Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/1990
12/27/1990CA1278308C Alpha-alkyl polyolefinic carboxylic acids and derivatives thereof useful in the treatment of psoriasis
12/27/1990CA1278299C Bicyclic catechol derivatives, a preparation process thereof and therapeutical compositions containing the same
12/26/1990CN1048040A Ethanolamine derivatives
12/25/1990US4980509 Aromatic polycyclic derivatives, their process of preparation and their use in human and veterinary medicine and in cosmetics
12/25/1990US4980495 Trialkylamine salts of 3-chloro-1,1-dicyano-2-hydroxy-1-propene and preparation of 2-amino-4-chloro-3-cyano-5-formylthiophene
12/25/1990US4980488 Fungicidal and plant growth-regulating azolymethyl-cyclopropyl derivatives
12/25/1990US4980486 Phenyl isothiocyanates
12/25/1990US4980444 Aromatic amide groups-containing diamines and polymers in which these diamines are incorporated
12/25/1990US4980377 Antidepressants, vasodilation, immunostimulants
12/25/1990US4980376 Benzoyl-ureas having insecticide activity
12/25/1990US4980372 Benzoylaminophenoxybutanoic acid derivatives
12/25/1990US4980353 Bactericides, animal growth regulators
12/25/1990US4980053 Production of gaseous olefins by catalytic conversion of hydrocarbons
12/22/1990CA2019496A1 Terpenic derivatives, preparation and use thereof
12/22/1990CA2019488A1 Method for removing mercaptans
12/19/1990EP0403431A2 Granules of alkyl esters containing hydroxyphenyl groups
12/18/1990US4978808 Nitration of 2,2-bis/p-hydroxyphenyl/hexafluoropropane with nitric acid in a low fatty acid
12/18/1990US4978802 Oxidation of a p-cresol derivative in the presence of a cobalt complex catalyst
12/18/1990US4978801 Preparation of aromatic aldehydes
12/18/1990US4978790 4,4'-bis[2-(4-hydroxy-amino-phenyl)hexafluoroisopropyl]-diphenylethers and their use
12/18/1990US4978786 Reacting oxamide with primary or secondary amines
12/18/1990US4978780 Preparation of ether sulfonates and polyglycol ether sulfonates, and products prepared by this method
12/18/1990US4978778 Process for producing vinyl acetate
12/18/1990US4978777 Novel polymerizable vinyl monomers and vinyl resins prepared therefrom
12/18/1990US4978776 Process for the manufacture of methyl methacrylate from isobutyric acid
12/18/1990US4978775 Process for producing bicyclo[3.3.0]octanes
12/18/1990US4978774 Reacting 4-hydroxy acetophenone with substituted lactic esters in basic medium below 50 degrees c
12/18/1990US4978773 Process for the preparation of 2,6-dichlorodiphenylaminoacetic acid derivatives
12/18/1990US4978771 Conjugated dienes and unsaturated nitriles, such as acrylo-nitrile-butadiene copolymer; complex ruthenium catalyst
12/18/1990US4978769 Process for introducing fluorine atoms into aromatic rings by nucleophilic exchange
12/18/1990US4978768 Reacting the ammonium salt with sodium or potassium hydroxide; reacting product with dialkyl sulfate or an alkyl
12/18/1990US4978765 Catalyst of molybdenum, bismuth, iron, antimony, nickel, silica and alkali metal; friction resistance, nonabrasive
12/18/1990US4978759 Reacting meldrum*s acid with protected amino acid, cyclization decyclizing, reduction and deprotecting; statine
12/18/1990US4978756 Compound and use
12/18/1990US4978653 Derivative of 2-cyclohexylpropanal and perfumery composition comprising the same
12/18/1990US4978435 Free chlorine removal process
12/18/1990US4978386 Herbicidal 2-(substituted-phenyl)-3-amino-2-cyclopentenone derivatives
12/18/1990CA1278139C Polyacetals, preparation thereof from dialdehydes and polyolcarboxylic acids, and use of same
12/18/1990CA1277996C Fluorinated polycyclic compounds
12/18/1990CA1277995C Process for the preparation of alkylaniline using a friedel-crafts catalyst
12/18/1990CA1277994C Lubricants and new polyfluorated compounds usuble as additives
12/18/1990CA1277988C Process for producing n-acyl-2,3-dehydro-amino carboxylic esters
12/18/1990CA1277827C Removal of polyhalogenated biphenyls from organic liquids
12/13/1990WO1990015127A1 Artificial jojoba oil
12/12/1990EP0402051A2 Processes for the preparation of saturated alcohol derivatives and their use in detergent: plasticizer: and synthetic lubricant formulations
12/12/1990EP0401946A2 Allyl esters of substituted phenylacetic acid and their use as pesticides
12/12/1990EP0401773A2 Alpha crystals of tetrakis/3-[3,5-di-tert-butyl-4-hydroxy-phenyl)propionyloxymethyl]-methane which have good flowability and method of producing same
12/12/1990CN1047691A Carbamate additives for low phosphorus containing or phosphorus free lubricant compositions
12/11/1990US4977293 Monoethylenically unsaturated compounds
12/11/1990US4977279 Anticholesterol agents
12/11/1990US4977263 Process for preparing 1,8-bridged 4-quinolone-3-carboxylic acid antibacterials
12/11/1990US4977170 Isoprenoidamine compounds which are useful antiulcer agents
12/11/1990US4977148 Thermogenic stimulants for obesity or diabetes
12/11/1990US4977141 Renin inhibitors
12/11/1990US4977117 Reacting oxides of nickel and molybdenum with a polysulfide, in first stage without hydrogen and in second stage without hydrogen; arcylamine present
12/11/1990US4976928 Device for performing exothermic catalytic gas reactions for the synthesis of ammonia or methanol
12/11/1990US4976893 Platinum-catalyzed oxidation of primary alcohols
12/11/1990US4976892 Process for the continuous transesterification of fatty acid lower alkyl esters
12/11/1990US4976891 Bicyclic sulfonamide derivatives
12/11/1990US4976834 Asymmetric photochemical reaction process
12/11/1990US4976742 META-aminophenols useful as oxidation hair dye couplers
12/11/1990CA1277679C Oxidation process
12/11/1990CA1277678C Bechamp reduction of dns to das using h2so4 and trace of hoac
12/11/1990CA1277674C Highly functional fluorinated polyisocyanates and varnishes obtained therefrom
12/11/1990CA1277673C Substituted ethylene-silane adducts used as protective group reagents
12/11/1990CA1277669C Guanidinobenzoic ester derivative
12/11/1990CA1277666C Asymmetrical alkyl diphenylakylaminoalkyl esters of l, 4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylic acid
12/11/1990CA1277658C Anionically modified polysaccharides, process for their preparation and the use thereof
12/11/1990CA1277652C Bimetallic catalysts for the reaction of carbon monoxide and hydrogen
12/11/1990CA1277650C Lanthanum silicate catalyst composite, its preparation and itsuse for conversion of alkanols to light olefins
12/10/1990WO1990015044A2 Reactive compounds containing perfluorocyclobutane rings
12/10/1990CA2030800A1 Reactive compounds containing perfluorocyclobutane rings
12/05/1990EP0401104A1 Process for the preparation of optical isomers of 2-chloropropionic acid esters
12/05/1990EP0400904A1 Ester production by hydrogenation of carboxylic acids and anhydrides
12/05/1990EP0400692A1 Process for producing Si02 Sn02 mixed oxide
12/05/1990EP0400292A2 Method for the production of diesters of cyclooctanedicarboxylic acid
12/05/1990EP0400144A1 Cysteamine derivatives and anti-rheumatic agent containing same
12/05/1990EP0400068A1 Derivatives of 2,3-difluorophenol
12/05/1990CN1010681B Process for the preparation of p-acylaminobenzamides
12/04/1990US4975461 P-aminophenols, derivatives thereof and method of use
12/04/1990US4975435 Certain 1H-pyrrold[3,4-b]quinolin-1-one-9-amino-2,3-dihydro derivatives useful for treating anxiety
12/04/1990US4975407 Catalyst for dehydrogenating organic compounds, a process for its preparation and its use
12/04/1990US4975380 Chemiluminescent labeled organic reagents and their use in analysis of organic compounds
12/04/1990US4975267 Stable K2 FE22 O34 potassium ferrite phase and method of manufacture
12/04/1990US4975258 Sodium oxide, potassium oxide, quinuclidine, tetraethylammonium chloride or hydroxide and silicon or germanium oxide
12/04/1990US4975157 Using certain oxygenated organic compounds as the agents
12/04/1990CA1277336C Perhydrofluorene derivatives, process for producing same and fluids fortraction drive
12/04/1990CA1277335C Fluid composition and process for preparation thereof
12/04/1990CA1277332C Phenyl nonatetraenoic acid derivatives
12/04/1990CA1277331C N-acyl amino acid derivative and process for production and use thereof
12/04/1990CA1277330C Carbamate or urea derivatives, their preparation and pharmaceutical compositions comprising them
12/04/1990CA1277326C Benzoic acid and benzoic acid ester derivatives having anti-inflammatory and analgesic activity
12/04/1990CA1277306C Process for the preparation of vanadium-containing mixed metal soap solutions
12/04/1990CA1277240C Medicament used as immunity modulator and process for its preparation
11/1990
11/30/1990CA2017924A1 Process for preparing 2-chloropropionate esters optical isomers
11/29/1990WO1990014325A1 Process for producing methacrylic acid and methacrolein
11/28/1990EP0399929A1 Preparation of ultra high purity methyl acetate
11/28/1990EP0399573A2 Process for recovery of amino acid from aqueous mixtures
11/28/1990EP0224596B1 Use of dibenzocyclooctadiene lignans extracted from schisandrae fructus for the manufacture of a medicament for the treatment of hepatic failure
11/28/1990CN1047278A Process for producing acrylic ester
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