Patents
Patents for B01J 21 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium (28,523)
12/1994
12/06/1994USRE34804 Method of producing high-strength high surface area catalyst supports
12/06/1994US5371309 Vacancy titanates intercalated with cationic hydroxy aluminum complexes
12/06/1994US5371306 Modified magnesium oxide catalyst
12/06/1994US5371292 Reacting 3-cyano-3,5,5-trimethylcyclohexanone with ammonia over acidic metal oxide catalyst, catalytically hydrogenating
12/06/1994US5371246 Preparation of tetrahydropyran-4-carboxylic acid and esters thereof
12/06/1994US5371055 Increasing metal-tolerance of FCC catalyst by sulfur oxide removal
12/06/1994US5370920 Process for producing catalyst coated thermal shock resistant ceramic honeycomb structures of cordierite, mullite and corundum
12/01/1994DE4317581A1 Process and catalyst for the decomposition of nitrogen oxides
11/1994
11/30/1994EP0626393A1 Ziegler-type spherical catalyst for olefin polymerization, its preparation and its use
11/30/1994EP0626363A1 Process for the préparation of a cyclic ketone
11/30/1994EP0626200A1 Silica-pillared micas
11/30/1994EP0550603B1 High catalyst process for glucamide detergents
11/30/1994CN1095749A Hydrocarbon dearsenicating catalyst
11/29/1994US5369076 Vanadium catalysts and desulfurization of sulfur compound-containing gases therewith
11/29/1994CA2124532A1 Process for the preparation of acetic acid by means of controled oxidation of ethane
11/29/1994CA1333278C Catalyst for steam reforming of hydrocarbon
11/24/1994WO1994026791A1 Process for the preparation of a catalyst support, catalyst for olefin polymerization and process for the polymerization of olefins with said catalyst
11/24/1994WO1994026790A1 Catalyst support, method for making a precursor gel for a catalyst support
11/24/1994WO1994026406A1 Method for the sub-critical drying of aerogels
11/24/1994DE4316923A1 Process for the preparation of aromatic amines and diazonium salts
11/24/1994CA2163119A1 Catalyst support, method for making a precursor gel for a catalyst support, process for making a catalyst support, catalyst for the polymerization of olefins and process for polymerizing olefins with said catalyst
11/24/1994CA2162915A1 Process for the preparation of a catalyst support, catalyst for olefin polymerization and process for the polymerization of olefins with said catalyst
11/23/1994EP0625133A1 Method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction
11/23/1994EP0625071A1 A hydrogenation catalyst, and a method for its preparation and use, in particular for hydrogenation and/or hydrogenolysis of carbohydrates and polyhydric alcohols
11/23/1994CN1095309A Sulfur carbonyl hydrolytic catalyzer
11/22/1994US5366938 Catalysts or carriers
11/22/1994CA1333172C Preparation of promoted silica catalysts
11/17/1994EP0624637A2 Difunctional catalyst useful in wax hydroisomerization and process for preparing it
11/17/1994EP0624546A1 Fluidizable particulate solid catalyst composition
11/16/1994CN1094995A Method for preparation of superstrong acid of carried oxide system
11/16/1994CN1026556C Reclaiming and reusing of waste hydrocarbon steam inversion catalyst
11/15/1994US5365010 Method for regenerating Lewis acid-promoted transition alumina catalysts used for isoparaffin alkylation by calcination
11/15/1994US5364949 Process for the production of branched fatty acids and esters thereof
11/15/1994US5364524 Process for treating heavy oil
11/15/1994US5364516 Rare earth metal zeolite as catalysts for cracking hydrocarbon
11/10/1994WO1994025158A1 A stabilized catalyst carrier and improved carrier configuration for catalytic combustion system
11/10/1994CA2160980A1 A stabilixed catalyst carrier and improved carrier configuration for catalytic combustion system
11/09/1994EP0623584A1 Process for producing carbonic diester
11/09/1994EP0623388A1 Catalyst for the alkylation of paraffins
11/09/1994EP0623095A1 Production of hydrogen peroxide
11/09/1994EP0549698B1 Catalytic production of lactide directly from lactic acid
11/09/1994CN1094733A Process for preparing a ziegler-type spherical catalyst for alpha-olefin polymerization, spherical catalyst, process for preparing a spherical polyethylene of ultra-high molecular weight and spheri...
11/08/1994US5362908 Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid
11/03/1994DE4413734A1 Catalyst for the catalytic afterburning of chlorinated hydrocarbons
11/03/1994DE4345168A1 Carbon black granules
11/02/1994EP0523089B1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation
11/01/1994US5360777 Heat exchanger with catalyst in fluidized bed for forming hydrogen and carbon monoxide
11/01/1994US5360775 Porous clay intercalation compound and its production method
10/1994
10/30/1994CA2122110A1 Hydroprocessing catalyst material and process for production thereof
10/27/1994WO1994024042A1 Catalyst for producing synthesis gas
10/27/1994WO1994023834A1 Catalyst based on silica and titanium, and utilisation of said catalyst for the epoxydation of olefins
10/27/1994DE4413354A1 Process for preparing a buoyant catalyst support based on silica gel
10/26/1994CN1093951A Composition for passivating vanadium in catalytic cracking and preparation thereof
10/25/1994US5358920 Dehydrogenating catalyst for saturate hydrocarbons
10/25/1994US5358917 Improved catalyst selectivity, stability
10/25/1994US5358634 Process for treating heavy oil
10/21/1994CA2121733A1 Paraffins alkylation catalyst
10/18/1994US5356849 Catalytic carbon
10/18/1994US5356847 Formed nickel catalyst on refractory metal oxide support and containing clay mineral binder; fixed bed hydrogenation of fatty materials
10/18/1994CA1332600C Catalysts for selective catalytic reduction denox technology
10/13/1994WO1994022824A1 Process for preparing 3-methylpiperidine and 3-methylpyridine by catalytic cyclisation of 2-methyl-1,5-diaminopentane
10/13/1994DE4311650A1 Highly porous shaped parts based on aluminium oxide
10/12/1994EP0619141A1 Selective inorganic catalysts in the form of molecular imprints in cavities
10/11/1994US5354932 Catalytic hydrocarbon conversion using thermally activated hydrotalcite-type clays
10/11/1994US5354923 Transesterificatin using titanium dioxide as catalyst
10/11/1994US5354915 Converting an a,b-unsaturated aldehye or ketone to the corresponding alcohol using zirconium oxide on a silca support and an alcohol as a hydrogen donor
10/11/1994US5354914 Method for producing lower polyhydric alcohols by hydrogenolysis of higher polyhydric alcohols
10/11/1994CA1332404C Alumina particles
10/05/1994EP0618008A1 Treated pillared clays and alkylation process using same
10/05/1994EP0618006A1 Hydrogenation catalyst, process for its preparation and its use
10/05/1994CN1093060A Preparation of Titanium particles and film
10/04/1994US5352847 Etherification; reacting with methanol
10/04/1994US5352645 With metal crystals dispersed throughout prepared with additive of ammonium citriate or urea to inhibit premature formation of an impervious crust
10/04/1994US5352422 Process for the selective oxidation of sulphur compounds to elemental sulphur
10/04/1994US5352370 Method for SOx removal by catalytic carbon
09/1994
09/29/1994WO1994021580A1 Production of difluoromethane
09/29/1994WO1994021579A1 Production of difluoromethane
09/29/1994WO1994021375A1 Catalyzer for use in hydrorefining hydrocarbon raw material and method of obtaining the same
09/28/1994EP0616846A1 Process for the production of a noble metal hydrogenation catalyst supported on active carbon
09/28/1994CN1092698A Hydrogenated catalyst, preparation and application of same
09/28/1994CN1092697A Method for the preparation of catalyst for refining exhaust gas
09/27/1994CA1332166C Catalytic system for the hydroconversion of heavy oils
09/26/1994CA2119845A1 Selective inorganic catalysts in the form of molecular imprints in cavities
09/21/1994CN1092339A Method for the preparation of catalyst for refining exhaust gas
09/20/1994US5349116 Alkane alkylation and catalyst therefor
09/20/1994US5348987 NOx removal catalyst containing an inorganic fiber
09/20/1994US5348923 Silica-based substrates modified by grafting of polyalkylguanidinium groups, their process of manufacture and their use as catalysts
09/20/1994US5348725 Method of making pillared hydrotalcites and associated products
09/15/1994WO1994020447A1 Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid
09/15/1994WO1994020423A1 Catalytic treatment process for effluents containing organic and inorganic compounds, preferably from epichlorhydrine production
09/15/1994WO1994020213A1 Catalyst regeneration
09/15/1994WO1994020211A1 Production of attrition-resistant catalyst binders through use of delaminated clay
09/15/1994WO1994020203A1 Method of producing spherical particles
09/15/1994WO1994020202A1 Method of removing oxygen, nitrites and/or nitrates from water
09/15/1994DE4321555C1 Process for producing mixed-oxide powders for denitration catalysts
09/15/1994CA2157192A1 Catalyst and method for purifying crude terephthalic acid, isophthalic acid or naphthalene dicarboxylic acid
09/14/1994EP0614880A1 Ortho-alkylation of aromatic amines
09/14/1994EP0614692A1 Catalysts and methods for denitrization
09/14/1994EP0614682A1 Method for removing pollutants and purifying materials
09/14/1994EP0435989B1 Process for the preparation of aromatic nitriles