| 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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| 03/10/1981 | CA1097312A2 Carbon pellets with controlled porosity |
| 03/10/1981 | CA1097307A1 Electrocatalysts and a method for the preparation thereof |
| 03/10/1981 | CA1097079A1 Process for the preparation of hydrogen-rich gas |
| 03/03/1981 | US4254297 Process for the conversion of dimethyl ether |
| 03/03/1981 | US4254296 Process for the preparation of tertiary olefins |
| 03/03/1981 | US4254061 From methanol and ammonia using a mordenite, ferriorite, erionite or clinoptilolite catalyst having good selectivity |
| 03/03/1981 | US4253990 Diatomite, bentonite clay and silica calcined with corn meal and cellulose fibers burned out to provide porosity |
| 03/03/1981 | CA1096564A1 Reticulated anisotropic porous vitreous carbon |
| 02/24/1981 | US4252981 Synthesis of methylene bis(methylanthranilate) |
| 02/24/1981 | US4252955 From 4-halo-5-hydroxy-2(5h)-furanones and formamide at high temperature |
| 02/24/1981 | US4252740 Oxidation of phenyl phosphonous dihalide |
| 02/24/1981 | US4252635 Sulfur oxides control in cracking catalyst regeneration |
| 02/17/1981 | US4251393 Attrition resistant catalysts |
| 02/17/1981 | CA1095925A1 Preparation of silylalkyl esters of phosphorus |
| 02/17/1981 | CA1095882A1 Regeneration method for gravity-flowing deactivated catalyst particles |
| 02/10/1981 | US4250058 Ammoniation, gelation, aging and calcining of alumina hydrosol |
| 02/10/1981 | US4250057 Process for producing a catalyst comprising a graphite containing carbon, a transitional metal and a modifying metal ion |
| 02/03/1981 | US4248852 Process for the production of alumina suitable for use as a catalyst carrier |
| 02/03/1981 | US4248845 Process for preparing crystalline phosphonitrilic chloride oligomers |
| 02/03/1981 | US4248739 Stabilized pillared interlayered clays |
| 02/03/1981 | CA1095072A1 Process for the production of lower alkyl 2-chloro-2- hydroxy-iminoacetates |
| 02/03/1981 | CA1095068A1 Improved process for reacting halosilanes with organopolysiloxanes |
| 02/03/1981 | CA1095065A1 Process for the epoxydation of olefins by hydrogen peroxide |
| 02/03/1981 | CA1095013A1 Preparation method for catalyst support and materials produced thereby |
| 02/03/1981 | CA1094780A1 Process for the preparation of agglomerates porous aluminium oxide |
| 01/28/1981 | EP0023071A1 Process for the preparation of a catalyst from clays for the hydration of olefins and the so prepared catalyst |
| 01/28/1981 | EP0023049A1 Process for passivating metals, modified cracking catalyst and cracking process |
| 01/27/1981 | US4247720 Contacting 3,5,5-trimethyl-2-cyclohexene-1,4-dione with an acid catalysts in the vapor phase |
| 01/27/1981 | CA1094533A1 Reforming catalyst and a hydrocarbon catalytic reforming process using the catalyst |
| 01/27/1981 | CA1094532A1 Transition metal catalyst |
| 01/27/1981 | CA1094490A1 Process for demetallizing hydrocarbon oils |
| 01/20/1981 | US4246139 Hydrogel from sodium silicate, sulfuric acid, titanyl sulfate; aging; sodium removal; organogel |
| 01/20/1981 | US4246138 Ion exchanged hydrorefining catalyst |
| 01/20/1981 | US4246137 Method of preparing zirconia-silica xerogels, the xerogels, and xerogel catalysts |
| 01/20/1981 | CA1094101A1 Process for the manufacture of acetic acid ethyl ester |
| 01/14/1981 | EP0022396A1 Process for the preparation of percarboxylic acids |
| 01/14/1981 | EP0022297A1 Process for the preparation of alkyl benzenes |
| 01/13/1981 | US4245130 Isomerization of alkyl aromatics using a gallium containing aluminosilicate catalyst |
| 01/13/1981 | US4244809 Hydrocarbon conversion using titanium clusters and noble metal on alumina catalyst |
| 01/13/1981 | CA1093538A1 Process for preparing shaped particles from rehydratable alumina |
| 01/07/1981 | EP0021616A1 Catalytic cracking process |
| 01/07/1981 | EP0021475A1 Crystalline silicates, process for their preparation and catalytic conversions using them |
| 01/07/1981 | EP0021374A1 Process for the preparation of 4-amino-diphenyl amines |
| 01/06/1981 | US4243827 Titanium alkylation catalyst |
| 01/06/1981 | US4243644 Process to synthesize ammonia |
| 01/06/1981 | US4243556 Sulfur oxides control in cracking catalyst |
| 01/06/1981 | US4243550 Catalyst demetallization with a reductive SO2 wash |
| 01/06/1981 | US4243517 Internal method for reducing transverse oxygen gradients in FCCU regeneration |
| 12/30/1980 | US4242236 65-130 Angstrom mean radius silica-alumina catalyst support |
| 12/23/1980 | CA1092085A1 Polycarboxylic acids as extrusion aids for silica- aluminas |
| 12/16/1980 | US4239651 Exchanged ammoniated cogels |
| 12/16/1980 | CA1091644A1 Steam dealkylation |
| 12/10/1980 | EP0020017A1 Process for the treatment of olefinic gasoline |
| 12/10/1980 | EP0019674A1 Process for the production of a hollow catalyst carrier made of transition-alumina |
| 12/09/1980 | US4238630 Production of aromatic hydrocarbons |
| 12/09/1980 | US4238465 Removal of phosgene from boron trichloride |
| 12/09/1980 | US4238372 Catalytic reforming catalyst |
| 12/09/1980 | US4238362 Passivation of metals contaminating a used cracking catalyst with certain antimony carbonates and their thio analogues |
| 12/09/1980 | US4238361 Ammoniated silica-alumina gel and catalyst containing the same and processes for producing same |
| 12/09/1980 | US4238360 Hydrothermal treatment |
| 12/02/1980 | US4237031 Ammoniated gel exchanged with rare earth cations |
| 12/02/1980 | US4237030 Catalyst for purifying exhaust gas from an internal combustion engine |
| 12/02/1980 | CA1090801A1 Process for the preparation of fluorinated s- triazines |
| 12/02/1980 | CA1090769A1 Hydrodesulfurization catalyst and use thereof |
| 12/02/1980 | CA1090581A1 Solid propellant with burning rate catalysts |
| 12/02/1980 | CA1090536A1 Spheroidal alumina particles |
| 11/25/1980 | US4235756 Modified gamma alumina composition |
| 11/25/1980 | US4235751 Modified montmorillonite clay catalyst |
| 11/25/1980 | US4235748 Method of making improved hydrogenation catalyst |
| 11/25/1980 | CA1090361A1 Process for the catalytic epoxydation of olefins |
| 11/18/1980 | US4234462 Copper, chromium, reducing agents |
| 11/18/1980 | US4234452 High pressure oxygen aqueous phase catalyst demetallization |
| 11/11/1980 | CA1089479A1 Preparation of maleic anhydride from four-carbon hydrocarbons |
| 11/11/1980 | CA1089431A1 Hydrotreating catalyst and process utilizing the same |
| 11/04/1980 | US4231900 Oxidation catalysts for automobile exhaust systems |
| 11/04/1980 | CA1088915A1 Pellet type oxidation catalyst |
| 11/04/1980 | CA1088884A1 Process for the conversion of hydrocarbons |
| 10/29/1980 | EP0018118A2 Production of thiophenols |
| 10/29/1980 | EP0018022A1 Process for preparing a catalyst for the hydration of olefins to alcohols |
| 10/28/1980 | CA1088574A1 Process for the high pressure methylation of 2,6- xylenol |
| 10/28/1980 | CA1088495A1 Catalyst demetallization by oxidation in a defined temperature range |
| 10/28/1980 | CA1088276A1 Process for removal of hydrogen sulfide and hydrogen polysulfide from liquid sulfur |
| 10/21/1980 | US4229610 Olefin double bond isomerization |
| 10/21/1980 | US4229597 Decomposition of m-diisopropylbenzene dihydroperoxide with an alumina-silica catalyst in a dispersion of a ketone and an aromatic hydrocarbon solvents |
| 10/21/1980 | CA1088014A1 Hydrorefining asphaltenic petroleum charge stocks |
| 10/14/1980 | US4228038 Method for the preparation of catalyst of vanadium pentoxide on substrate of titanium dioxide |
| 10/14/1980 | CA1087595A1 Silica support, catalyst and processes |
| 10/14/1980 | CA1087593A1 Macroporous microspheroids and a process for their manufacture |
| 10/14/1980 | CA1087592A1 Catalyst demetallization utilizing a combination of reductive and oxidative washes |
| 10/14/1980 | CA1087591A1 Catalyst demetallization with a reductive so.sub.2 wash |
| 10/07/1980 | US4227023 Process for the selective ortho-alkylation of phenolic compounds |
| 10/07/1980 | US4226743 Silica-alumina hydrogel catalyst |
| 10/01/1980 | EP0016599A1 Hydrotreating a hydrocarbon stream to remove nitrogen and sulfur and catalyst used in such hydrotreatment |
| 10/01/1980 | EP0016495A1 Process for the preparation of methane and ethane and methane and/or ethane so prepared |
| 10/01/1980 | EP0016494A1 Process for the preparation of an aromatic hydrocarbon mixture, and aromatic hydrocarbon mixtures so prepared |
| 10/01/1980 | EP0016346A1 Process for preparing urethanes |
| 09/30/1980 | US4225735 Acidic alumina or montmorillonite catalyst |
| 09/30/1980 | US4225559 Ceramic element sensor |
| 09/30/1980 | US4225419 Alumina isomerization process |
| 09/23/1980 | US4224302 From boehmite |