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)
09/1991
09/06/1991CA2077552A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991CA2077551A1 Catalytic system for olefin oxidation to carbonyl products
09/06/1991CA2077550A1 Preparation of phosphomolybdovanadate polyoxoanions
09/06/1991CA2077549A1 Process for the production of methyl ethyl ketone
09/06/1991CA2077548A1 Catalytic system for olefin oxidation to carbonyl products
09/05/1991WO1991011257A3 Chemical compound containing alkaline or alkaline earth metals, catalyst containing same, and a transforming and particularly solvolyzing method using said catalyst
09/04/1991EP0445096A1 Process for preparing metal-free fatty peroxyacid precusors having amide moieties in the fatty chain
09/04/1991EP0444989A1 Dielectric compositions comprising benzyltoluene and (methylbenzyl)xylene
09/04/1991EP0444888A1 Process for the desilylation of a 4-silyloxy-tetrahydro-pyran-2-one
09/04/1991EP0444750A2 Process for converting toluene and butadiene to styrene and 1-pentene
09/04/1991EP0444399A1 Tantalum-containing catalyst useful for producing alcohols from synthesis gas
09/04/1991EP0253896B1 Process for producing methacrylic acid and catalysts for the process
09/03/1991US5045518 Presufiding
09/03/1991US5045301 Moldable/extrudable titanium dioxide particulates
09/03/1991CA2033732A1 Tantalum-containing catalyst useful for producing alcohols from synthesis gas
08/1991
08/28/1991EP0443905A1 Catalyst for the treatment of exhaust gases and process for the treatment of these exhaust gases
08/28/1991EP0443899A1 Process for synthetising oligomers of (methylbenzyl)xylene and their use as dielectric
08/28/1991EP0443856A1 Preparation of isopropylidene bis(phthalic acid) and isopropylidene bis (phthalic anhydride)
08/28/1991EP0443071A1 Process and catalyst for hydrochlorination of hydrocarbons
08/28/1991EP0442947A1 Selective monoepoxidation of styrene, styrene analogs, and styrene derivatives to the corresponding oxide with molecular oxygen.
08/28/1991CN1013668B Improved catalyst and process for the fluid-bed oxychlorination of ethylene to edc
08/28/1991CN1013662B Method for preparation polychlorophosphnitrile under bis (dichlor-phosphoryl) imide
08/28/1991CN1013646B Method for vapor-phase intermolecular dehydration of alkanolamines
08/27/1991US5043509 Mixing silica and phosphoric acid; extrusion, calcining
08/27/1991US5043508 Process for preparing long chain alkyl aromatic compounds
08/27/1991US5043507 Process for preparing alkyl-substituted aromatic hydrocarbons
08/27/1991US5043505 High molecular weight
08/27/1991US5043491 Chlorofluorination, hydrodehalogenation with metal containing catalyst
08/27/1991US5043483 With acid catalyst and solvent for selective yield of mono-alkylated product
08/27/1991US5043475 Oxidation of N-phosphonomethyliminodiacetic acid with peroxide and metal catalyst of iron, zinc, aluminum, vanadium and copper
08/27/1991US5043448 Acid catalyzed deprotection/cyclodehydration
08/27/1991CA2037019A1 Process for converting toluene and butadiene to styrene and 1-pentene
08/27/1991CA2036996A1 Process for preparing metal-free fatty peroxyacid precursors having amide moieties in the fatty chain
08/23/1991CA2035239A1 Maleic anhydride catalysts and process for their manufacture
08/22/1991WO1991012248A1 Composition comprising hydroxylated epoxy compound and preparation thereof
08/21/1991EP0442517A1 Preparation process of catalysts for producing methacrylic acid
08/21/1991EP0442075A1 Process for preparing 1,1,1,3,3,3,-hexafluoropropane and 2-chloro-1,1,1,3,3,3,-hexafluoropropane
08/21/1991CA2036569A1 Process for the synthesis of (methylbenzyl)xylene oligomers and their application as a dielectric substance
08/20/1991US5041688 Process for the preparation of polyglycerols
08/20/1991US5041649 Preparation of carbonyl halides
08/20/1991US5041646 Process for producing 2-methyl-2-butenoic acid
08/20/1991US5041643 Process for the production of R(+)-aminocarnitine and S(-)-aminocarnitine
08/20/1991US5041634 Process for the preparation of carboxylated aromatic hydroxy compounds
08/20/1991US5041632 Process for the preparation of 4,4'-dinitrostilbene-2,2-disulfonic acid
08/20/1991US5041614 Method for the preparation of 4-acetoxystyrene
08/20/1991US5041595 Method for manufacturing vinylalkoxysilanes
08/20/1991US5041572 Oxidation of trimethylphenyl in presence of copper (II) halide catalyst and aliphatic alcohol solvent
08/20/1991US5041571 Cooling first reaction of phthalic anhydrides and benzenes over catalyst mixture of hydrogen fluoride and trifluorobro-mine, heating second reaction without separation of chemical intermediates
08/20/1991US5041553 Process for the preparation of 2-substituted 1-(acylaminoalkyl)-2-imidazolines
08/20/1991US5041548 Method for the preparation of triethylene diamines
08/20/1991US5041404 Method of presulfiding a hydrotreating, hydrocracking or tail gas treating catalyst
08/20/1991CA2036505A1 Gas effluent processing catalysts; processing method
08/14/1991EP0441685A1 Catalytic system and its use in the oxydehydrogenation of saturated carboxylic acids
08/14/1991EP0441347A1 Method of producing naphthalene dicarboxylic acid
08/14/1991EP0441312A1 Process for producing methacrylic acid
08/14/1991EP0441260A1 Catalytic carbonylation process
08/14/1991EP0441195A1 Process for the preparation of base oils and middle distillates stabilized against oxydation and low temperatures
08/14/1991CN1013481B Ethylene oxide catalyst and process for catalytic production of ethylene oxide
08/13/1991US5039648 Process for the preparation of cobalt catalysts
08/13/1991US5039643 Method for the production of catalytically active coatings for the production of hydrogen cyanide
08/13/1991CA1287643C Method of preparing 5-amino salicylic acid
08/13/1991CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis
08/13/1991CA1287611C Layered metal oxides containing interlayer oxides and their synthesis
08/13/1991CA1287590C Hydroconversion process
08/13/1991CA1287477C Process for the manufacture of iodine
08/10/1991CA2035426A1 Catalytic carbonylation process
08/08/1991WO1991011428A1 Olefinically unsaturated adducts of ethylene on polyunsaturated fatty acids or fatty acid esters, process for producing them and their use
08/08/1991WO1991011257A2 Chemical compound containing alkaline or alkaline earth metals, catalyst containing same, and a transforming and particularly solvolyzing method using said catalyst
08/08/1991DE4003175A1 Oxidn.- and cold-stable middle distillates prodn. - from mineral oil fractions by hydrocracking using hydrocracking catalyst and hydrotreating using borosilicate pentasil zeolite
08/07/1991EP0440593A2 Oxidation of tertiary-alkyl substituted aromatics and catalysts therefor
08/07/1991EP0440555A1 Chemical compound containing alkali or earthalkyli, catalyst containing the same, and transformation process, in particular solvolysis using this catalyst
08/07/1991EP0440390A1 Process for the preparation of bisphenols
08/07/1991EP0440250A2 Method of preparing alkylnaphthalene compounds
08/06/1991US5037992 Catalytic sulfation at hydroxyl group withether sulfate; surfactants
08/06/1991US5037956 Esterification with reaction product of aniline and hydroquinone; polymer antidegradant
08/06/1991US5037911 Addition polymerization using a catalyst which is activated by heating
08/06/1991US5037838 Method for the manufacture of triethylenediamine using a pelleted titania-supported tungstopyrophosphate catalyst
08/06/1991US5037790 Solid catalyst functionalized with sulfonic groups, process for perparing it and its use
08/03/1991CA2035573A1 Chemical compound containing alkali of alkali-earth metals, catalyst containing same, and transformation process, such as solvolysis, using same
07/1991
07/31/1991EP0439445A1 Process for producing n-phosphonomethylglycine
07/31/1991EP0439404A2 Preparation of 2-(2'-thienyl) alkylamines and derivatives thereof and synthesis of 4,5,6,7- thieno [3,2-c] pyridine derivatives therefrom
07/31/1991EP0424460A4 Heterogeneous isoparaffin/olefin alkylation process
07/31/1991CN1013374B Carbon monoxide-olefin polymeric method
07/31/1991CN1013364B Preparation method of bisphenol a
07/31/1991CN1013362B Process for producing hydroxybenzenes
07/31/1991CN1013361B Catalyst containing pt, sn, li, s for dehydrogenation of saturated hydrocarbon
07/30/1991US5036035 Solid strong acid catalyst process for the production of the same and use thereof
07/30/1991US5035793 Metals, oxides, sulfides of group six and eight
07/30/1991CA2035081A1 Process for the preparation of bisphenols
07/26/1991CA2034929A1 Preparation of 2-(2'-thienyl)alkylamines and derivatives thereof and synthesis of 4,5,6,7-thieno[3,2-c]pyridine derivatives therefrom
07/25/1991WO1991009020A3 Production of 5-(4'-hydroxyphenyl)hydantoin and d-p-hydroxyphenylglycine from 4-hydroxyacetophenone
07/25/1991DE4002012A1 Olefinisch ungesaettigte addukte von ethylen an mehrfach ungesaettigte fettsaeuren bzw. fettsaeureester, verfahren zu ihrer herstellung und ihre verwendung Olefinic unsaturated adducts of ethylene to polyunsaturated fatty acids or fettsaeureester, process for their production and their use
07/24/1991EP0438349A1 Reaction device containing a calander reactor and stratification means for a heat-exchange fluid stream
07/24/1991EP0437820A2 Process for the preparation of glycosyl-anthracyclinones
07/24/1991EP0437608A1 Process for decomposing ammonia
07/24/1991EP0424445A4 Heterogeneous isoparaffin/olefin alkylation process
07/24/1991CN1053227A Process for preparing pentafluorodichloropropanes
07/24/1991CN1053197A Process for manufacture of acrylonitrile and methacrylonitrile
07/23/1991US5034558 Process for purifying methyl methacrylate
07/23/1991US5034545 Preparation of 2,5-dihydrofurans