FREE patent keyword monitoring and additional FREE benefits. /images/triangleright (1K) REGISTER now for FREE triangleleft (1K)
Fresh Patents
Monitor Patents Patent Organizer How to File a Provisional Patent Browse Inventors Browse Industry Browse Agents Browse Locations
     new ** File a Provisional Patent ** 


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 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 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.) 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.

02/08/07 - 20070032376 - Self-extiguishing catalyst compostion with monocarboxylic acid ester internal donor and propylene polymerization process
A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more monoesters of aromatic carboxylic acid internal electron donors; one or more aluminum containing cocatalysts; and a mixture of two or more different selectivity control ...

02/08/07 - 20070032375 - Self limiting catalyst composition with dicarboxylic acid ester internal donor and propylene polymerization process
A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; and a mixture of two or more different selectivity control ...

01/25/07 - 20070021295 - Process for the preparation of a catalyst component and components therefrom obtained
A process for preparing a catalyst component, comprising a Mg compound a Ti compound and an electron donor compound (ED) selected from alcohol, glycols, esters, ketones, amines, amides, nitrites, alkoxysilanes and aliphatic ethers as essential compounds, comprising two or more steps of reaction involving the use of at least one ...

11/09/06 - 20060252636 - Silica supported ziegler-natta catalysts useful for preparing polyolefins
wherein M is a group 4, 5, or 6 transition metal; R is an alkyl or aryl moiety; R1 is a alkyl or aryl moiety having from 1 to 10 carbons, and p and q are 0 or an integer such that p+q equals the highest formal oxidation state of ...

11/02/06 - 20060247123 - Method for making partially dried readily dispersible olefin polymerization procatalyst
A method of making a hydrocarbon oil dispersion of a solid procatalyst for use in a Ziegler-Natta olefin polymerization catalyst composition, said method comprising: preparing and recovering a procatalyst composition in the form of a solid mass containing residual liquid rinse diluant, partially drying the solid procatalyst composition to provide ...

10/19/06 - 20060234857 - Catalysts for olefin polymerization
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 catalyst composition. One aspect of this invention is the formation and use of a catalyst composition comprising a transition metal compound and an activator for ...

10/19/06 - 20060234856 - Catalysts for olefin polymerization
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 catalyst composition. One aspect of this invention is the formation and use of a catalyst composition comprising a transition metal compound and an activator for ...

10/12/06 - 20060229195 - Transition metal complexes and polymerization catalysts
wherein M represents an element of Group 6 of Periodic Table of Elements, A and A′ are the same or different, and represent a substituted or unsubstituted C1-10 alkylene group or the like, Y represents a substituted or unsubstituted C1-10 alkyl group, or the like, X1 and X2 are the ...

10/05/06 - 20060223695 - Supported polymerisation catalysts
A supported polymerization catalyst system is prepared by a method comprising the following steps: (i) addition of a cocatalyst to a porous support, (ii) mixing a polymerisation catalyst with a polymerisable monomer, and (iii) contacting together the components resulting from steps (i) and (ii). The porous support is preferably silica ...

09/07/06 - 20060199727 - Supported olefin polymerization catalysts
Certain Group 8-10 transition metal complexes of bidentate ligands can be supported on hydroxyl containing supports which have been treated with certain organometallic compounds. These olefin polymerization catalyst precursors can be activated for olefin polymerization by contacting them with specific types of compounds to form olefin polymerization catalysts. Olefins which ...

09/07/06 - 20060199726 - Olefin polymerization catalyst on plasma-contacted support
A method for preparing an olefin polymerization catalyst is disclosed. An inorganic oxide is contacted with plasma and a transition metal compound is supported on the contacted inorganic oxide. The method is fast, convenient, and avoids many of the problems associated with known methods of supporting catalysts. ...

08/17/06 - 20060183630 - Production of broad molecular weight polyethylene
Broad molecular weight polyethylene and polyethylene having a bimodal molecular weight profile can be produced with chromium oxide based catalyst systems employing alkyl silanols. The systems may also contain various organoaluminum compounds. Catalyst activity and molecular weight of the resulting polyethylene may also be tuned using the present invention. ...

08/03/06 - 20060172883 - De-foaming spray dried catalyst slurries
A method for preparing a spray dried catalyst and a low viscosity, low foam spray dried catalyst system for olefin polymerization are provided. In one aspect, the method includes preparing a catalyst system including one or more components selected from metallocenes, non-metallocenes, and activators, adding mineral oil to the catalyst ...

07/27/06 - 20060166815 - Monocyclopentadienyl complexes
Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, 5-membered heteroaromatic ring system bound via a specific bridge, a catalyst system comprising at least one of the mono-cyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a ...

07/27/06 - 20060166814 - Process for preparing an olefin polymerisation catalyst component with improved high temperature activity
The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form having an improved high temperature activity and the use thereof in a process for polymerising olefins. ...

07/27/06 - 20060166813 - Preparation of supported catalyst systems
The present invention relates to a process for preparing a catalyst solid for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) at least one organometallic compound, C) at least one organic compound having at least one functional group containing active hydrogen, D) ...

07/27/06 - 20060166812 - Solid catalyst component for polymerization and copolymerization of ethylene, and, process for obtaining the same
The present invention relates to process for obtaining a solid catalyst component for ethylene polymerization and copolymerization, wherein a carrier of particulate silica (65 to 85% by weight) is impregnated with a catalytically active portion (15 to 35% by weight) including titanium, magnesium, chlorine, alkoxy groups and at least one ...

07/13/06 - 20060154806 - Composite carrier of catalysts for propylene polymerization, a catalyst component and a catalyst comprising the same
The present invention is to provide a composite carrier, which is spheric particles obtainable by contacting magnesium halide with one or more electron donor compounds to form a solution, then mixing the solution with silica material having an average particle size of less than 10 microns to form a mixture, ...

07/13/06 - 20060154805 - Method for the preparation of olefin polymerization catalyst support and an olefin polymerization catalyst
The invention is directed to a process for producing a particulate support for an olefin polymerisation catalyst wherein a solution of a magnesium compound is contacted with a solution of an element of Group (13 or 14) of the Periodic Table (IUPAC) to obtain a solid reaction product. In the ...

07/13/06 - 20060154804 - Preparation of dialkyl-ansa-metallocenes
- ...

06/29/06 - 20060142146 - Catalyst for olefin polymerization and use of the same
R1-R12 and A are as defined in the description. ...

06/29/06 - 20060142145 - Process for homo-or copolymerization of conjugated olefines
Metal complexes, catalyst compositions containing the metal complexes, and processes for making the metal complexes and the catalyst compositions are described for the manufacture of polymers from ethylenically unsaturated addition polymerizable monomers. The metal complexes have chemical structures corresponding to one of the following formulae: (Ia) (Ib) (VII) wherein MI. ...

06/22/06 - 20060135352 - Process for polymerizing olefins with non-metallocene catalysts
Nonmetallocenes, process for preparing them and their use for the polymerization of olefins. The present invention describes a novel group of specific transition metal compounds, referred to as nornmetallocene compounds, and catalyst systems prepared therefrom. These catalyst systems which have become obtainable for the first time are suitable for the ...

06/22/06 - 20060135351 - Supported metallocene catalyst and olefin polymerization using the same
The present invention relates to a metallocene compound having a functional group that facilitates the preparation of the supported metallocene catalyst for olefin polymerization and the olefin polymerization process using the same. The metallocene compounds in this invention are strongly supported on the inorganic support due to the strong chemical ...

06/22/06 - 20060135350 - Diketonate complex-derived catalysts useful for preparing polyolefins
wherein M is a Group IIA metal; O is oxygen; n=1 or 2; R1, R2, R3, and R4 are the same or different; and are a hydrogen or a substituted or unsubstituted alkyl or aryl moiety having from about 1 to about 20 carbons atoms. ...

06/15/06 - 20060128558 - Carbene donor-modified ziegler-natta catalysts
A modified Ziegler-Natta catalyst system comprising a titanium or vanadium compound, a magnesium compound, a carbene donor, and an aluminum compound is disclosed. The invention includes a process which comprises polymerizing an alpha-olefin in the presence of the carbene-modified Ziegler-Natta catalyst system. The carbene donor may be used as either ...

06/08/06 - 20060122054 - Dual catalyst on a single support
Bimodal polyolefins having a reverse or partial reversed comonomer incorporation may be prepared in the presence of a dual catalyst on the same support wherein each catalyst has a different response to temperature, ethylene partial pressures, partial pressure of non-polymerizable hydrocarbons present in the reaction mixture and hydrogen partial pressure. ...

06/01/06 - 20060116281 - Catalysts and methods for catalytic oxidation
Catalytic systems and methods for oxidizing materials in the presence of metal catalysts (preferably manganese-containing catalysts) complexed with selected macropolycyclic rigid ligands, preferably cross-bridged macropolycyclic ligands. Included are using these metal catalysts in such processes as: synthetic organic oxidation reactions such as oxidation of organic functional groups, hydrocarbons, and heteroatoms, ...

06/01/06 - 20060116280 - Catalysts for polymerizing olefins and process for producing olefin polymer
wherein R1 represents a linear or branched alkyl group having 1 or more carbon atoms; and R2 and R3 independently represent a linear or branched C1-20 alkyl group. ...

06/01/06 - 20060116279 - Composite particles and method for production thereof and use thereof
A composite particle comprised of a larger particle and, supported thereon, smaller particles wherein the smaller particles are photocatalyst-containing fine particles with an average particle diameter of 0.005-0.5 μm as calculated from a BET specific surface area, and the larger particle has an average particle diameter of 2-200 μm as ...

06/01/06 - 20060116278 - Group iii bridged metallocene based on cyclopentadienyl-fluorenyl ligands
The present invention discloses a metallocene catalyst component of formula (Flu-R″-Cp)M(η3-C3R′5)(ether)n (I) wherein Cp is a cyclopentadienyl, substituted or unsubstituted, Flu is a fluorenyl, substituted or unsubstitutted, R″ is a structural bridge between Cp and Flu imparting stereorigidity to the component, M is a metal Group III of the Periodic ...

05/18/06 - 20060105905 - Preparation of catalyst compositions having improved activity
The present invention relates to a process for preparing a catalyst composition for olefin polymerization, which comprises preparing a catalyst solid in a first step by bringing A) at least one support, B) at least one organic compound having at least one functional group containing active hydrogen, C) at least ...

05/04/06 - 20060094588 - Polymerisation and oligomerisation catalysts
A polymerisation catalyst comprising (1) a transition metal compound of Formula A, and optionally (2) an activating quantity of a Lewis acid activator, Formula (A), wherein Z is a five-membered heterocyclic group containing at least one carbon atom, at least one nitrogen atom and at least one other hetero atom ...

04/13/06 - 20060079394 - Trialkylaluminum treated supports
This invention relates to a process to prepare a trialkylaluminum treated support comprising: 1) combining a support with first trialkylaluminum compound(s), where the alkyl groups have at least 2 carbon atoms; then 2) calcining the combination of the support and the trialkylaluminum compound(s); then 3) combining the calcined support with ...

03/16/06 - 20060058177 - Initiator composition and method for anionic polymerisation
The invention relates to an initiator composition for anionic polymerization, comprising at least one alkali metal hydride selected from LiH, NaH, and KH, and at least one organylaluminum compound, and to a process for the anionic polymerization of styrene monomers or of diene monomers using the initiator composition. ...

03/02/06 - 20060046928 - Ziegler-natta catalyst and method for making and using same
A method for making magnesium-halide supports of a specified particle shape, average diameter and particle diameter distribution comprises providing a non-aqueous solution of a magnesium-halide containing silica particles dispersed therein, and crystallizing the magnesium-halide about the silica particles to provide the magnesium-halide support, wherein the magnesium-halide support has an approximately ...

03/02/06 - 20060046927 - Method of making a ziegler-natta catalyst
A method for making a Ziegler-Natta catalyst support includes the steps of contacting a fumed silica with a surface modifying agent such as a compound having the formula RMgX MgR′R″ wherein R, R′ and R″ are each individually a moiety selected from an alkyl group, cycloalkyl, aryl or alkaryl group, ...

02/23/06 - 20060040822 - Catalyst compositions, processes, and products utilizing pillared clays
The present invention provides new catalyst compositions, methods of preparing a catalyst composition, and methods for polymerizing ethylene and other olefins. In one aspect, a catalyst composition comprising an ion-exchangable support such as a pillared clay; a transition metal compound in which the metal has a dn electron configuration, wherein ...

02/02/06 - 20060025299 - Novel catalyst system for high activity and stereoselectivity in the homopolymerization and copolymerization of olefins
The present invention is directed to a novel composition, and to a method of making the composition, the composition being useful in catalyst systems for the homopolymerization and/or copolymerization of olefins, wherein such catalyst systems display a higher level of activity and stereoselectivity than previously reported. The present invention is ...

01/26/06 - 20060019821 - Highly active alpha-olefin polymerization catalyst
A highly active alpha-olefin polymerization catalyst component is disclosed. In the presence of a co-catalyst, the catalyst component is useful for the production of LLDPE resins. The catalyst component is produced by a method whereby organic silicon compounds are reacted with a transition metal complex and active transition metal species ...

01/19/06 - 20060014631 - Supported catalyst containing active titanium in the homo, co-, and ter-polymerization of olefin-unsaturated compounds
The present invention relates to a supported catalyst containing titanium, its preparation and it use in the homo-, co-, and ter-polymerization of olefin-unsaturated compounds. The present invention also relates to a catalytic system comprising a supported catalyst based on titanium and a co-catalyst selected from organo-derivatives of aluminum. More, specifically, ...

01/05/06 - 20060003888 - Spheric catalyst component for olefin polymerization and catalyst comprising the same
The present invention provides a spheric catalyst component as well as a catalyst for olefin polymerization. The spheric catalyst component comprises at least one titanium compound and optionally at least one electron donor compound supported on an active magnesium halide spheric carrier, wherein the active magnesium halide spheric carrier is ...

10/27/05 - 20050239636 - Solid catalyst component for polymerization of olefins, catalyst comprising the same and use thereof
The present invention provides a solid catalyst component for the polymerization of olefins, comprising magnesium, titanium, a halogen and an electron donor, wherein said electron donor comprises at least one selected from the group consisting of polyol ester compounds of the formula (I): R1CO—O—CR3R4-A-CR5R6—O—CO—R2 (I) wherein, R1 and R2 groups, ...

10/13/05 - 20050227858 - Catalyst component for ethylene polymerization, the preparation thereof and catalyst comprising the same
The present invention provides a catalyst component for ethylene polymerization, a process for preparing the same, a catalyst comprising the same, and a process for polymerizing ethylene using the catalyst. The catalyst component comprises a reaction product, supported on an inorganic oxide support, of a magnesium complex, a titanium compound, ...

09/29/05 - 20050215422 - Method for preparation of a solid titanium catalyst for olefin polymerization
The present invention relates to a method for preparing a solid titanium catalyst for olefin polymerization. The method for preparing a solid titanium catalyst for olefin polymerization according to the present invention comprises: preparing a magnesium compound solution by dissolving magnesium halide compound in a solvent mixture of cyclic ether ...

09/22/05 - 20050209094 - Ziegler-natta catalyst for polyolefins
A Ziegler-Natta type catalyst component can be produced by a process comprising contacting a magnesium dialkoxide compound with a halogenating agent to form a reaction product A, and contacting reaction product A with a first, second and third halogenating/titanating agents. Catalyst components, catalysts, catalyst systems, polyolefin, products made therewith, and ...

09/01/05 - 20050192178 - Modified particle, catalyst component for addition polymerization, catalyst for addition polymerization and process for producing addition polymer
A modified particle obtained by a process containing contacting a Bi compound, a compound having an electron-withdrawing group and an active hydrogen and particle; and a catalyst component for addition polymerization containing the modified particle; a catalyst for addition polymerization prepared by a process containing contacting the modified particle (A) ...

08/25/05 - 20050187098 - Methods of preparation of an olefin oligomerization catalyst
A method of making a catalyst for use in oligomerizing an olefin, comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising abating all or a portion of water, acidic protons, or both from a composition comprising the chromium-containing compound, ...

08/18/05 - 20050181935 - Calcium-based catalyst system
The process and catalyst system of this invention can be utilized to synthesize a highly random styrene-butadiene rubber having a high trans content by solution polymerization. The styrene-butadiene rubber made by the process of this invention can be utilized in tire tread rubbers that exhibit improved wear characteristics. This invention ...

07/28/05 - 20050164872 - Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom
New ligands, compositions, metal-ligand complexes and arrays with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also ...

07/21/05 - 20050159300 - Dual metallocene catalyst for producing film resins with good machine direction (md) elmendorf tear strength
This invention relates to catalyst compositions comprising a first metallocene compound, a second metallocene compound, at least one chemically-treated solid oxide, and at least one organoaluminum compound. This invention also relates to methods to prepare and use the catalyst compositions and new polyolefins. The compositions and methods disclosed herein provide ...

07/21/05 - 20050159299 - Hydrophobization and silica for supported catalyst
This invention relates to a catalyst support comprising the result of the combination of: (a) a support comprising hydroxyl groups; (b) a capping agent comprising a boron containing Lewis acid; and (c) an ionic activator, wherein at least some of the capping agent does not form a support bound activator. ...

07/07/05 - 20050148459 - Process for producing modified particle, carrier or catalyst component for addition polymerization, pre-polymerized catalyst component therefor, catalyst therefor, and addition polymer
A process for producing a modified particle, a carrier or a catalyst component for addition polymerization, which comprises the steps of (1) contacting a compound (a) represented by the defined formula M1L13 with a compound (b) represented by the defined formula R1t-1TH, thereby producing a contact product, and (2) contacting ...

06/09/05 - 20050124487 - Polymerization process using metallocene catalyst systems
The present invention relates to a polymerization process using improved metallocene catalyst systems. Specifically, the catalyst systems of the present invention relate to a metallocene compound having optimized metals loading and activator concentration, and demonstrate improved operability and productivity. In an exemplary embodiment, the improved metallocene catalyst system of the ...



###

FreshPatents.com Support