/1991CA1289150C Process for the production of aromatic carboxylic acids
09/17/1991CA1289149C PROCESS FOR SOLID ALKALI METAL SALTS OF .alpha. SULFOFATTY ACID ALKYL ESTERS
09/17/1991CA1289148C Substituted oxime-ethers and their use as bioregulators to lower the endogenous ethylene level in plants
09/17/1991CA1289147C Substituted phenols as stabilisers
09/17/1991CA1289146C Diisocyanates, a process for their production and their use in the production of polyurethane plastics
09/17/1991CA1289141C Process for the production of high energy material
09/17/1991CA1289127C Stabilized peroxydicarbonate composition
09/17/1991CA1289125C Upgrading low molecular weight alkanes
09/17/1991CA1289078C Pharmaceutical composition for the treatment of parkinson's disease
09/13/1991CA2037163A1 Hafnium-catalyzed transesterification
09/11/1991EP0446106A2 Process for producing organic carboxylic acid esters
09/11/1991EP0445859A1 Process for obtaining sec-butyl acrylate
09/11/1991EP0445843A2 Process for the preparation of cyclopropanecarboxylic acid derivatives substituted at position 3 by a saturated halogenated chain
09/11/1991CN1013861B Vinylcyclopropanecarboxylic acid esters
09/11/1991CN1013857B Process for preparation of diphenyl oxide compounds with insecticidall activity
09/10/1991US5047593 Lipoxygenase inhibiting compounds
09/10/1991US5047591 Single-stage process for producing bis-(amino-nitrophenyl)-methane
09/10/1991US5047588 Surface active polycarbodiimides and their dispersions
09/10/1991US5047587 Process for purifying oxalic acid diamide
09/10/1991US5047585 Process for racemizing an optically active N-benzylidene amino-acid amide
09/10/1991US5047583 Production of carboxylic acids
09/10/1991US5047580 Process for the separation of sulfuric acid from aqueous mixtures of paraffin-sulfonic acids
09/10/1991US5047575 Norbornene carboxylic acids and esters
09/10/1991US5047564 Fluorine-containing vitamin D2 derivatives
09/10/1991US5047535 For production of multilayer films
09/10/1991US5047516 Wavesuides for altering light characteristics
09/10/1991US5047433 N-alkyl derivatives of 2-amino-6,7-dimethoxy tetraline and pharmaceutical compositions having antihypertensive activity containing same
09/10/1991US5047432 Arylcyclobutylmethylamine therapeutic agents
09/10/1991US5047431 Treatment of hormone-dependent mammary tumors; antiestrogens
09/10/1991US5047426 Cyclopentene Derivatives
09/10/1991US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/10/1991US5047377 Process for the purification and recovery of the contaminated solution of the catalyst produced on carbonylation of methanol and/or methyl acetate and/or dimethyl ether
09/10/1991US5047228 Nonionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives
09/10/1991US5047178 Nickel/alumina catalyst, its preparation and use
09/10/1991CA1288777C N-fluoropyridinium salt and process for preparing same
09/10/1991CA1288774C 1,2-dialkoxy-w-trialkylammonium cationic surfactants
09/10/1991CA1288759C Carbamate additives for low phosphorus containing or phosphorus free lubricant compositions
09/10/1991CA1288724C Process for exhaustively decontaminating perfluoropolyethereal oils
09/10/1991CA1288715C Organofluorine compounds and a biochemical process for their preparation
09/05/1991WO1991013046A1 Process for separating optical isomers
09/04/1991EP0444742A1 Ester/alcohol synthesis
09/04/1991EP0444265A2 Process for the metathesis of olefins and functionalized olefins
09/04/1991EP0444264A2 Catalysts for the metathesis of olefins and functionalised olefins
09/04/1991EP0202276B1 Composition for the treatment of psoriasis
09/03/1991US5045619 Comb polymers, vinyl isocyanate addition polymer with pendant polyether segments
09/03/1991US5045573 Photoinitiators for photopolymerization of unsaturated systems
09/03/1991US5045548 Quinolyl methoxy compounds and their use as antiasthmatic agents
09/03/1991US5045537 Hydrophilic renin inhibitors, their preparation and use
09/03/1991US5045530 Conprising a micelle or a vesicle of a cationic teniside based on a hydrophobic alkyl-substituted pyridinium compound and a hydrophobic drug; drug delivery; skin disorders