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| Number | Title | Issue Date |
| 7534847 | Copolymers of ethylene with α-olefins Copolymers of ethylene with α-olefins which have a molar mass distribution Mw/Mn of from 1 to 8, a density of from 0.85 to 0.94 g/cm3, a molar mass Mn of from 10.000 g/mol to 4 000 000 g/mol and a CDBI of less than 50% an... | 05/19/2009 |
| 7417006 | Catalyst system for the polymerization of olefins A salt of formula (I) [HEoR13]+[T1T2]− (I) wherein Eo is a nitrogen or phosphorous atom; R1 is hydrocarbon radical; T1 is a Lewi... | 08/26/2008 |
| 7402637 | Method for producing a poly-1-olefin in the presence of a Ziegler catalyst The invention relates to a method for producing a poly-1-olefin by polymerization of a 1-olefin of the formula R4C═CH2, in which R4 is hydrogen or an alkyl radical having from 1 to 10 carbon atoms, in suspension, in solution or in ... | 07/22/2008 |
| 7358381 | Racemoselective preparation of bridged metallocene complexes having unsubstituted or 2-substituted indenyl ligands The invention relates to a process for preparing racemic metallocene complexes by reacting transition metal complexes with cyclopentadienyl derivatives of alkali metals or alkaline earth metals and heating the reaction mixture obtained in this way to a temperature i... | 04/15/2008 |
| 7316987 | Components and catalysts for the polymerization of olefins Catalyst component for the polymerization of olefins obtainable by contacting: (i) a magnesium halide, or a suitable precursor; (ii) a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, used in such amounts to have Mg/MD mol... | 01/08/2008 |
| 7314903 | Catalyst system for the polymerization of olefins An organometallic compound obtainable by contacting: a compound having the following formula (I), wherein: Ra is a hydrocarbon radical; Rb, Rc and Rd, are hydrogen atoms, halogen atoms, or hydrocarbon radicals; with a Lewi... | 01/01/2008 |
| 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 |
| 7288598 | Polyolefin masterbatch for preparing impact-resistant polyolefin articles A masterbatch composition comprising (1) 10-50 wt % of a crystalline propylene homopolymer and (2) 50-90 wt % of a blend consisting of (a) a copolymer of ethylene and one or more C4-CIO a-olefin(s), containing 10-40 of C4-CIO a-olefin(s), and (b) an amorphous copoly... | 10/30/2007 |
| 7223712 | Catalyst component for the (CO)polymerization of olefins An internal electron-donor compound selected from the 1,3-diethers of formula (I) in which R is a C1–C10 alkyl group, R1 is a linear or branched primary alkyl radical having at ... | 05/29/2007 |
| 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 |
| 7208436 | Catalyst components for the polymerization of olefins Catalyst components for the polymerization of olefins CH2═CHR, wherein R is hydrogen or a hydrocarbon radical having 1–12 carbon atoms, comprising Mg, Ti, Cl, OR groups, where R is a C1–C10 alkyl group optionally containing heteroatoms, and an ether... | 04/24/2007 |
| 7202315 | Process for the preparation of ethylene polymers A process for polymerizing ethylene comprising contacting under polymerization condition ethylene and optionally one or more olefins with a catalyst system obtainable by contacting: a bis amido compound of formula (I) wherein Y is Si, Ge and Sn; X is hydrogen, halog... | 04/10/2007 |
| 7202373 | Monocyclopentadienyl complexes Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one uncharged donor bound via a boron-containing bridge and comprising one or more atoms of group 15 and/or 16 of the Periodic Table of the Elements and is bound to a metal selected f... | 04/10/2007 |
| 7198852 | Graft copolymer mixture with improved properties and the use thereof as an adhesion promoter A graft copolymer mixture comprises a) from 10 to 50% by weight, based on the mixture, of an ethylene-acrylic acid copolymer and/or an ethylene-acrylic acid-acrylate terpolymer; b) from 50 to 90% by weight, based on the mixture, of an ethyl... | 04/03/2007 |
| 7183332 | Process for the preparation of porous polymers and polymers obtainable thereof A process for preparing porous olefin polymers comprising bringing into contact in a polymerization reactor, at a temperature T1, one or more olefins of the formula (I) CH2═CHR1, R1 being hydrogen, a C1–C | 02/27/2007 |
| 7169871 | Propylene polymers The present invention relates to propylene polymers made by using catalyst components for the polymerization of olefins comprising Mg, Ti, halogen and at least two electron donor compounds, said catalyst component being characterized by the fact that at least one of... | 01/30/2007 |
| 7166683 | Process for polymerizing 1-butene and 1-butene polymers A process for polymerizing 1-butene, optionally with up to 30% by mol of ethylene, propylene or an alpha olefin of formula CH2═CHT wherein T is a C3–C10 alkyl group, in the presence of a catalyst system obtainable by contacting a... | 01/23/2007 |
| 7160964 | Liquid phase process for the polymerization of α-olefins A liquid-phase process for polymerizing α-olefins of the formula CH2═CHR, where R is H or an alkyl radical C1–C6, to produce a polymer that is soluble in the reaction medium, comprising the steps of: a) continuously polymerizing in liquid phase the ... | 01/09/2007 |
| 7141637 | Metallocene compounds and process for the preparation of propylene polymers A metallocene compound of formula (I) wherein M is zirconium, hafnium or titanium; X is hydrogen, halogen, or a hydrocarbyl radical optionally containing heteroatoms; R2, R3, R4 and R... | 11/28/2006 |
| 7141527 | Catalyst system and process for the polymerization of olefins A catalyst system for the polymerization of olefins comprising the product obtained by contacting: (A) a metallocene complex; (B) an organometallic aluminium compound of formula (II): Al[CH2—C(Ar)R4R5 | 11/28/2006 |
| 7138469 | Process for the polymerization of olefins Process for the polymerization of olefins CH2═CHR, in which R is hydrogen or a hydrocarbon radical with 1–12 carbon atoms, carried out in the presence of a catalyst component (A) comprising Mg, Ti and halogen as essential elements and of a catalyst co... | 11/21/2006 |
| 7098164 | Process for the polymerization of olefins A process for the (co) polymerization of olefins of formula CH2═CHR wherein R is a hydrogen atom, a methyl or an ethyl radical, carried out in the presence of a system comprising (a) solid catalyst component comprising a compound of Ti or V not containi... | 08/29/2006 |
