Patents
Patents for B01J 21 - Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium (28,523)
11/1993
11/23/1993US5264636 Process for producing highly pure phenol
11/23/1993US5264404 Metallized particles intercalated with a clay, oxidation/ reduction catalyst
11/18/1993EP0569877A1 Low-temperature denitration of exhaust gases
11/18/1993EP0536307A4 Hydroconversion catalyst, method of making the catalyst and method for the hydrodenitrogenation of a hydrocarbon feed using the catalyst
11/18/1993DE4215907A1 Catalyst based on carbonised ion exchanger - by coating on substance and carbonising or actuating
11/16/1993US5262554 Process for preparation of beta-cyanoalkylsilanes
11/16/1993US5262373 Alkali metal salt oxidizer
11/16/1993US5262102 Catalyst supports for exhaust systems
11/16/1993CA1324395C Process for producing 1,1-dichloro-1,2,2,2- tetrafluorethane
11/13/1993CA2095938A1 Removal of nitrogen from flue gases at low temperatures
11/11/1993WO1993022052A1 Catalysts suitable for removing sulphur compounds from industrial gases, process for preparing the same and their use
11/11/1993WO1993019058A3 Process for the production of cyclic esters from hydroxy acids and derivatives thereof
11/10/1993EP0569168A2 Synthesis of alkyl tert-alkyl ether using haloacid-modified clay catalysts
11/10/1993EP0568817A2 Process for producing highly pure phenol
11/10/1993EP0568741A1 Catalysts containing homogeneous layered clay/inorganic oxide
11/10/1993CN1078174A Catalyst of alkylation of paraffines
11/09/1993US5259948 Hydrocarbon conversion process using a novel silicon enhanced amorphous silica-alumina
11/05/1993CA2078484A1 One step synthesis of methyl t-butyl ether from t-butanol using haloacid-modified clay catalysts
11/03/1993EP0568170A1 Catalytic cracking catalysts and additives
11/03/1993EP0567478A1 Catalytic hydrogenolysis.
11/02/1993US5258558 Direct conversion of butyraldehyde to 2-ethylhexanol-1
11/02/1993CA1323881C Alkylation of aromatic hydrocarbons in a fixed bed catalytic process
10/1993
10/28/1993WO1993021283A1 Demetallation catalyst
10/27/1993EP0566798A1 Bisphenol a production using acid modified clay catalysts
10/27/1993EP0566680A1 Layered oxide materials and swollen and pillared forms thereof
10/27/1993EP0559808A4 A catalyst structure having integral heat exchange (ii)
10/27/1993CN1022545C Resin-carried nickel boride catalyst and preparation thereof
10/26/1993US5256786 Catalytic reforming of cyclic alkyleneamines
10/26/1993US5256617 Vacancy titanates intercalated with cationic hydroxy aluminum complexes
10/26/1993US5256386 Method for preparation of silica particles
10/21/1993CA2078457A1 Bisphenol a production using acidic clay catalysts
10/20/1993EP0566348A2 Zirconia-pillared clays and micas
10/20/1993EP0565941A1 Catalytically active coating composition
10/20/1993EP0550640A4 Lewis acid promoted transition alumina catalysts and isoparaffin alkylation processes using those catalysts
10/19/1993US5254786 Contacting with supported molybdenum or rhenium catalyst promoted with an organoborane compound
10/19/1993US5254520 Catalyst for the synthesis of methanol
10/19/1993US5254518 Group IVB oxide addition to noble metal on rare earth modified silica alumina as hydrocarbon conversion catalyst
10/19/1993US5254240 Hydrocracking of petroleum feedstocks using a tri-elemental catalyst with a titania-alumina support
10/19/1993CA1323358C Production of olefins
10/19/1993CA1323174C Process for the treatment of sulfur composite containing industrial gases
10/13/1993EP0565076A1 Process for preparing carbonate
10/13/1993EP0564706A1 Selective synthesis of mercaptans and catalyst therefor
10/13/1993EP0564644A1 Method for the production of hydrogen peroxide using fullerenes
10/13/1993CN1077204A Stabilized 141b
10/12/1993US5252751 Diphosphines containing silane groups, immobilised diphosphines and the use thereof as hydrogenation catalysts
10/12/1993US5252272 Thermal shock and creep resistant porous mullite articles prepared from topaz and process for manufacture
10/08/1993CA2093378A1 Process for preparing carbonate
10/06/1993EP0564109A1 Production of organosilanes from polysilanes
10/06/1993EP0564040A2 Two-step process for liquid-phase production of oximes
10/06/1993EP0507939B1 Method of treating aqueous liquids to decompose halogenated organic compounds using a combination of light energy and ultrasonic energy in the presence of a photocatalyst
10/05/1993US5250707 Process for preparing ε-caprolactone
10/05/1993US5250489 Catalyst structure having integral heat exchange
10/05/1993US5250277 Crystalline oxide material
10/05/1993CA1322767C Process for the production of pure dimethylether
10/05/1993CA1322746C Hydrocracking of heavy oils in presence of petroleum coke derived from heavy oil coking operations
10/04/1993CA2093284A1 Process for producing highly pure phenol
10/04/1993CA2091513A1 Production of organosilanes from polysilanes
09/1993
09/30/1993WO1993019058A2 Process for the production of cyclic esters from hydroxy acids and derivatives thereof
09/29/1993EP0562509A1 Reactivation of an activated carbon catalyst used for preparing 1,1,1,2,3,3,3-heptafluoropropane
09/29/1993EP0561928A1 Method for preparing 5-hydroxymethyl furfural by contact catalysis.
09/28/1993US5248644 Heat resistance formed by mixing, separation, washing and drying then roasting
09/28/1993US5248642 Rare earth compounds and kaolin formed by slurrying and spray drying and roasting
09/28/1993US5248409 Reforming, isomerization
09/25/1993CA2084472A1 Selective synthesis of mercaptans and catalyst therefor
09/22/1993CN1076386A A method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction
09/21/1993US5246899 Simplified preparation of hydrotalcite-type clays
09/21/1993CA1322365C Method of preparing nickel-alumina catalyst
09/16/1993WO1993018017A1 Catalytic reforming of cyclic alkyleneamines
09/16/1993WO1993017786A1 Abrasion-resistant catalyst carrier
09/16/1993WO1993017778A1 METHOD FOR THE PREPARATION OF HIGHLY REACTIVE CLAY COMPOSITES FOR THE REMOVAL OF SOx FROM FLUE GAS STREAMS
09/16/1993DE4207961A1 Abriebfester katalysator-traeger Abrasion-resistant catalyst-traeger
09/15/1993EP0560074A1 High surface area washcoated substrate and method for making
09/15/1993EP0559808A1 A catalyst structure having integral heat exchange (ii).
09/15/1993CN1022131C Laminated substrate for catalytic combustor reactor bed
09/14/1993US5245112 Alloy or metal of titanium, zirconsium, niobium
09/14/1993US5245096 Aromatization, hydrotalcite type catalyst support
09/14/1993US5245032 Catalytic processes for the preparation of n,n,n-trisubstituted nitrogen-containing compounds
09/14/1993US5244648 Treatment with aqueous acid
09/08/1993EP0559010A2 Catalyst for hydrolysing carbonylsulfide
09/08/1993EP0558996A1 Process for the preparation of dialkyle carbonates
09/08/1993EP0558816A1 Process for the preparation of monobenzylated alkylbiphenyls and their use
09/08/1993CN1075900A Preparation method for ultra-strong acid of oxide system
09/07/1993US5243118 Process for oligomerizing olefins using sulfate-activated molecular sieves
09/07/1993US5243114 Oligomerization of alpha-olefins over layered silicate compositions containing pillars of silica and group VIB metal oxide
09/07/1993US5243101 Removal of peroxide contaminants from tertiary butyl alcohol
09/07/1993US5243081 Aldol condensation dehydration catalyst, a process for preparing the same and a process for preparing an aldol condensation dehydrate using the process
09/07/1993US5242879 Active carbon materials, process for the preparation thereof and the use thereof
09/02/1993DE4206310A1 Engine exhaust catalyst - made by moulding and cold hardening mixt. of catalyst and support materials
09/01/1993EP0558346A1 Silver catalyst for production of ethylene oxide
09/01/1993EP0558343A1 Catalyst composition with modified silica-alumina support
09/01/1993EP0557764A1 Process for making anionic clay catalysts, catalysts made thereby, and method of making isophorone
09/01/1993EP0477343B1 Active composite and its use as reaction medium
09/01/1993CN1075698A Bio-active coal filtering material and its application
08/1993
08/31/1993US5241114 Controlling temperature
08/31/1993CA1321797C Process for preparing telomers from chlorotrifluoroethylene and 1,1-dibromo-1- chlorotrifluoroethane
08/29/1993CA2088528A1 Process for making efficient anionic clay catalyst, catalysts made thereby, and method of making isophorone
08/28/1993CA2089457A1 Catalyst system for curing epoxy compounds
08/25/1993EP0557169A1 Catalyst for the dehalogenation of alpha-halogenated carboxylic acids and the use thereof for purifying monochloroacetic acid
08/25/1993EP0556554A2 Coating dispersion for exhaust gas catalysts
08/25/1993CN1021909C Process for preparation of oxirane compound