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