Patents for C07B 61 - Other general methods (69,072)
08/1990
08/29/1990EP0246272B1 Silica-titania hydrocarbon conversion catalyst
08/29/1990CN1009362B Composition of matter and method of oxidative conversion of organic compounds therewith
08/29/1990CN1009339B Process for production of composite oxide catalysts
08/29/1990CN1009337B Composition of matter and method for conversion of c3 and c4 hydrocarbons
08/28/1990WO1990009973A1 Preparation of 4-substituted aryl olefins
08/28/1990US4952739 Organoaluminum and hydrogen chloride polymerization catalyst
08/28/1990US4952734 Process for the preparation of methylamines
08/28/1990US4952727 Catalytic vapor phase carbonylation of ester or ether
08/28/1990US4952725 Catalytic oxidation of 4-nitrotoluene-2-sulfonate
08/28/1990US4952723 Process for producing N-phosphonomethylglycine
08/28/1990US4952712 Process for the preparation of 2,3-dimethoxy-5-methylbenzoquinone
08/28/1990US4952710 Cyclopenteneheptenoic acid derivatives and method of preparation thereof
08/28/1990US4952708 Method for preparing biaryl compounds
08/28/1990US4952549 Ruthenium catalyst, process for its preparation and process for the preparation of a mixture of cyclohexylamine and dicyclohexylamine using the ruthenium catalyst
08/28/1990US4952546 Catalyst system for selective alkylation of toluene
08/28/1990US4952292 Process for manufacturing 2,4-hexadiyne-1,6-diol
08/28/1990CA2046643A1 Preparation of 4-substituted aryl olefins
08/28/1990CA1273367A1 Hydroformylation of olefins
08/28/1990CA1273365A1 Hydroformylation of olefins
08/28/1990CA1273364A1 Process for dimerization of aromatic halide compounds
08/28/1990CA1273337A1 Process for the preparation of 2-amino-6-chloropurine
08/27/1990CA2009986A1 Process for the conversion of a hydrocarbonaceous feedstock
08/23/1990WO1990009371A1 Synthesis of hydrocarbyl amines
08/23/1990CA2009739A1 Process for preparing carboxylic acids
08/22/1990EP0383598A1 Process for producing molybdenumcontaining metal oxide fluidbed catalyst
08/22/1990EP0383539A1 Production of alpha-chloro-alpha-oximino-4-hydroxy-acetophenone
08/22/1990EP0383132A1 Cobalt catalysts
08/22/1990EP0383016A1 Synthesis of CIS-olefins
08/22/1990CN1044809A Process for the catalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyamines
08/22/1990CN1009249B Process for preparation of silver-containing catalyst
08/22/1990CA2007987A1 Alkylation catalyst isolation
08/21/1990US4950834 Reacting benzene and propylene to produce cumene; omega type and Y type molecular sieves
08/21/1990US4950825 Catalytic cyclization of 5-tolyl-(or phenyl-) pent(hex)-1 or 2-ene using zeolite catalyst
08/21/1990US4950817 Process for the preparation of 4,4'-dihalobiphenyls
08/21/1990US4950815 Using fluorination catalyst
08/21/1990US4950813 Preparation of substituted benzotrichlorides
08/21/1990US4950811 Process for the preparation of trifluoro-ethanol by hydrolysis, in the gas phase, of chlorotrifluoroethane
08/21/1990US4950810 Olefin substitutions in presence of phosphorus containing compound
08/21/1990US4950809 Process for preparing hydroxylated aromatic derivatives by the Baeyer-Villiger reaction
08/21/1990US4950808 Process for the preparation of 4,4'-dihydroxybiphenyl
08/21/1990US4950807 Reacting phenol with acetone
08/21/1990US4950804 Process for preparing bisphenol A
08/21/1990US4950800 From mixture of aldehydes by adding formaldehyde and distillation in the presence of aldolization catalyst
08/21/1990US4950793 Sulfonation of aromatic hydrocarbons; chloro-or fluoro-sulfonic acid with lewis acid catalyst
08/21/1990US4950787 Chemical process
08/21/1990US4950785 Catalytic process of synthetizing ethylene-tetracarboxylic esters
08/21/1990US4950778 Manufacture of 5-cyanovaleric acid and its esters using cyclic cosolvents
08/21/1990US4950773 In presence of silver catalyst and organic halide
08/21/1990US4950765 Process
08/21/1990US4950763 Preparation of ketones
08/21/1990US4950629 Process for catalyst recovery
08/21/1990CA2010159A1 Cyanation of haloaromatics utilizing catalysts generated in situ starting with nic1 or nic1 6h 0
08/21/1990CA2008161A1 Process for preparing dinitrotoluenes
08/21/1990CA1273018A1 Process for trimerization
08/21/1990CA1273001A1 Chemical process and catalyst
08/18/1990WO1990009363A1 Isomerization of waxy lube oils and petroleum waxes using a silicoaluminophosphate molecular sieve catalyst
08/18/1990CA2010311A1 N-aryl nitrogen heterocycles having fluorine-containing substituents
08/16/1990EP0382543A2 Process for producing pyridine bases
08/16/1990EP0382508A2 The preparation of polyamines
08/16/1990EP0382258A1 Process for preparation of aminopropylalkoxysilane
08/16/1990EP0382178A1 Process for the production of a fire-resistant fluid
08/16/1990EP0382072A1 Nickel catalyzed displacement reaction
08/16/1990EP0382050A1 Process for the preparation of alkanols
08/16/1990EP0382049A1 Catalyst and process for the hydroamination of alcohols
08/16/1990EP0381988A1 Process for removing metallic corrosion products from a contaminated catalyst solution used in the carbonylation of methanol and/or dimethyl acetate and/or dimethyl ether
08/16/1990EP0381964A1 Process for the preparation of polyunsaturated cyclic compounds
08/16/1990EP0381839A1 Method for preparing catalyst precursor for methanol synthesis
08/16/1990EP0381704A1 Process for preparing 2-acetonaphthones
08/16/1990EP0381702A1 Novel method for oxyiodination product partial purification.
08/15/1990CN1044648A Improved hydrogenolysis/dehydrohalogenation process
08/15/1990CN1009198B Process for preparing s-substituted phosphorochloridothiolate
08/15/1990CN1009194B Process for producing alcohols from carbon monoxide and hydrogen using alkali-molybdenum sulfide catalyst
08/14/1990US4948920 Process for the preparation of phenylpyruvic acid from benzyl chloride
08/14/1990US4948917 Reacting phosgene and beta-hydroxyethylsulfonyl-arylamine
08/14/1990US4948890 Catalytic hydrogenation of 2,4-diamino-5-formylamino-6-hydroxypyrimidine and reacting with formic acid
08/14/1990US4948780 Alcohols and ethers having cyclododecyl and cyclododecenyl groups, process for their preparation and scents containing same
08/14/1990CA2008015A1 Production of alpha-chloro-alpha-oximino-4-hydroxyacetophenone
08/14/1990CA1272737A1 Oxidation of 2-arylpropanals
08/14/1990CA1272709A1 Catalyst system for the production of aromatics from aliphatic hydrocarbons
08/10/1990CA2009557A1 Synthesis of hydrocarbyl amines
08/09/1990WO1990008755A1 Manufacture of 1,1,1,2-tetrafluoroethane
08/09/1990WO1990008749A1 Production of allyl chloride
08/09/1990WO1990008748A1 Improved hydrogenolysis/dehydrohalogenation process
08/08/1990EP0381622A2 Method for the production of dihalogenobutyraldehydes
08/08/1990EP0381451A1 A process for preparing acid halides
08/08/1990EP0381369A1 Process for the production of nitriles and oxides
08/08/1990EP0381086A1 Process for the purification and stabilisation of perfluoropolyethers
08/08/1990EP0381040A2 Method for the preparation of 2,2-dialkylpropionaldehydes
08/08/1990EP0381010A2 Process for the preparation of 2-nitro-4-trifluoromethyl aniline
08/08/1990EP0380943A1 New heparinic derivatives and process for their preparation
08/08/1990EP0380911A1 Process for the purification and recovery of a catalyst solution contaminated in the carbonylation of methanol and/or methyl acetate and/or dimethyl ether
08/08/1990EP0380840A1 Method of preparing 2-phenylbenzotriazoles
08/08/1990EP0380672A1 Method for controlling solid-phase synthesis of biopolymers
08/08/1990EP0380578A1 A process for the preparation of 1,4-disubstituted 2-butenes.
08/08/1990EP0216884B1 Photo-initiator for the photo-polymerization of unsaturated systems
08/08/1990CN1044451A Prodn. of non-conjugated diolefins
08/08/1990CN1044413A Reaction processes in a multi-stage fluidized bed
08/07/1990US4947005 Hydroformylation
08/07/1990US4947003 Reacting organic reactant with a mixture of carbon monoxide and hydrogen in the presence of a rhodium complex in a polar solvent
08/07/1990US4946998 Hydrogenation of methylenedianiline to produce bis(para-aminocyclohexyl)methane