Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
04/1981
04/22/1981EP0027421A1 Process for the preparation of unsaturated sulphones, and sulphones obtained
04/22/1981EP0027400A1 Preparation of naphthoquinone-1,4
04/22/1981EP0027351A1 Oxidation catalysts and process for the preparation of methacrolein by vapour phase oxidation
04/22/1981EP0027329A1 Catalytic process and apparatus therefor
04/22/1981EP0027319A2 Method for reductive elimination of protecting groups and preparative process using such method
04/22/1981EP0027213A1 Process for the production of cellulose by using dispersions of nitroanthraquinones
04/22/1981EP0027209A1 N,N-dimethyl-N'-isobutyl-N'-beta-hydroxyethyl 1,3-propylene diamine, and process for its preparation
04/22/1981EP0027208A1 Process for the continuous production of diacetyl-ethylene diamine
04/22/1981EP0027197A1 Process for the production of addition compounds from carbodiimides and compounds containing hydroxyl groups
04/22/1981EP0027157A1 Process for selective dealkylation of alkyl-substituted aromatic hydrocarbons
04/22/1981EP0027111A1 Lepidoptericidal isothiourea compounds
04/21/1981US4263462 Process for the preparation of unsaturated ethers
04/21/1981US4263460 Process for preparing methyl-nonyl-acetaldehyde
04/21/1981US4263459 Perfumes, cosmetics
04/21/1981US4263457 Catalytic dehydrogenation
04/21/1981US4263456 Using acidic clay catalyst
04/21/1981US4263455 Fibrinolytic, antiinflammatory
04/21/1981US4263454 Intermediate for riboflavin
04/21/1981US4263450 Precipitation as hydrochloride
04/21/1981US4263449 Process for producing alcohols
04/21/1981US4263413 Half esters of organic polyols and a process for their production
04/21/1981US4263324 Anticoccidial and ovolarvicidal compositions
04/21/1981US4263293 Antiarthritic agents
04/21/1981US4263223 Synthesis of 4,4'-dicyano-polyhalo-diphenoxyalkanes
04/21/1981US4263215 Oxidizing trans vitamin d3 or a derivative with a selenite ester; efficiency
04/21/1981US4263173 Supported nickel-cobalt-silica coprecipitated hydrogenation catalyst
04/21/1981US4263170 Coordination catalyst comprising a magnesium compound, obtained by the thermal decomposition of an organomagnesium halide, and a halide of titanium or vanadium
04/21/1981US4263157 Wear resistance, corrosion resistance
04/21/1981US4263156 Grease compositions
04/21/1981CA1099749A1 Removal of carbonyl impurities
04/21/1981CA1099748A1 Method for preparation of ethers
04/21/1981CA1099746A1 Preparation of 1,4-diols by hydrolysis-hydrogenation of 2-alkoxytetrahydrofurans
04/21/1981CA1099745A1 Treatment of methanolic-aqueous residues from syntheses employing triphenylphosphonium salts
04/21/1981CA1099744A1 Mannich base composition
04/21/1981CA1099743A1 Process for preparing bicyclic trienone
04/21/1981CA1099739A1 Tri-sodium salt of carboxymethyloxy succinic acid
04/21/1981CA1099734A1 Preparation of sulphates
04/21/1981CA1099733A1 Process for preparing 2-isocyanatoalkyl esters of unsaturated carboxylic acids
04/21/1981CA1099719A1 Process for the preparation of n-(1-benzylpiperid-4- yl)-benzamides
04/21/1981CA1099709A1 5-(quaternary alkyl) resorcinol preparation and intermediates therefor
04/21/1981CA1099707A1 Aglycones and processes for their preparation
04/21/1981CA1099705A1 Process for the preparation of new daunomycin derivatives and their aglycones
04/21/1981CA1099697A1 Dehydrocoupling process
04/21/1981CA1099695A1 Chromium-free catalyst
04/21/1981CA1099643A1 Analgesic compound
04/21/1981CA1099559A1 1,2,4-triazole derivatives substituted with a thio or seleno group in the 5-position
04/16/1981WO1981001009A1 Reactive colorants,preparation and utilization thereof
04/16/1981WO1981001002A1 Fluoro-substituted prostaglandins and prostacyclins
04/15/1981EP0027003A1 A process for preparing a diarylamine
04/15/1981EP0027000A1 Methanol conversion with CO or CO+H2 using iron-cobalt catalyst
04/15/1981EP0026989A2 Nitrosourea derivatives, process for preparing them, and pharmaceutical compositions containing them
04/15/1981EP0026983A1 Polycyclic polyamines, process for their preparation and epoxy resins cured by these polyamines
04/15/1981EP0026872A1 Plant growth regulating products containing substituted alkylammonium salts and their use
04/15/1981EP0026832A1 Process for the purification of isoleucine
04/14/1981USRE30577 Ether of n-propanol amine
04/14/1981US4262154 Process for the production of ethanol and/or acetaldehyde by reacting methanol with synthesis gas
04/14/1981US4262153 Catalyst selectivity, by-product inhibition
04/14/1981US4262152 Preparation of trifluoromethylphenyl nitrophenylethers
04/14/1981US4262149 Solvent extraction with isoolefin
04/14/1981US4262142 Concurrent, rhodium catalyst
04/14/1981US4262141 Preparation of aldehydes
04/14/1981US4262140 Hydrolysis of methyl formate, extraction with tertiary amide, fractional distillation
04/14/1981US4262139 Catalytic acetoxylation of butadiene
04/14/1981US4262138 Regeneration and reuse of catalyst
04/14/1981US4262130 From nitro compound, carbon monoxide, and an alcohol
04/14/1981US4262014 Miticides, nematocides
04/14/1981US4261994 1,2,4-Oxadiazole derivatives, their preparation and pharmaceutical use
04/14/1981US4261924 Fungicides, bactericides
04/14/1981US4261920 3-Phenoxy-fluoro-benzyl alcohol intermediates
04/14/1981US4261917 Two-stage neutralization yielding product of low viscosity
04/14/1981US4261916 Sulph(on)ation process
04/14/1981US4261909 Process for the reductive removal of halogen atoms from anthraquinones
04/14/1981US4261908 Process for isolating aromatic dinitro compounds
04/14/1981US4261906 Process for making vicinal epoxides
04/14/1981US4261898 Silicon-modified phthalic acid derivatives
04/14/1981US4261844 Lubricants containing tertiary amine and urea groups
04/14/1981US4261798 Method of purifying readily polymerizable vinyl monomers
04/14/1981US4261731 Alpha-isocyano-carboxylic acid amide compounds and plant growth regulant compositions
04/14/1981US4261652 Liquid crystal compounds and materials and devices containing them
04/14/1981US4261651 Liquid crystal compounds
04/14/1981CA1099298A1 Hydrogenation of cyclopentadiene
04/14/1981CA1099297A1 Continuous hydrogenation of cyclopentadiene
04/14/1981CA1099296A1 Enhancing the promoting of a catalytic process for making polyhydric alcohols
04/14/1981CA1099295A1 Catalytic process for producing polyhydric alcohols and derivatives
04/14/1981CA1099294A1 Process for preparing allylic alcohols from allylic halides
04/14/1981CA1099293A1 PROCESS FOR THE PREPARATION OF .beta.-PHENYLETHYL ALCOHOL
04/14/1981CA1099292A1 Preparation of 2-nitro-2-methyl-1-propanol
04/14/1981CA1099291A1 Process for the production of diamines
04/14/1981CA1099290A1 Process for the preparation of 7-amino-6,7-dihydro (5h) benzocyclohepten
04/14/1981CA1099287A1 Inosadiamine derivatives
04/14/1981CA1099286A1 Process for preparation of organic acid halide
04/14/1981CA1099268A1 Aminoalkyl-furanylalkyl-urea derivatives
04/14/1981CA1099266A1 Process for the preparation of mixtures of dinitroanthraquinones with a high content of 1,5- and 1,8- dinitroanthraquinone
04/14/1981CA1099262A1 Polyhydroxy-alkyl-3,5-disubstituted-2,4,6- triiodocarbanilates
04/14/1981CA1099250A1 Process for the preparation of unsaturated acids from unsaturated aldehydes
04/14/1981CA1099214A1 Method for the preparation of verbenone, myrtenal and pinocarveol and their therapeutical use
04/08/1981EP0026559A1 Liquid carbon dioxide extraction of pyrethrins and a purified pyrethrin composition
04/08/1981EP0026547A1 Process for the preparation of basic salts of alkaline earth metals
04/08/1981EP0026544A1 Process for preparing basic salts of barium
04/08/1981EP0026542A1 Preparation of esters containing an alpha cyano group in the alcohol portion of the ester
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