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Class Information
Number: 502/105
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 comminuting (e.g., milling, grinding, etc.)
Description: Process which includes a step of mechanically breaking up a solid ingredient of the catalyst.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8101537 Prepolymerized catalyst for olefin polymerization, method of producing this prepolymerized catalyst and method of producing olefin polymer Jan. 24, 2012
7955529 Synthesis for catalysis of bifunctional perovskite compound Jun. 7, 2011
7939463 Preparation of iron oxides May. 10, 2011
7566680 High surface area iron material prepared from a low surface area iron metal precursor Jul. 28, 2009
7271119 Process for preparing an olefin polymerization catalyst component Sep. 18, 2007
7199077 Fischer-tropsch catalyst prepared with a high purity iron precursor Apr. 3, 2007
7057010 Process for the continuous drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups Jun. 6, 2006
7008898 Method for producing a poly-1-olefin in the presence of a ziegler catalyst Mar. 7, 2006
6887817 Olefin polymerization catalyst and process for preparing polyolefins using said catalyst May. 3, 2005
6755364 Methods and apparatus for mechanical treatment of materials such as catalysts Jun. 29, 2004
6649731 Catalysts for polyester production, process for producing polyester, and polyester Nov. 18, 2003
6639043 Azonaphthalene sulfonates as polymerization catalysts Oct. 28, 2003
6600011 Process for purification and drying of polymer hydrogels Jul. 29, 2003
6468936 Solid MAO/metallocene catalyst complex for propylene polymerization Oct. 22, 2002
6420304 Polymer-supported carbonylation catalyst and its use Jul. 16, 2002
6417320 Catalyst and method for its production and use Jul. 9, 2002
6403519 Process for the preparation of a catalyst for the polymerization of alpha-olefins, catalyst obtained and polymerization process using such a catalyst Jun. 11, 2002
6384159 Production of polyethylene with a titanium amide catalyst May. 7, 2002
6358381 Rhodium electrocatalyst and method of preparation Mar. 19, 2002
6300273 Catalysts for the (co)polymerization of ethylene Oct. 9, 2001
6153553 Process for the polymerization of alpha olefins using a new aluminophosphate support Nov. 28, 2000
6133188 Process for preparing an ethylene polymerization catalyst and ethylene polymerization process Oct. 17, 2000
6114271 Process for the preparation of a polymerization and copolymerization of ethylene to give ultrahigh molecular-weight ethylene polymers Sep. 5, 2000
6100351 Olefin polymerization process and products thereof Aug. 8, 2000
6068828 Zirconia powder, method for producing the same, and zirconia ceramics using the same May. 30, 2000
6043181 Process for the polymerization of alpha olefins using a new aluminophosphate support Mar. 28, 2000
6018006 Process for preparing an ethylene polymerization catalyst and ethylene polymerization process Jan. 25, 2000
5994256 Process for forming a catalyst precursor for copolymerizing ethylene and an alpha-olefin of 3 to 10 carbon atoms Nov. 30, 1999
5948720 Catalyst for the production of flexible polyolefin compositions, methods for making and using same, and products thereof Sep. 7, 1999
5714424 Multi-component polyolefin catalysts Feb. 3, 1998
5648309 Process for the preparation of a poly-1-olefin Jul. 15, 1997
5585447 Catalyst for the (co)polymerization of alpha-olefins, a process for its preparation and (co)polymerization process making use thereof Dec. 17, 1996
5484754 Process for treating a catalytic component, resultant component, and polymerization of ethylene using such component Jan. 16, 1996
5409875 Polymer-supported catalyst for polymerization and copolymerization of olefins Apr. 25, 1995
5135899 Method for the activation of a carrier for a polymerization catalyst, and a catalyst component obtained using the method Aug. 4, 1992
5070056 Alkene polymerization process and catalyst compositions therefor Dec. 3, 1991
5068212 Olefin polymerization catalyst and method for production and use Nov. 26, 1991
4888318 Catalyst composition for polymerizing alpha-olefins Dec. 19, 1989
4847227 Solid catalyst component for olefin polymerization catalysts Jul. 11, 1989
4839321 Solid catalyst component for olefin polymerization catalysts Jun. 13, 1989
4724225 Solid catalyst component for .alpha.-olefin polymerization and process for the producing the same Feb. 9, 1988
4695558 Catalysts for homo- and copolymerization of ethylene and the polymers obtained by use thereof Sep. 22, 1987
4686200 Catalyst for the polymerization of olefins Aug. 11, 1987
4680351 Supported polyolefin catalyst components and methods of making and using same Jul. 14, 1987
4675303 Mixed metal alkyl catalyst for olefin polymerization Jun. 23, 1987
4670525 Catalytic titanium compound, process for the manufacture thereof, and method for the polymerization of alkenes-1 with application of such a titanium component Jun. 2, 1987
4626519 Supported polyolefin catalyst components and methods of making and using same Dec. 2, 1986
4621124 Catalyst system for the polymerization of ethylene Nov. 4, 1986
4617284 Catalyst component for polymerization of olefins and process for production thereof Oct. 14, 1986
4617285 Catalyst components and catalysts for the polymerization of olefins Oct. 14, 1986

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