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Class Information
Number: 502/127
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.) > And a third component c (i.e., an additive other than a saturated hydrocarbon or an aromatic hydrocarbon free of aliphatic or cycloaliphatic unsaturation) > Nonmetallic organic oxygen containing > Ester
Description: Composition in which the oxygen is bonded to two carbon atoms, one of which is carbonylic.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
5229342 Olefin polymerization catalyst Jul. 20, 1993
5227355 Stereospecific catalyst system intended for the polymerization of olefins Jul. 13, 1993
5225385 Solid alkene polymerization catalyst components and process for their preparation Jul. 6, 1993
5221651 Component and catalysts for the polymerization of olefins Jun. 22, 1993
5215951 Process for producing .alpha.-olefin polymer Jun. 1, 1993
5212266 Propylene polymerization method May. 18, 1993
5212133 Magnesium chloride particles with a truncated structure, catalytic component supported on these particles, polyolefins obtained by employing this catalytic component, procedures for manufactur May. 18, 1993
5206198 Catalytic solid usable for the stereospecific polymerization of alpha-olefins, process for preparing it and process for polymerizing alpha-olefins in its presence Apr. 27, 1993
5206314 Polyolefin polymerization process, process of producing catalyst, and catalyst Apr. 27, 1993
5204303 Preparation and use of a new ziegler-natta catayst component Apr. 20, 1993
5204305 Cocatalytic composition which is usable for the polymerization of alpha-olefins Apr. 20, 1993
5192729 Highly active ziegler-natta catalyst for polymerizing HDPE and LLDPE and method for preparation thereof Mar. 9, 1993
5192732 Propylene polymerization cocatalyst containing silane and resultant catalysts Mar. 9, 1993
5188998 Transition-metal catalyst component for a Ziegler catalyst system, and the use of said system Feb. 23, 1993
5182245 Olefin polymerization and copolymerization catalyst Jan. 26, 1993
5180702 Metal halide catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process Jan. 19, 1993
5177043 .alpha.-olefin polymerization catalyst component Jan. 5, 1993
5177042 High activity vanadium-based catalyst Jan. 5, 1993
5166113 Zieger-natta-type catalyst systems Nov. 24, 1992
5162277 Olefin polymerization catalyst Nov. 10, 1992
5151399 Olefin polymerization catalyst Sep. 29, 1992
5147839 Production of .alpha.-olefin polymers Sep. 15, 1992
5143882 Transition-metal catalyst component for a Ziegler catalyst system, and the use of said system Sep. 1, 1992
5143881 Transition-metal catalyst component for a Ziegler catalyst system, and the use of said system Sep. 1, 1992
5141910 Olefin polymerization catalyst Aug. 25, 1992
5139986 Catalyst composition for production of linear low-density ethylene-hexene copolymers and films thereof Aug. 18, 1992
5139985 Components and catalyst for the polymerization olefins Aug. 18, 1992
5137996 Ziegler-natta catalyst Aug. 11, 1992
5135899 Method for the activation of a carrier for a polymerization catalyst, and a catalyst component obtained using the method Aug. 4, 1992
5132379 Solid alpha-olefin polymerization catalyst compounds Jul. 21, 1992
5132263 Olefin polymerization catalyst Jul. 21, 1992
5132261 Olefin polymerization catalyst component Jul. 21, 1992
5128294 Propylene polymerization catalyst and method Jul. 7, 1992
5126301 Solid catalyst for polymerizing an olefin Jun. 30, 1992
5124297 Olefin polymerization and copolymerization catalyst Jun. 23, 1992
5124298 Olefin polymerization catalyst Jun. 23, 1992
5118648 Particulate polymer-supported olefin polymerization catalyst Jun. 2, 1992
5112927 Method for producing a stereoregular polyolefin May. 12, 1992
5106807 Components and catalysts for the polymerization of olefins Apr. 21, 1992
5106806 Olefin polymerization catalyst Apr. 21, 1992
5104838 Production of .alpha.-olefin polymers Apr. 14, 1992
5104837 Catalyst and polymerization of olefins Apr. 14, 1992
5102842 Catalyst for the polymerization of alpha-olefins containing trifluoropropyl substituted silane compounds Apr. 7, 1992
5100849 Process for producing a catalyst for olefin polymerization Mar. 31, 1992
5098875 Process for preparing a Ziegler-Natta type catalyst Mar. 24, 1992
5089460 Vanadium catalyst systems for olefin polymerization Feb. 18, 1992
5082907 Olefin polymerization catalyst Jan. 21, 1992
5081087 Olefin polymerization catalysts Jan. 14, 1992
5081088 Ziegler-Natta-type catalyst systems Jan. 14, 1992
5081090 Dry olefin polymerization catalyst Jan. 14, 1992

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