| 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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| 08/25/1981 | US4285908 Catalyst regeneration apparatus |
| 08/25/1981 | US4285837 Nickel oxide on alumina |
| 08/25/1981 | CA1107766A1 Process for the manufacture of octafluoropropane |
| 08/25/1981 | CA1107720A1 Process for preparing ethers of bufadienolide and bufatrienolide |
| 08/18/1981 | US4284817 Process for preparing thiophenols |
| 08/05/1981 | EP0033212A2 Process for the production of oxygenated hydrocarbons from synthesis gas |
| 08/04/1981 | CA1106352A1 Production of perchloromethyl mercaptan |
| 08/04/1981 | CA1106346A1 Pillared interlayered clay materials useful as catalysts and sorbents |
| 07/29/1981 | EP0032543A1 Process for the isomerization of n-alkenes |
| 07/28/1981 | US4281195 In the presence of a catalyst |
| 07/28/1981 | US4281194 Process for ammoximation of cyclohexanone |
| 07/28/1981 | US4280929 Attrition resistant-higher active component fluid bed catalysts |
| 07/28/1981 | US4280898 Metal reactants used for absorbing sulfur oxides |
| 07/28/1981 | US4280897 Removal of contaminating metals from FCC catalyst by NH4 citrate chelates |
| 07/28/1981 | US4280896 Passivation of cracking catalysts |
| 07/28/1981 | US4280845 Cordierite ceramic |
| 07/28/1981 | US4280820 Coprecipitated catalyst of improved pore size for methanation |
| 07/22/1981 | EP0032298A2 Catalysts supports and cracking catalysts incorporating them |
| 07/21/1981 | US4279849 Starches, firing, crystallization |
| 07/21/1981 | US4279782 Application of an alumina coating to oxide whisker-covered surface on Al-containing stainless steel foil |
| 07/21/1981 | US4279780 Method of preparing catalyst supports |
| 07/21/1981 | US4279779 Spheroidal alumina particles and catalysts employing the particles as a support |
| 07/21/1981 | US4279735 Passivation of metals contaminating a used cracking catalyst with certain antimony carbonates and their thio analogues |
| 07/14/1981 | US4278820 Reacting alkylene oxide with aliphatic alcohol, ion exchanged clay catalyst |
| 07/14/1981 | US4278566 Refractory, chromium, molybdenum, and group 8 metal components |
| 07/09/1981 | WO1981001845A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays |
| 07/09/1981 | WO1981001844A1 Proton-catalysed reactions catalysed by hydrogen ion-exchanged layered clays |
| 07/08/1981 | EP0031687A1 Proton-catalysed reactions catalysed by hydrogen ion-exchanged layered clays |
| 07/07/1981 | USRE30668 Impregnation of alumina with silicon compound followed by controlled oxidation |
| 07/07/1981 | US4277376 Process for the manufacture of a monolithic support for catalysts suitable for use in controlling carbon monoxide emissions |
| 07/01/1981 | EP0031252A1 Proton-catalysed reactions in which water is not a stoichiometric reactant catalysed by metal cation-exchanged layered clays |
| 06/30/1981 | US4276231 Process for the preparation of optionally substituted benzoyl chloride |
| 06/30/1981 | CA1104116A1 Process for reactivating fluorination catalysts |
| 06/30/1981 | CA1104115A1 Large-pore hydrodemetallization catalyst and process employing same |
| 06/30/1981 | CA1104112A1 Method of preparing activated graphite and catalysts based thereon |
| 06/30/1981 | CA1103896A1 Methods for preparation and use of aluminas having contolled porosity |
| 06/23/1981 | US4275052 Hydrolysis of aluminum alkoxide in ether, ketone or aldehyde solvent |
| 06/23/1981 | US4274942 Control of emissions in FCC regenerator flue gas |
| 06/23/1981 | CA1103650A1 Treatment of silica |
| 06/16/1981 | US4273735 Production of spheroidal alumina shaped articles |
| 06/16/1981 | US4273560 Method for operating combustion devices |
| 06/09/1981 | CA1102777A1 Low-metal content olefin hydration catalyst and related process |
| 06/02/1981 | US4271327 Group 8 metal on an aluminum sponge catalyst |
| 06/02/1981 | US4271136 Process for the production of ammonia |
| 06/02/1981 | US4271043 Pillared interlayered clay products |
| 06/02/1981 | US4271042 Process for demetalation and desulfurization of petroleum oils |
| 06/02/1981 | US4271008 Hydropyrolysis |
| 06/02/1981 | CA1102298A1 Platinum, rhodium, and palladium catalyst for automotive emission control |
| 05/27/1981 | EP0029282A1 Process for preparing 5-halopyrimidines and 5-pyrimidine methanols |
| 05/26/1981 | US4269737 Acid catalysts for petroleum refining comprising an oxide component of tungsten or niobium; pretreatment of steaming at high temperatures in the presence of inert gases |
| 05/26/1981 | US4269735 Magnesium oxide catalyst |
| 05/26/1981 | CA1101633A1 Crystalline borosilicate (ams-1b) and process use |
| 05/20/1981 | EP0028724A1 Process for preparing aryl isocyanates by thermal decomposition of aryl urethanes |
| 05/19/1981 | CA1101447A1 Process for preparing bromine- and fluorine - containing halogenated hydrocarbons |
| 05/19/1981 | CA1101441A1 Manufacture of glycol esters |
| 05/13/1981 | EP0028327A1 Process for the preparation of carboxylic acid halides |
| 05/12/1981 | US4267032 Demetallization process for a conversion catalyst |
| 05/12/1981 | US4266672 Catalytic cracking with sepiolite |
| 05/12/1981 | CA1100721A1 Carbon pellets with controlled porosity |
| 05/06/1981 | EP0028107A1 Process for the production of esters in the presence of a heterogeneous esterification catalyst |
| 05/05/1981 | US4265837 By oxychlorination of ethylene over copper/ii/ chloride catalyst |
| 05/05/1981 | US4265834 Process for the catalytic hydrogenation of nitrobenzene |
| 04/28/1981 | US4264474 Ammoniated silica-alumina gel and catalyst containing the same and processes for producing same |
| 04/21/1981 | US4263467 Recovery of boron trifluoride from a hydrocarbon liquid |
| 04/21/1981 | US4263268 Depositing polymerizable material onto porous substrate, pyrolysis, graphitization |
| 04/21/1981 | US4263225 Hydrogenation process using supported nickel-cobalt-silica coprecipitated catalyst |
| 04/21/1981 | US4263173 Supported nickel-cobalt-silica coprecipitated hydrogenation catalyst |
| 04/21/1981 | CA1099692A1 Porous zirconia containing ceramics |
| 04/16/1981 | WO1981000971A1 Catalyst compositions,their method of formation and combustion processes using the catalyst compositions |
| 04/14/1981 | US4261900 Preparation of tetrahydrofuran |
| 04/14/1981 | US4261862 Platinum or palladium on a spinel coating a support |
| 04/07/1981 | US4260524 Hollow catalyst carrier and hollow catalyst made of transition-alumina and process for production thereof |
| 04/07/1981 | US4260521 Aluminum and silicon allou |
| 04/07/1981 | US4260475 Hydrocarbon cracking process |
| 04/01/1981 | EP0025900A1 Process for producing shaped spherical bodies based on Al2O3 and their use |
| 03/31/1981 | US4259210 Crystalline alumino silicate-silica-alumina gel hydrocarbon conversion catalysts and processes for producing same |
| 03/31/1981 | US4259176 Reaction of product formed from alumina and sulfur oxides with hydrocarbons to form hydrogen sulfide |
| 03/31/1981 | US4259092 Multilayer corrugated board of active carbon fibers |
| 03/31/1981 | CA1098505A1 Metals passivation with catalyst fines |
| 03/31/1981 | CA1098472A1 Process for the selective desulfurization of cracked naphthas |
| 03/25/1981 | EP0025746A1 Reactivation of chemical reconversion catalysts used in a cyclic production process of hydrogen peroxide, and use of an apparatus for putting it into practice |
| 03/25/1981 | EP0025715A1 Process for the production of a supported solid oxide complex catalyst and use thereof |
| 03/25/1981 | EP0025693A1 Preparation of monomethylamine from ammonia and methanol using a zeolitic catalyst |
| 03/25/1981 | EP0025638A1 Process for the production of 1-crotonoyl-2,6,6-trimethylcyclohexa-1,3-diene and esters of alkynylcyclohexane derivatives as intermediates therefor |
| 03/25/1981 | EP0025519A1 Process for the production of 2-alkyl- or 2-arylthiomethyl phenol |
| 03/24/1981 | US4257961 Purification of tetrahydrofuran |
| 03/24/1981 | US4257916 Reacting an inorganic oxide with a haloalkyl oxysilane which product is reacted with an inorganic sulfite to form a sulfonate salt |
| 03/24/1981 | US4257876 Passivation of metals contaminating a cracking catalyst with trihydrocarbylantimony oxide and process for converting hydrocarbons |
| 03/24/1981 | CA1097887A1 Process for the synthesis of ammonia using a catalyst supported on graphite-containing carbon |
| 03/18/1981 | EP0025381A1 Process for the production of percarboxylic acids |
| 03/17/1981 | US4256715 Process for preparing crystalline phosphonitrilic chloride oligomers |
| 03/17/1981 | US4256711 Catalysis |
| 03/17/1981 | US4256682 Method of preparing silica gel pellets |
| 03/17/1981 | US4256564 Cracking process and catalyst for same containing indium to passivate contaminating metals |
| 03/11/1981 | EP0024954A1 Catalyst for production of unsaturated carboxylic acid, preparation thereof and production of unsaturated carboxylic acid |
| 03/10/1981 | US4255287 Comprising zeolite-modified silica-alumina catalysts incorporating antimony and tin or their compounds; passivation of metal deactivator |
| 03/10/1981 | CA1097376A1 Method for preparing 2,6-ditert. butylphenol |
| 03/10/1981 | CA1097361A1 Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor |
| 03/10/1981 | CA1097317A1 Regeneration process for poisoned claus alumina catalyst |
| 03/10/1981 | CA1097313A1 Preparation of novel catalyst support |