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