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Class Information
Number: 502/110
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Catalyst or precursor therefor > Plural component system comprising a - group i to iv metal hydride or organometallic compound - and b - group iv to viii metal, lanthanide or actinde compound - (i.e., alkali metal, ag, au, cu, alkaline earth metal, be, mg, zn, cd, hg, sc, y, al, ga, in, tl, ti, zn, hf, ge, sn or pb hydride or organometallic compound and ti, zr, hf, ge, sn, pb, v, nb, ta, as, sb, bi, cr, mo, w, po, mn, tc, re, iron group, platinum group, atomic number 57 to 71 inclusive or atomic number 89 or higher compound) > Component a metal is group ia, iia or iiia and component b metal is group ivb to viib or viii (i.e., alkali metal, alkaline earth metal, be, mg, al, ga, in or tl and ti, zr, hf, v, nb, ta, cr, mo, w, mn, tc, re, iron group or platinum group) (e.g., ziegler catalyst, etc.) > Preparing catalyst or precursor > Including plural additions of component a
Description: Process wherein two or more separate additions of a Group Ia to Group IIIa metal hydride or organometallic compound are made at separate times.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8647499 Hydrocracking method using a modified zeolite Feb. 11, 2014
8507403 Process for producing exhaust treatment catalyst powders, and their use Aug. 13, 2013
8361923 Process for producing complex oxide catalyst Jan. 29, 2013
8343888 Washcoating technique for perovskite catalysts Jan. 1, 2013
7985814 Main catalyst component for olefin polymerization, a process for preparing the same and a catalyst comprising the same Jul. 26, 2011
7973113 Transition metal catalyst systems and formation thereof Jul. 5, 2011
7939463 Preparation of iron oxides May. 10, 2011
7935651 Method for preparing a Ziegler-Natta catalyst May. 3, 2011
7811956 Supported olefin polymerization catalyst Oct. 12, 2010
7759271 Activating supports for metallocene catalysis Jul. 20, 2010
7709409 Mixed catalytic composition May. 4, 2010
7696123 Dimerization catalyst systems, their preparation, and use Apr. 13, 2010
7683002 Transition metal catalyst and formation thereof Mar. 23, 2010
7651969 Catalyst system for producing ethylene (co) polymer with improved branch distribution Jan. 26, 2010
7566680 High surface area iron material prepared from a low surface area iron metal precursor Jul. 28, 2009
7538060 Palladium-copper chromite hydrogenation catalysts May. 26, 2009
7518023 Highly active spherical metal support catalysts Apr. 14, 2009
7514387 Reformer and method of making the same Apr. 7, 2009
7498289 Ni catalysts and methods for alkane dehydrogenation Mar. 3, 2009
7384884 Catalyst preparation method Jun. 10, 2008
7271126 Catalyst for the dehydrogenation of ethyl benzene to STYRENE prepared with a high purity iron precursor Sep. 18, 2007
7229945 Process of making mixed metal oxide catalysts for the production of unsaturated aldehydes from olefins Jun. 12, 2007
7220696 Solid titanium catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for olefin polymerization May. 22, 2007
7199077 Fischer-tropsch catalyst prepared with a high purity iron precursor Apr. 3, 2007
7172990 Highly active spherical metal support catalysts Feb. 6, 2007
7169864 Metallocene catalysts, their synthesis and their use for the polymerization of olefins Jan. 30, 2007
7094724 Catalytic solid supported on calcined hydrotalcite for olefinic polymerisation Aug. 22, 2006
7015169 Catalyst systems of the ziegler-natta type and their preparation Mar. 21, 2006
6989347 Catalysts for the oxidation of unsaturated aldehydes to produce carboxylic acids and methods of making the same Jan. 24, 2006
6982236 Process to polymerize olefins Jan. 3, 2006
6964936 Method of making maximally dispersed heterogeneous catalysts Nov. 15, 2005
6949489 Solid supported catalyst usable for the polymerization of conjugated dienes, process for the preparation thereof and a process for the polymerization of conjugated dienes using this catalyst Sep. 27, 2005
6936667 Polymerization catalyst compositions and processes to produce polymers and bimodal polymers Aug. 30, 2005
6924248 Catalyst system for carrying out olefin polymerization comprising a calcined hydro-talcite serving as a supporting material Aug. 2, 2005
6924343 Olefin polymerization catalyst component, its preparation and use Aug. 2, 2005
6921734 Titanocene complexes and its catalyst for preparing syndiotactic polystyrene Jul. 26, 2005
6900152 Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst May. 31, 2005
6864207 Ziegler-Natta catalyst for polyolefins Mar. 8, 2005
6861487 Catalyst precursor for the polymerization of olefins and polymerization process using the same Mar. 1, 2005
6828268 Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst Dec. 7, 2004
6818584 Process for preparing a Ziegler-Natta catalyst Nov. 16, 2004
6803430 Polymerization process for improved reactor performance of metallocenes Oct. 12, 2004
6800580 Method for producing an improved catalyst for homo-and co-polymerization of olefin Oct. 5, 2004
6797839 Multi-metal oxide materials with a two-phase structure Sep. 28, 2004
6794539 Method for producing multiple-phase multi-metal oxide materials Sep. 21, 2004
6777571 Mixed metal oxide catalyst Aug. 17, 2004
6777371 Ni catalysts and methods for alkane dehydrogenation Aug. 17, 2004
6762145 Method of making a catalyst for polymerization and co-polymerization of ethylene Jul. 13, 2004
6750373 One-step production of 1, 3-propanediol from ethylene oxide and syngas with a cobalt-iron catalyst Jun. 15, 2004
6740769 Molybdenum-bismuth-iron-containing metal oxide catalysts for fluidized layer, method for preparation thereof, and use thereof May. 25, 2004

1 2 3 4 5

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