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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.) > Component B Metal Is Other Than Titanium Or Vanadium Component B Metal Is Other Than Titanium Or VanadiumComponent B Metal Is Other Than Titanium Or Vanadium patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.01/04/07 - 20070004586 - Arylphenoxy catalyst system for producing ethylene homopolymer or copolymers of ethylene and alpha-olefins The present invention relates to an arylphenoxy catalyst system producing an ethylene homopolymer or copolymers of ethylene and α-olefins, and a method of producing an ethylene homopolymer or copolymers of ethylene and α-olefins having a high molecular weight under a high temperature solution polymerization condition using the same. The catalyst ... 09/07/06 - 20060199728 - Enantioselective amination and etherification The present invention is directed to a catalyst composition, comprising: (1) a catalyst precursor having the general structure MSXn wherein M is a transition metal selected from the group consisting of iridium, molybdenum, and tungsten; S is a coordinating ligand; X is a counterion; and n is an integer from ... 08/17/06 - 20060183631 - Supported metallocene catalyst and method of preparing ethylene-based copolymer using the same An ethylene-based copolymer prepared using a supported hybrid metallocene catalyst is provided. The ethylene-based copolymer is prepared using a supported hybrid metallocene catalyst in which two different metallocene catalysts are supported on a support and has a bimodal or multimodal molecular weight distribution. Accordingly, the ethylene-based copolymer has superior processability, ... 07/06/06 - 20060148643 - Polyolefin production wherein Cp1 and Cp2 are each independently a cyclopentadienyl derivative which may be substituted or unsubstituted and are selected from cyclopentadienyl groups, indenyl groups and fluorenyl groups, provided that at least one of the cyclopentadienyl derivatives comprises an N atom or a P atom in it cyclopentadienyl ring; R″ is ... 06/29/06 - 20060142147 - Catalysts compositions for the polymerization and copolymerization of alpha-olefins A catalyst system, a polymerization process using that catalyst system and polymers produced therefrom. The catalytic system results from the combination of bridged indenyl metallocenes of general formula I and an organoaluminium or boron perfluorinated co-catalyst, where M is a transition metal of Group 4 of the Periodic Table of ... 06/22/06 - 20060135353 - Metallocene complexes, their synthesis and use in catalyst systems for olefin polymerization where Cp (each occurrence) is a cyclopentadienyl group; each of the five R substituents on the or each cyclopentadienyl group is independently selected from hydrogen, C1 to C30 substituted or unsubstituted hydrocarbyl, halohydrocarbyl, silylhydrocarbyl or silylhalohydrocarbyl, wherein two adjacent R substituents may be joined to form part of a saturated, ... 05/11/06 - 20060100092 - Polymerization catalysts, organic transition metal compounds, process for preparing polyolefins and polyolefins The present invention relates to catalyst systems for preparing isotactic polyolefins obtainable by reacting at least one chiral transition metal compound and at least one cocatalyst which is able to convert the chiral transition metal compound into a cation, where the chiral transition metal compound contains two bidentate chelating ligands ... 05/11/06 - 20060100091 - Supported olefin polymerization catalyst Supported catalyst systems are provided comprising (a) a transition metal compound, (b) a non aluminoxane activator comprising, and (c) a support material comprising an inorganic metal oxide, inorganic metal halide or polymeric material or mixtures thereof characterised in that the support material has been pretreated with an SO4 contianing compound. ... 05/04/06 - 20060094590 - Organochromium/metallocene combination catalysts for producing bimodal resins This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a supported catalyst composition. In one aspect, the present invention encompasses a catalyst composition comprising the contact product of at least one metallocene compound, at least ... 03/09/06 - 20060052238 - Supported metallocene catalyst, method of preparing the catalyst and method of preparing polyolefin using the catalyst Provided are a supported metallocene catalyst which has excellent supporting efficiency due to an interaction between a cocatalyst supported on a carrier and a metallocene compound substituted with a functional group that can function as a Lewis base, and a method of polymerizing an olefin using the supported metallocene catalyst. ... 01/19/06 - 20060014632 - Catalyst compounds, catalyst systems thereof and their use in a polymerization process The present invention relates to a cyclic germanium bridged bulky ligand metallocene-type catalyst compound, a catalyst system thereof, and to its use in a process for polymerizing olefin(s) to produce enhanced processability polymers. ... 01/12/06 - 20060009350 - Cyclometallated catalysts (wherein R1-R11, M, E, T, X, Y, m and n are defined herein). The compound, when combined with a suitable activator, is active for the polymerization of olefins. In an embodiment of combinations of the R1-R7 and T groups, these catalysts can engage in weak attractive non-covalent interactions with the ... 12/29/05 - 20050288178 - Acidic activator-supports and catalysts for olefin polymerization This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst composition. In one aspect, this invention encompasses precontacting a metallocene with an olefin or alkyne monomer and an organoaluminum compound, prior to contacting this mixture ... 11/17/05 - 20050255989 - Process for producing integrated reactive porous carrier It is provided a monolithic reactive porous support with efficiency and performance better than a particulate support used in a batch method requiring a liquid-solid separation process or a filling column method requiring a high pressure for liquid supply. In a solution containing a starting material having a reactive site, ... 11/17/05 - 20050255988 - Supported polymerisation catalysts An improved method for the preparation of a supported polymerisation catalyst system comprises the combination of (i) a porous support (ii) a polymerisable monomer, (iii) a polymerisation catalyst, and (iv) a cocatalyst, characterised in that the polymerisable monomer is added to the porous support before addition of one or both ... 10/27/05 - 20050239639 - Ethylene/butadiene copolymers, catalytic system and process for the synthesis thereof where Ln represents a lanthanide and X a halogen, where, in the formula A, two ligand molecules Cp1 and Cp2 each consisting of a fluorenyl group, are attached to Ln, where, in the formula B, a ligand molecule consisting of two fluorenyl groups Cp1 and Cp2, joined together by a ... 10/27/05 - 20050239638 - Catalyst systems comprising a chromium catalyst and a non-transition metal cyclopentadienyl cocatalyst According to an embodiment, catalyst systems for polymerizing olefins include a catalyst comprising chromium and a cocatalyst comprising a substituted or unsubstituted non-transition metal cyclopentadienyl compound (Cp). The catalyst also comprises an inorganic oxide support. In an embodiment, methods of preparing a catalyst comprise contacting a support with chromium and ... 10/27/05 - 20050239637 - Process to prepare a paticulated metallocene catalyste with a modified aluminoxane and use in polymerization of olefins A process for the preparation of an olefin polymerisation catalyst comprising: a) reacting an aluminoxane and a Lewis base in an optionally halogenated hydrocarbon solvent to form a particulate suspension; b) reacting said suspension with a metallocene complex in an optionally halogenated hydrocarbon solvent; and optionally c) isolating the olefin ... 10/20/05 - 20050233892 - Polyolefin production with a high performance support for a metallocene catalyst system The invention is directed to a metallocene catalyst system and a process for preparing the system. The metallocene catalyst system comprises a support and metallocene bound substantially throughout the support. The selection of certain supports facilitates the production of metallocene catalyst systems having increased catalytic activity than previously recognized. ... 10/06/05 - 20050221975 - Catalyst and method for its manufacture A catalyst is synthesized by a method in which a catalytic metal such as platinum or another noble metal is dispersed onto a support member. A transition metal macrocycle is also adsorbed onto the support, and the support is heat treated so as to at least partially pyrolyze the macrocycle ... 07/21/05 - 20050159302 - Catalyst support method and polymerization with supported catalysts This invention relates to a method to support one or more catalyst compounds comprising contacting the catalyst compounds with a pretreatment agent comprising an aluminum alkyl and or an alumoxane in solution and thereafter contacting the combination with a supported activator. ... 07/14/05 - 20050153830 - Catalyst compositions and polyolefins for extrusion coating applications This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, including polymerization methods using a supported catalyst composition. In one aspect, the present invention encompasses a catalyst composition comprising the contact product of a first metallocene compound, a second metallocene ... 06/16/05 - 20050130835 - Catalytic system for the preparation of polybutadienes and preparation process an alkylating agent consisting of an alkylaluminium of formula AlR3 or HAlR2, the “alkylating agent:rare earth salt” molar ratio being greater than 5, and a halogen donor which belongs to the family of alkylaluminium halides with the exception of alkylaluminium sesquihalides, and, according to the invention, said catalytic system comprises ... 06/02/05 - 20050119113 - Production of supported olefin polymerization catalysts The invention provides a process for producing an olefin polymerisation catalyst, comprising suspending a porous particulate support material in a liquid/liquid two phase system which comprises a solution of one or more catalyst components and an inert solvent immiscible therewith, to impregnate said solution into the pores of said support ... ### FreshPatents.com Support |