Patents for C07B 61 - Other general methods (69,072)
01/1992
01/02/1992EP0464018A1 Process for producing N-phosphonomethylglycine
01/02/1992EP0464017A1 Peroxide process for producing N-phosphonomethylglycine
01/02/1992EP0463993A1 Process for the preparation of aminoanthraquinone derivatives
01/02/1992EP0463946A1 Process for the preparation of polyalkoxylated aromatic compounds
01/02/1992EP0463923A1 Oxychloration process and catalyst; their application to the production of 1,2-dichloroethane
01/02/1992EP0463862A2 Aromatic vinyl ether compounds and compositions, and method of making the same
01/02/1992EP0463768A2 Zeolites
01/02/1992EP0463722A1 Simultaneous production of morpholine and 2-(2-aminoalkoxy)alkanols
01/02/1992EP0463679A1 Process for producing gasoline components
01/02/1992EP0463678A2 Process and catalyst for preparing organic carbonates
01/02/1992EP0463556A2 Partially fluorinated tetracarboxylic acid and its dianhydride, process for preparing it and its use
01/02/1992EP0463464A1 Process for the preparation of 2-chloro-5-methylpyridine
01/02/1992EP0463357A1 Derivatives of bisstilbene
01/02/1992EP0307404B1 Process for preparing alkyl-tert-butyl ethers
01/02/1992EP0287675B1 Process for producing biphenols
01/02/1992DE4020270A1 Triacetale Triacetals
01/01/1992CN1057460A Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
01/01/1992CN1057450A Process for preparing 1,1-di(chlorophenyl)-2,2,2 trichloroethanol
01/01/1992CN1057407A Hydrogenation catalyst and process for producing same
12/1991
12/31/1991US5077438 Isomerizing propargyl alcohol with hetergenous catalyst of alk ali and alkaline earth metal cations
12/31/1991US5077434 Process for production of acrylic acid
12/31/1991US5077433 Reacing carbon monoxide, water and diacyloxylated butene in th e presence of palladium and quaternary onium chloride
12/31/1991US5077427 Reacting cyanohydrins with formamide in presence of acid and ammonium salt
12/31/1991US5077425 Nitrile-accelerated hydrocarboxylation
12/31/1991US5077418 Using supported rhodium catalyst
12/31/1991US5077254 Mordenite-based catalyst containing at least one metal from group viii and its use for isomerizing a c8 aromatic fraction
12/31/1991CA2045939A1 Process for the preparation of pyrimidine nucleosides
12/31/1991CA1293734C Process for preparing optically active cyano compound
12/31/1991CA1293732C Catalyzed alkylation of halopyridinates in the absence of added organic solvents
12/28/1991CA2045762A1 Acrylates with an alcohol, aldehyde and/or ether group; process for preparing the same and their use for the production of new polymers and copolymers
12/28/1991CA2045721A1 Hydrocyanation process
12/27/1991EP0462958A2 Preparation of urethane products
12/27/1991EP0462798A2 Release and isolation of O-glycans
12/27/1991EP0462796A2 Release and isolation of N-glycans and O-glycans
12/27/1991EP0462794A2 Automated process equipment for cleavage of biomolecules
12/27/1991EP0462745A2 Zeolites
12/27/1991EP0462673A1 Process for producing gasoline components
12/27/1991EP0462645A1 Process for the preparation of 1,1,1,2-tetrafluorethane
12/27/1991EP0462514A1 Process for preparing 1-chloro-2,2,2-trifluoroethane
12/27/1991EP0462359A1 Trimethoxysilane preparation via the methanol-silicon reaction with recycle
12/27/1991EP0462252A1 Method for preparing citral.
12/27/1991EP0462237A1 1,2-disubstituted 2,6-difluorobenzene compounds and liquid crystal media.
12/27/1991EP0317607B1 A novel process for producing alpha-tocopherol and novel intermediates in this process
12/26/1991WO1991019813A1 Nucleic acid ligands
12/26/1991WO1991017141A3 Diastereoselective process for preparing n-substituted amino acids and derivatives
12/26/1991CA2045304A1 Aromatic vinyl ether compounds and compositions, and method of making the same
12/26/1991CA2037227A1 Nickel-based dual catalyst systems effective in suppressing carbon dioxide formation during diethylene glycol amination
12/25/1991CN1057253A Chemical process for 1,1,1,2-tetrafluoroethane
12/25/1991CN1015178B Process and intermediates for beta-lactam antibiotics
12/25/1991CN1015176B Method for ammoxidation of paraffins catalyst therefor
12/24/1991USRE33779 Preparation process of 4,4-dihydroxybiphenyl
12/24/1991US5075506 Continuous preparation of secondary amines from nitriles using cobalt and zirconium
12/24/1991US5075505 Catalytic hydrogenation of n,n-dimethylalkylamide
12/24/1991US5075493 Process for preparing α, β-unsaturated carboxylic acid ester
12/24/1991US5075486 Heating N-/1-propyl-n-butyl/formamide in absence of oxygen wit h alkali metal/silica gel catalyst
12/24/1991US5075477 Using copper and cadmium cocatalyst; monomer for silicon polymers
12/24/1991US5075468 Preparation of polyurethanes, crosslinking of polysiloxanes
12/24/1991US5075046 Process for the production of vicinally diacyloxy-substituted
12/24/1991CA1293512C Method of preparing 2,3,6-trichloropyridine and 2,3,5, 6-tetrachloropyridine in the gas phase
12/24/1991CA1293509C Method for the preparation of anilinofumarate
12/23/1991WO1992000271A1 Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
12/23/1991WO1992000261A1 Process for adsorbing sulfur species from propylene/propane using regenerable adsorbent
12/23/1991CA2085999A1 Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
12/19/1991DE4030061A1 Prepn. of benzyl ketone derivs. for fungicidal intermediates - by reacting benzyl chloride derivs. with zinc powder, removing excess zinc and reacting prod. with acid chloride
12/19/1991CA2044809A1 Preparation of urethane products
12/19/1991CA2043742A1 Process for preparing 1,1,1,2-tetrafluoroethane
12/18/1991EP0462031A1 Method for the production of dialkoxybutenes
12/18/1991EP0461975A1 The preparation of unsaturated carboxylic acid esters by liquid phase (trans-)esterification using heteropolyacids as catalysts
12/18/1991EP0461972A1 Process for the conversion of N-tertiary amine oxides into aldehydes
12/18/1991EP0461913A2 Catalytic alkenylbenzene cyclization
12/18/1991EP0461802A2 Carbonylation of methanol
12/18/1991EP0461597A2 Method for preparing monohalogenosilanes
12/18/1991EP0461483A2 Method for the production of benzyl ketones
12/18/1991EP0461297A1 Production of vinylidene fluoride from 1,1-difluoroethane
12/18/1991EP0461223A1 Novel 1-triacontanol derivatives
12/18/1991EP0458895A4 Isomerization of waxy lube oils and petroleum waxes using a silicoaluminophosphate molecular sieve catalyst
12/18/1991CN1057047A Fluorination process
12/18/1991CN1015104B Deprotection of allylic esters and ethers
12/17/1991US5073674 High octane alkylates
12/17/1991US5073663 Increasing the level of 2-methyl-2-butene in isoamylene
12/17/1991US5073662 Zinc aluminate with calcium aluminate as catalyst support
12/17/1991US5073661 Catalyst of porous carrier of silica and/or alumina, cobalt metal, and promoter of zirconium and others
12/17/1991US5073657 Volatilized metal compounds
12/17/1991US5073656 High ethylene to ethane processes for oxidative coupling
12/17/1991US5073652 Reforming using a catalyst of a group 8 metal, a zeolite and a halogen
12/17/1991US5073650 Preparation of 1,4-butanediol
12/17/1991US5073649 Reacting ammonia, alkylenamines and alkanolamine in presence of niobium-containing catalyst
12/17/1991US5073635 Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts
12/17/1991CA1293270C Co-production of aromatics and olefins from paraffinic feedstocks
12/17/1991CA1293269C Stabilization of zinc on aromatization catalysts
12/17/1991CA1293268C Process for preparing fluoroethylenes and chlorofluoroethylenes from chlorofluoroethanes
12/17/1991CA1293266C Synthesis of (1-phenyl-ethyl) hydroquinone
12/17/1991CA1293255C Water addition to enchance phosphoric acid salt catalytic activity
12/17/1991CA1293252C Compositions comprising 1-substituted azacycloalkenes
12/13/1991CA2044224A1 Carbonylation of methanol
12/12/1991WO1991018855A1 Process for halogenating aromatic compounds
12/12/1991WO1991018851A2 Process for catalytic conversion of olefins
12/12/1991WO1991018849A1 Transalkylation in the presence of a catalyst slurry
12/12/1991CA2084672A1 Process for catalytic conversion of olefins
12/12/1991CA2044200A1 Process for changing testiary amine n-oxides to aldehydes