| 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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| 08/24/1993 | US5238656 Reactor packed with acidic decomposition catalyst and connected to wash tower to remove hydrogen halide gases formed by dehalogenation |
| 08/24/1993 | CA1321470C Ceramic material permitting the passage of fluids and based on silicon powder reaction-bonded in the presence of carbon |
| 08/19/1993 | WO1993015831A1 Sorbent for immobilization of toxic and contaminating substances |
| 08/18/1993 | EP0555592A1 Catalytic decomposition of impurities in methyl tertiary butyl ether |
| 08/18/1993 | CN1075271A A coating dispersion for exhaust gas catalysts |
| 08/18/1993 | CN1021816C Prepn. of anilines |
| 08/17/1993 | US5237107 Magnesium, aluminium complex compounds, process for preparing the same and process of aldol condensation dehydration products using the same |
| 08/17/1993 | US5236882 Demetallizing petroleum feedstocks |
| 08/11/1993 | EP0554942A1 Process for the preparation of linear alkylbenzenes |
| 08/11/1993 | CA2079932A1 Catalytic decomposition of peroxide impurities in a methyl tertiary butyl ether recycle stream |
| 08/10/1993 | US5235071 Catalyst for producing phthalic anhydride and process by using the same |
| 08/10/1993 | US5234883 Impregnation of titanium oxide body with palladium salt; adjustment ph; vacuum drying |
| 08/10/1993 | CA1321215C Silica-alumina extrudates |
| 08/10/1993 | CA1321053C Process for the production of hydrated aluminae and process for the treatment of acid wastes |
| 08/05/1993 | WO1993014866A1 A hydrogenation catalyst, and a method for its preparation and use, in particular for hydrogenation and/or hydrogenolysis of carbohydrates and polyhydric alcohols |
| 08/04/1993 | EP0553815A1 A method for producing lower polyhydric alcohols and a new ruthenium-based catalyst used in this method |
| 08/04/1993 | EP0553314A1 Process for the manufacture of spiroketals |
| 08/04/1993 | EP0553139A1 Synthetic clays |
| 08/04/1993 | EP0473680B1 Process for the purification of contaminated water by activated ozone |
| 08/04/1993 | EP0448584B1 Process and catalyst for dehydration or dehydrocyclization of hydrocarbons |
| 08/03/1993 | US5233116 Process for preparing oligomers having low unsaturation |
| 08/03/1993 | US5233106 Catalytic reaction of chloromethanes with hydrogen using copper, rhodium or palladium in elemental or compound form on activated charcoal support |
| 08/03/1993 | US5233077 Carbon catlyzed decomposition of dimethyl ethylidene dicarbamate |
| 08/03/1993 | US5232952 Finely dispersed metal-carrying compounds and method for preparing the same |
| 08/03/1993 | US5232888 Heating hydroxy carboxylic acid with group 6 and 8 metals on catalysts carrier |
| 08/03/1993 | US5232883 Spraying an electrostatical charged liquid through an aperture to produce macrodrops, then break down into microdrops to gelation |
| 07/28/1993 | EP0553009A1 Paraffins alkylation catalyst |
| 07/28/1993 | EP0552715A1 A nox removal catalyst containing an inorganic fiber |
| 07/28/1993 | EP0552172A1 Supported platinum group metal catalysts. |
| 07/28/1993 | EP0542871A4 Process for improving the physical and catalytic properties of fluid cracking catalysts |
| 07/27/1993 | US5231067 Shaped articles based on pyrogenically produced titanium dioxide, method of their production and their use |
| 07/27/1993 | US5231066 Bimodal silica gel, its preparation and use as a catalyst support |
| 07/24/1993 | CA2087920A1 Paraffin alkylation catalyst |
| 07/22/1993 | WO1993014025A1 Production of hydrogen peroxide |
| 07/21/1993 | CN1021638C Fluidized catalyst for acrylonitrile |
| 07/20/1993 | US5229527 Catalysis with vanadium and titanium oxides |
| 07/20/1993 | US5229347 Catalyst for mild hydrocracking of cracked feedstocks and method for its preparation |
| 07/20/1993 | US5229346 Coating the outer surface a titanium oxide and a titanium hydroxide formed by hydrolyzing at least one of titanium alkoxide and a titanium alkoxo acid, mixing with other metal compound, combustion |
| 07/20/1993 | US5229345 Oxidation catalysts of metal oxides and electroconductive metals |
| 07/14/1993 | EP0550922A1 Extruded catalyst based on silica/alumina gel, and process for preparing it |
| 07/14/1993 | EP0550871A2 Process for the preparation of cycloalcanols |
| 07/14/1993 | EP0550640A1 Lewis acid promoted transition alumina catalysts and isoparaffin alkylation processes using those catalysts. |
| 07/14/1993 | EP0550603A1 High catalyst process for glucamide detergents. |
| 07/13/1993 | US5227563 Preparation of propylene by dehydration of isopropanol in the presence of a pseudo-boehmite derived gamma alumina catalyst |
| 07/13/1993 | US5227552 Process for hydrogenating alkenes in the presence of alkanes and a heterogeneous catalyst |
| 07/13/1993 | US5227549 Synthesis of 1,2-dichloroethane by ccl4 oxychlorination of ethylene |
| 07/13/1993 | US5227525 Multistep process for the liquid phase ammoximation of carbonyl compounds |
| 07/08/1993 | WO1993012879A1 Dehydrogenation catalysts and process for using same |
| 07/07/1993 | EP0549885A1 Plasticizable admixtures and improved cordierite substrates made therefrom |
| 07/07/1993 | EP0549698A1 Catalytic production of lactide directly from lactic acid. |
| 07/07/1993 | EP0536205A4 Hydroconversion catalyst |
| 07/06/1993 | US5225390 Active oxide mixture of titanium, molybdenum and vanadium as reducing catalysts |
| 07/06/1993 | CA1319900C Treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component |
| 06/30/1993 | EP0549156A1 Process for oligomerizing olefins using titanium salts or zirconium salts deposited on silicon dioxide |
| 06/30/1993 | EP0548104A1 Method of preparing oligoglycerine mixtures with a high diglycerine content |
| 06/30/1993 | CN1021411C Process for preparation of catalysts |
| 06/29/1993 | US5223472 Demetallation catalyst |
| 06/29/1993 | US5223469 Fluidized-bed catalyst for preparing acrylonitrile |
| 06/29/1993 | US5223464 Washing with ethers, alcohols, or mixtures thereof |
| 06/24/1993 | DE4242828A1 Porous clay inclusion cpd. - comprises layers of laminar clay, inorganic supports and hydrogen ions in the pores formed by the supports, used as acid catalyst for cracking hydrocarbon(s) |
| 06/24/1993 | DE4142902A1 Producing mouldings for catalytic use from pyrogenic silicic acid - by hydrothermally treating initially moulded body with ammonia contg. solution |
| 06/24/1993 | DE4142898A1 Pyrogenic silica moulding used as catalyst support or catalyst - prepd. from paste in aq. alcoholic ammonia by moulding, drying and calcining |
| 06/23/1993 | EP0548033A1 Process of preparing metal supported catalyst having high surface area |
| 06/23/1993 | EP0547756A1 Thin shell catalyst |
| 06/23/1993 | EP0547663A1 Process for production of TiO2-containing pellets and the use of them |
| 06/22/1993 | US5221773 Solvent extraction with a polar solvent to remova organic impurities from aqueous boric acid solution and regenerating boric acid oxidation catlayst by removing free water and dehydration |
| 06/22/1993 | US5221697 Storage stability; mixing 1,1-dichloro-1-fluoroethane stabilized by alumina with polyol and polyisocyanate to form a foam |
| 06/22/1993 | CA1319462C Finely dispersed metal-carrying compounds and method for preparing the same |
| 06/22/1993 | CA1319369C Process for producing mono-ortho-tert-butyl-aniline using silica-alumina catalysts |
| 06/22/1993 | CA1319359C Hydrogenation catalyst |
| 06/16/1993 | EP0546499A1 A process for producing a chromium pillared ribbon-like clays catalyst and its use for the polymerisation of alpha-olefins |
| 06/16/1993 | EP0546395A1 Method for the preparation of carboxylic esters |
| 06/16/1993 | CN1073182A Process for preparing a pillared chain silicate clay |
| 06/16/1993 | CN1073125A Alkanizing catalyst for paraffin |
| 06/16/1993 | CN1073124A Propene oligomer catalyst and its preparation method |
| 06/15/1993 | US5220095 Alkylation process |
| 06/15/1993 | US5219816 Dehydrogenation catalysts and process for preparing the catalysts |
| 06/15/1993 | US5219536 Heating dried mixture of basic sodium or calcium compound and smectite clay in presence of flue gas |
| 06/10/1993 | CA2082457A1 Process for oligomerizing olefins using sulfate-activated molecular sieves |
| 06/09/1993 | EP0545774A1 Silica supports modified by grafting polyalkylguanidinium groups, process for their preparation and their use as catalysts |
| 06/09/1993 | EP0545150A1 Process for the preparation of N-substituted lactams by reductive amination of dicarboxylic acid derivatives with mixtures of primary, secondary and tertiary amines |
| 06/08/1993 | US5217940 Adding sulfonated amino resin |
| 06/08/1993 | US5217938 Mixing zirconia source and solvent, extrusion, roasting |
| 06/08/1993 | US5217935 Processes for regenerating catalysts contaminated with carbonaceous materials |
| 06/08/1993 | CA1318907C Alkaline earth metal spinel/kaolin clays and processes for making and using same |
| 06/02/1993 | EP0544120A1 Process for the preparation of 3-hydroxyalkanals |
| 06/01/1993 | US5215955 Free of macropores; alumina support with a group VIB and a group VIII component selected from metals, oxides and sulfides |
| 05/27/1993 | WO1993010065A1 Method for regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction |
| 05/27/1993 | WO1993010063A1 Bf3-tertiary etherate complexes for isobutylene polymerization |
| 05/27/1993 | CA2119144A1 Method of regenerating certain acidic hydrocarbon conversion catalysts by solvent extraction |
| 05/26/1993 | EP0543157A1 Catalyst composition, method of preparing same and process for hydrodesulfurizing sulfur-containing hydrocarbons by using the catalyst composition |
| 05/26/1993 | EP0542871A1 Process for improving the physical and catalytic properties of fluid cracking catalysts |
| 05/26/1993 | EP0491931A4 Composite clay materials for removal of so x? from gas streams |
| 05/25/1993 | US5214218 Montmorillonite clays |
| 05/25/1993 | US5214210 Catalyst and process for making aniline from phenol |
| 05/25/1993 | US5214162 Process for manufacturing 5-cyano-4-lower alkyloxazoles |
| 05/25/1993 | US5214142 Processes for the preparation of aminoethers |
| 05/25/1993 | US5214018 Isobutene from methy tert-butyl ether, purified silica-alumina catalyst |
| 05/25/1993 | US5214012 Method for production of silicate interlayer cross-linked smectite |
| 05/19/1993 | EP0542527A1 Titania supported cobalt catalyst |