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| Number | Title | Issue Date |
| 7439313 | Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom A MgCl2.mEtOH.nH2O adducts, where 3.4 | 10/21/2008 |
| 7417098 | Method for emulsion polymerisation of olefins Process for the emulsion polymerization of one or more olefins by reacting a quinoid compound with a metal compound and a phosphine compound which is substituted by at least one polar radical and subsequently using the reaction product for the polymerization or copo... | 08/26/2008 |
| 7414005 | 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... | 08/19/2008 |
| 7388060 | Catalyst component for olefin (co)polymerization, preparation thereof, a catalyst comprising the same and use thereof The invention relates to a catalyst component for olefin (co)polymerization, to preparation thereof, to a catalyst comprising the same, and to use thereof in olefin (co)polymerization. The catalyst component of the invention comprises magnesium, titanium, halogen, i... | 06/17/2008 |
| 7388061 | 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 ester of polyol of ... | 06/17/2008 |
| 7381780 | Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions Improved catalyst compositions, and polymerization processes using such improved catalyst compositions, are provided. An example of an improved catalyst composition is a supported catalyst system that includes at least one titanium compound, at least one magnesium c... | 06/03/2008 |
| 7378478 | Catalyst precursor composition for electroless plating, and preparation method of transparent electromagnetic interference shielding material using the same The present invention relates to a catalyst precursor composition for electroless plating, and more specifically, the present invention provides the catalyst precursor composition comprising (a) a reactive oligomer; (b) a reactive monomer; (c) a photoinitiator; (d) ... | 05/27/2008 |
| 7371802 | Components and catalysts for the polymerization of olefins The present invention relates to a solid catalyst component for the polymerization of olefins CH2═CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from thiophene dicarb... | 05/13/2008 |
| 7351678 | Catalyst systems for Ziegler-Natta propene polymerisation The invention relates to the use of nitrogenous aluminium organyl complexes of general formula (I) as co-catalysts in heterogeneous polymerisation reactions of propene. In said formula: R, R′, R1 and R1′ independently of one another represe... | 04/01/2008 |
| 7351778 | Catalyst component for olefin polymerization and catalyst comprising the same The present invention provides a catalyst component for polymerization of olefin CH2═CHR, in which R is hydrogen or C1-C12 alkyl or aryl, comprising magnesium, titanium, a halogen and an electron donor compound (a) which is at leas... | 04/01/2008 |
| 7348383 | Spray-dried, mixed metal ziegler catalyst compositions A Ziegler-Natta catalyst composition comprising a solid mixture formed by halogenation of: Al) a spray-dried catalyst precursor comprising the reaction product of a magnesium compound, a non-metallocene titanium compound, and at least one non-metallocene compound of... | 03/25/2008 |
| 7335712 | Process of producing a siloxy-functionalized polymer This invention relates to siloxy-functionalized polymers having the silicon of the siloxy group directly bonded to the end of a polymer chain through one or more carbon atoms, processes of producing the polymers, and initiators used to prepare the polymers. The poly... | 02/26/2008 |
| 7329626 | Ziegler-Natta catalyst, preparation, and use for the polymerization of alkenes A method for making a solid catalytic component for a Ziegler-Natta catalyst includes contacting a particulate porous support with a solution of a hydrocarbon soluble organomagnesium precursor compound in a hydrocarbon solvent; and reacting said hydrocarbon soluble ... | 02/12/2008 |
| 7326757 | Supported catalyst for olefin polymerization Disclosed are catalyst systems and methods of making the catalyst systems for the polymerization of an olefin containing a solid titanium catalyst component containing an inorganic titanium compound, a magnesium alcohol adduct made from an inorganic magnesium compou... | 02/05/2008 |
| 7323526 | Supported metallocene-alkyl catalyst composition A supported catalyst composition having improved flow properties is disclosed comprising an alkylalumoxane, a metallocene-alkyl an inorganic oxide support having an average particle size of from 0.1 to 50 μm and calcined at a temperature greater than 600° C., and ... | 01/29/2008 |
| 7323431 | Catalyst for olefin polymerization and use of the same The present application discloses a catalyst for olefin polymerization, comprising a product of the following components: (A) solid titanium-containing catalyst component comprising magnesium, titanium and halogen as essential components; (B) organo-aluminum compoun... | 01/29/2008 |
| 7307035 | Magnesium dichloride-alcohol adducts and catalyst components obtained therefrom The present invention relates to an adduct comprising MgCl2, an alcohol (ROH) in which R is a C1-C10 hydrocarbon group, and a compound containing a transition metal M selected from the Groups 3 to 11 or the lanthanide or actinide groups of the ... | 12/11/2007 |
| 7297832 | Tetramerization of olefins The invention describes a process for tetramerisation of olefins wherein the product stream of the process contains more than 30% of the tetramer olefin. The process includes the step of contacting an olefinic feedstream with a catalyst system containing a transitio... | 11/20/2007 |
| 7285513 | Preparation of catalyst systems The present invention relates to a process for preparing a catalyst for olefin polymerization which is obtainable by bringing A) at least one organic transition metal compound, B) a mixture of at least two different organo metallic compound... | 10/23/2007 |
| 7259125 | Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions Improved catalyst compositions, and polymerization processes using such improved catalyst compositions, are provided. An example of an improved catalyst composition is a supported catalyst system that includes at least one titanium compound, at least one magnesium c... | 08/21/2007 |
| 7256150 | Preparation of olefin polymerization catalyst component A process for producing a Gp 2/transition metal olefin polymerisation catalyst component, in which a Gp 2 complex is reacted with a transition metal compound so as to produce an oil-in-oil emulsion, the disperse phase containing the preponderance of the Gp 2 metal b... | 08/14/2007 |
| 7255334 | Air suspension piston The invention relates to an air suspension piston, with the air suspension piston being tube shaped and being made of aluminium. The air suspension piston is formed by a longitudinal-seam welded tube made from an aluminum alloy, and the tube has been longitudinal-se... | 08/14/2007 |
| 7247596 | Stabilized organoborane polymerization initiators and polymerizable compositions The invention is polymerizable compositions comprising in one part an organoboron compound capable of forming a free radical generating species and a stabilizing amount of one or more compounds comprising a dihydrocarbyl hydroxyl amine, an alicyclic hydroxyl amine, ... | 07/24/2007 |
| 7241715 | Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom New ligands and compositions 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/... | 07/10/2007 |
| 7242832 | Device for tissue characterization A probe for use in characterizing tissue. The probe includes a plurality of optical fibers and an optical element. Each fiber includes a distal portion and a proximal portion. The fibers transmit light through the fiber to a surrounding area and collect light reflec... | 07/10/2007 |
| 7238637 | Method for the preparation of olefin polymerization catalysts The invention provides a process for producing an olefin polymerization catalyst comprising a catalyst component formed by contacting at least (a) a compound of Group 1 to 3 of the Periodic Table (IUPAC) with (b) a transition metal compound of Group 4 to 10 of the P... | 07/03/2007 |
| 7235703 | Catalytic composition and its application to olefin oligomerization An improved catalytic composition for oligomerization, in particular dimerization, of monoolefins comprises the product resulting from bringing the following three constituents into contact in any order: a) at least one divalent nickel compound; ... | 06/26/2007 |
| 7232785 | Solid catalytic component and catalytic system of the ziegler-natta type, process for their preparation and their use in the polymerization of alk-1-enes The present invention relates to a new solid catalytic component, which can be used in combination with an aluminum compound as co-catalyst and optionally an external electron donor as additional co-catalyst to form a catalytic system of the Ziegler-Natta-catalyst-t... | 06/19/2007 |
| 7226880 | Breathable, extensible films made with two-component single resins A film formed from a two-component single resin including two components, not blended or co-polymerized, but inter-polymerized. The two components may have different densities and/or different melt indexes, with the resulting resin having properties of a blend of th... | 06/05/2007 |
| 7223711 | Pre-polymerized catalyst components for the polymerization of olefins Catalyst components for the preparation of ethylene (co)polymers capable to produce polymers with high bulk density, to avoid the problems of formation of fines and that have a high activity are provided. Said catalyst components are characterized by comprising a no... | 05/29/2007 |
| 7220694 | Magnesium compound, olefin polymerization catalyst, and method for producing olefin polymer The invention relates to a magnesium compound effective in producing olefin polymers having an increased bulk density and a narrowed particle size distribution, not lowering the stereospecificity of the polymers produced and not lowering the polymerization activity ... | 05/22/2007 |
| 7220805 | Process for producing contact product; catalyst component for addition polymerization; process for producing catalyst for addition polymerization; and process for producing addition polymer There are provided (1) a process for producing a contact product, which comprises the step of contacting at least a phthalocyanine complex, a porphyrin complex, or their combination with a surfactant; (2) a catalyst component for addition polymerization, which compr... | 05/22/2007 |
| 7211534 | Preparation of a magnesium halide support for olefin polymerization and a catalyst composition using the same A magnesium halide support material for a polyolefin catalysts is disclosed. The magnesium halide of present invention is prepared by reacting magnesium with an alkylhalide in a non-polar hydrocarbon solvent. Preparation of the support does not require the use elect... | 05/01/2007 |
| 7211535 | Enhanced polyolefin catalyst The present invention provides a novel process for preparing a catalyst useful in gas phase polymerization of olefins wherein the physical properties of the polymer and the productivity of the catalyst can be altered depending on the sequence of addition of the cata... | 05/01/2007 |
| 7208559 | Ethylened polymer and molded object obtained therefrom An ethylene-based polymer which is an ethylene/C4 to C10 α-olefin copolymer and satisfies the following requirements [k1] to [k3]: [k1] melt flow rate (MFR) under a loading of 2.16 kg at 190° C. is in the range of 1.0 to 50 g/10 minutes; [k2] LNR defined as a scal... | 04/24/2007 |
| 7208435 | Solid catalyst component for olefin polymerization and catalyst A solid catalyst component for polymerization of olefins prepared by contacting (a) a dialkoxy magnesium compound, (b) a tetra-valent titanium halide, and (c) an electron donor compound of the formula R1R2C(COOR3)2 suspend... | 04/24/2007 |
| 7202314 | Components and catalysts for the polymerization of olefins The present invention relates to a solid catalyst component for the polymerization of olefins CH2═CHR in which R is hydrogen or a hydrocarbon radical with 1–12 carbon atoms, comprising Mg, Ti, halogen and an electron donor selected from succinates, sa... | 04/10/2007 |
| 7202191 | Polymerization catalyst system using n-butylmethyldimethoxysilane for preparation of polypropylene film grade resins It has been discovered that using n-butylmethyldimethoxysilane (BMDS) as an external electron donor for Ziegler-Natta catalysts can provide a catalyst system that may prepare polypropylene films with improved properties. The catalyst systems of the invention provide... | 04/10/2007 |
| 7172988 | Catalyst component for ethylene polymerization, a process for preparing thereof and catalyst comprising the same A catalyst component for ethylene polymerization, including an inorganic oxide support, and at least one alkyl metal compound, at least one halide, at least one dihydrocarbyl magnesium compound, at least one difunctional compound that reacts with the dihydrocarbyl m... | 02/06/2007 |
| 7169727 | Process for forming a ziegler-natta catalyst system having a controlled morphology A pre-catalyst is formed by reacting butylethylmagnesium with an alcohol to form a magnesium alkoxide compound, followed by contacting the magnesium alkoxide compound with a phosphorous compound to form a magnesium alkoxide phosphorous compound mixture. The magnesiu... | 01/30/2007 |
