Patents
Patents for B01J 27 - Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds (30,090)
03/1992
03/10/1992CA1297123C Process for cosynthesis of ethylene glycol and dimethyl carbonate
03/10/1992CA1297122C Hypofluorites and bis-hypofluorites, and process for preparing same
03/10/1992CA1297121C Process for the preparation of perhalohydrocarbon hypochlorites
03/10/1992CA1297120C Bromofluoroethylhypofluorite and process for its preparation
03/10/1992CA1297118C Preparation of novel aliphatic diisocyanate from styrene
03/05/1992WO1992003382A1 Preparation of anhydrous niobium and tantalum pentafluorides
03/03/1992US5093529 Process for the preparation of fluorinated benzoic acids
03/03/1992US5093523 Oxidation of dibromoperfluorobutane, sulphuric anhydride and oleum, catalyst of mercury, mercury sulphate and boric anhydride
03/03/1992US5093521 Process for producing methacrylic acid
03/03/1992US5093491 Hydrocarbon oxidations catalyzed by azide-activated metal coordination complexes
03/03/1992US5093299 Catalyst for process for the manufacture of acrylonitrile and methacrylonitrile
03/03/1992US5093298 Maleic anhydride catalysts
03/01/1992CA2049560A1 Process for the preparation of thiophene
02/1992
02/26/1992EP0471987A1 Process and apparatus for the preparation of very pure 1,2-dichlorethane with heat recovery
02/26/1992EP0471853A1 Process for producing methacrylic acid
02/26/1992CN1015638B Low-pressure hydrogenation and denitrification catalyst and its application
02/26/1992CN1015621B Process for preparing polyxyalkylene with narrow distribution of molecular weight
02/25/1992US5091602 Catalytic reacting pentachloroethane with hydrofluoric acid
02/25/1992US5091601 Reacting perchloroethylene with hydrogen fluoride in vapor phase using chromia catalyst on aluminum fluoride support
02/25/1992US5091600 Heating 1,1,2,2-tetrafluoroethane with chromia fluorination catalyst, forming 1,1,1,2-tetrafluoroethane
02/25/1992US5091597 Using zinc, cadmium, mercury or tin halide promoters
02/25/1992US5091587 Process for the preparation of ketones
02/25/1992US5091579 Amination of phenols with ammonia in presence of gamma alumina catalyst containing fluoride and low alkali metal
02/25/1992US5091571 Reacting aromatic mono-nitro compound, an aromatic primary amine and carbon monoxide in presence of palladium compound catalyst and ammonium or phosphonium co-catlayst
02/25/1992US5091567 Process for the preparation of 1-aminomethyl-1-cyclohexaneacetic acid
02/25/1992US5091566 Process for the manufacture of aqueous solutions of glyoxylic acid
02/25/1992US5091564 Catalytic oxidation of tetramethyldiphenyl sulfone
02/25/1992US5091563 Process for preparing α-phenylpropionic acid derivative
02/25/1992US5091545 Catalytic oxidation of hydroxy containing aromatic compounds
02/25/1992US5091354 Substituted heteropoly acids having controlled microstructure for selective production of alcohols and/or ketones under mild conditions
02/25/1992US5091168 Preparation of anhydrous niobium and tantalum pentafluorides
02/25/1992CA1296365C Reductive dehalogenation of organic halogen compounds
02/25/1992CA1296355C Process for preparing fluoroaliphatic ether-containing carbonyl fluoride compositions
02/19/1992EP0471320A1 Method for producing trifluoroethylene
02/19/1992CN1058730A Oxidation catalyst and process of preparation
02/19/1992CN1058729A Solid crystallne phosphoric acid hydrocarbon conversion catalyst
02/18/1992US5089656 Forming a phenoxide intermediate, adding an aprotic solvent and an acrylate
02/18/1992US5089511 Trifluoromethylvinyl compounds
02/18/1992US5089462 Oxide support group 4 gel promoter, group 8, and group 6 metal components
02/18/1992US5089454 Catalytic composition for hydrogenation of chlorofluoroalkenes
02/18/1992US5089453 Hydroconversion catalyst and method for making the catalyst
02/18/1992US5089451 Hardened catalyst particles and method for hardening the catalyst particles
02/18/1992US5089245 Catalyst for supported molten salt catalytic dehydrogenation of methanol
02/18/1992CA1295964C Process for the catalytic conversion of hydrocarbon oils
02/12/1992EP0470795A1 Process for the manufacture of nitriles
02/12/1992EP0470728A1 Methods for lowering the nitrogen oxides content of exhaust gases
02/12/1992CN1058581A Catalytic equilibration to improve relative yield of selected halocarbons
02/11/1992US5087789 Olefin oligomerization
02/11/1992US5087787 Method of oxidative conversion
02/11/1992US5087744 Preparation of methacrylic acid
02/11/1992US5087735 Preparation of hexenedioic acid diesters
02/11/1992US5087724 Substituted benzenes useful as intermediates
02/11/1992US5087708 Method of preparing 2,2-dimethyl-4-(2',3'-epoxy) propoxymethyl-1,3-dioxolane and use thereof
02/11/1992US5087431 Catalytic decomposition of cyanuric acid and use of product to reduce nitrogen oxide emissions
02/11/1992CA1295570C Method for isomerizing wax to lube base oils using an isomerization catalyst
02/11/1992CA1295455C Hexaamminealuminum iodide monoammoniate and process for its preparation
02/10/1992CA2047369A1 Manufacturing process
02/08/1992CA2048472A1 Methods for lowering the nitrogen oxides content of exhaust gases
02/05/1992EP0470020A1 Process and catalyst containing a lanthanide compound as promoter for the direct synthesis of dimethyldichlorosilane
02/05/1992EP0469719A1 Alkylamine synthesis over montmorillonite clays
02/05/1992EP0469675A1 Hydrodesulphurization process
02/05/1992EP0469569A2 Process for decabromodiphenylalkane predominant product
02/05/1992EP0469205A1 Solid crystalline phosphoric acid hydrocarbon conversion catalyst
02/05/1992EP0469041A1 A process for isomerizing olefinically unsaturated secondary alcohols
02/05/1992CN1015357B Attrition-resistant sulfides in syngas conversions
02/04/1992US5086189 Epoxidation of ethylenic double bond compounds by hydrogen peroxide in presence of selenium catalyst
02/04/1992US5085763 Catalyst and its use for a catalytic dewaxing process
02/04/1992US5085705 Alumina-silica-sulfates, method of preparation and compositions
02/04/1992CA1295340C Process for the preparation of n,n-diaryl-ureas
02/04/1992CA1295314C Catalyst preparation and hydroconversion process utilizing the catalyst
02/01/1992WO1992002477A1 Catalytic equilibration to improve the relative yield of selected halocarbons
02/01/1992CA2087728A1 Catalytic equilibration to improve the relative yield of selected halocarbons
01/1992
01/29/1992EP0468840A2 Process for the selective epoxidation of unsaturated (meth)acrylates, new functional (meth)acrylates so obtained and their use in the synthesis of new polymers
01/29/1992EP0468477A1 Process for producing dihydric phenols
01/29/1992EP0468320A1 Process for the preparation of glycols from formaldehyde
01/29/1992EP0468290A1 Process for the catalytic gas phase oxidation of propene or isobutene to acrolein or methacrolein
01/29/1992CN1058204A Process for preparation of aryl-substituted propionic acid esters
01/28/1992US5084591 Method for the preparation of cyclopentyl trichlorosilane
01/28/1992US5084257 Sulfur dioxide removal from stack gas
01/27/1992CA2047629A1 Process for producing dihydric phenols
01/23/1992DE4111863A1 Hydrogenation of micro- and macro-crystalline paraffin(s) - on catalyst for hydrogenative demetallisation and catalyst for hydrogenation, giving better colour levels
01/22/1992EP0467192A1 Platinum catalysts on graphite supports and use thereof
01/22/1992EP0467174A1 Platinum catalysts on graphite supports and use thereof
01/22/1992EP0467144A1 Masses with the general formula
01/22/1992EP0467063A2 Process for the preparation of aryl-substituted propionic acid esters
01/22/1992EP0467061A2 Process for production of carboxylic acid
01/22/1992EP0466942A1 Composition comprising epoxy compounds having hydroxyl group and process for producing the same
01/22/1992CN1058013A Process for preparing 1-chloro-2,2,2-trifluoro-ethane
01/22/1992CN1058011A Transalkyation in presence of catalyst slurry
01/21/1992US5082978 With p-dimethoxybenzene and acid catalyst
01/21/1992US5082977 Sulfur-containing selective catalyst
01/21/1992US5082976 Oxidation of aminostyrenes
01/21/1992US5082940 Process for the production of oxides of aromatic tertiary amines
01/21/1992US5082819 Catalyst for catalytic gas phase oxidation of olefins into unsaturated aldehydes and method for making the catalyst
01/21/1992CA1294414C Process for the production of magnesium hydride
01/15/1992EP0466480A1 Process for preparing a catalyst and use of that catalyst for producing maleic anhydride from butane
01/15/1992EP0466471A1 Alkane oxidation catalysts
01/15/1992EP0466305A2 Process for oligomerizing olefins
01/15/1992EP0466268A1 Catalysts and catalysts precursors suitable for hydrocarbon synthesis
01/15/1992EP0465969A1 Process for reactivation of ammoxidation catalysts