| Patent application number | Description | Published |
|---|
| 20080249273 | Isotactic 1-butene copolymers - An isotactic 1-butene copolymer having a content up to 30% by mol of at least one alpha-olefin of formula CH | 10-09-2008 |
| 20080269439 | Process for the Polymerization of Alpha Olefins - A process for preparing 1-butene polymers, comprising polymerizing 1-butene or copolymerizing 1-butene with ethylene, propylene or an alpha-olefin of formula CHT | 10-30-2008 |
| 20080275254 | Process for polymerizing 1-butene - A process for polymerizing 1-butene, optionally with up to 30% by mol of ethylene, propylene or an alpha olefin of formula CH | 11-06-2008 |
| 20080281060 | Process For Polymerizaing 1-Hexene or Higher Alpha-Olefins - A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH | 11-13-2008 |
| 20080281061 | Process for Polymerizaing 1-Hexene or Higher Alpha-Olefins - A process for preparing a polymer containing derived units of one or more alpha olefins of formula CH | 11-13-2008 |
| 20080281062 | Catalyst System for the Polymerization of Olefin - A catalyst system solution obtainable by a process comprising the following steps:
| 11-13-2008 |
| 20080319135 | 1-Butene Polymers Composition - A 1-butene polymer composition comprising:
| 12-25-2008 |
| 20090005523 | Process for the Preparation of Atactic 1-Butene Polymers - A process for obtaining atactic 1-butene polymer optionally containing at least one comonomer selected from ethylene, propylene or an alpha-olefin of formula CH | 01-01-2009 |
| 20090043045 | Polymerization Process for Preparing Polyolefin Blends - A process for preparing polyolefin blends comprising: a) polymerizing in a solution phase propylene or 1-butene to prepare a polymeric solution containing a semicrystalline polymer component; b) polymerizing in a solution phase 1-hexene or 1-octene to prepare a polymeric solution containing an amorphous polymer component; c) mixing the polymeric solutions obtained from steps a) and b); d) subjecting the mixture of step c) to a devolatilization step to separate a polyolefin blend comprising a semicrystalline component and an amorphous component; the polymerization steps a) and b) being carried out in two polymerization reactors connected in parallel. | 02-12-2009 |
| 20090062491 | Metallocene Compounds - A bridged metallocene compound of formula (I) wherein: M is an atom of a transition metal; X, is a hydrogen atom, a halogen atom, or a hydrocarbon-based group; R1 is a C1-C40 hydrocarbon radical; R2 and R3, form together a condensed 3-7 membered ring; R4 is a hydrogen atom or a C1-C40 hydrocarbon radical; W is an aromatic 5 or 6 membered ring. | 03-05-2009 |
| 20090069518 | Process for the polymerization of 1-butene - A process for polymerizing 1-butene comprising the step of contacting under polymerization conditions 1-butene and optionally from 0 to 20% by mol of an alpha olefin with a catalyst system obtainable by contacting a bridget metallocene compound of formula (I) wherein R | 03-12-2009 |
| 20090118449 | PROCESS FOR THE PREPARATION OF ETHYLENE COPOLYMERS - A polymerization process comprising contacting under polymerization conditions ethylene and at least one alpha olefin of formula CH2=CHA wherein A is a C | 05-07-2009 |
| 20090156391 | Catalyst Components for the Polymerization of Olefins - A catalyst component for the polymerization of olefins CH | 06-18-2009 |
| 20090171047 | Metallocene Compounds - A bridged metallocene compound of formula (I) | 07-02-2009 |
| 20090198027 | PROCESS FOR THE PREPARATION OF ETHYLENE PROPYLENE COPOLYMERS - A polymerization process comprising contacting under polymerization conditions ethylene and at least propylene to obtain a copolymer containing from 96% by mol to 71% by mol of ethylene derived units, in the presence of a catalyst system obtainable by contacting: b) at least a metallocene compound of formula (I), b) alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally c) an organo aluminum compound; wherein the groups R | 08-06-2009 |
| 20090234084 | Metallocene Compounds - A metallocene compound of formula (I) wherein M is zirconium titanium or hafnium; X is hydrogen, halogen or an hydrocarbon group; R | 09-17-2009 |
| 20090275712 | Metallocene Compounds - A bridged metallocene compound of formula (I) | 11-05-2009 |
| 20090286946 | Process for the Copolymerization of Propylene - A solution polymerization process comprising contacting under polymerization conditions propylene and at least ethylene or an alpha olefin of formula CH | 11-19-2009 |
| 20100121011 | 1-BUTENE PROPYLENE COPOLYMER COMPOSITIONS - A 1-butene/propylene copolymer composition having a content of propylene derived units from 1 to 4% by weight, wherein at least 50% of the crystalline polymer is present in the thermodynamically stable, trigonal Form I (detected by DSC analysis) after 100 hours of the first melting at room temperature comprising: b) from 5% by weight to 95% by weight of an atactic 1-butene propylene copolymer having the following features: i) distribution of molecular weight Mw/Mn equal to or lower than 4; ii) no enthalpy of fusion detectable at a differential scanning calorimeter (DSC); and iii) infrared crystallinity lower than 0.5%; b) from 5% by weight to 95% by weight of an isotactic 1-butene propylene copolymer having the following features: isotactic pentads (mmmm) measured by C-NMR, higher than 80%; i) ii) melting point (Tm(II)) higher than 70° C.; and iii) distribution of molecular weight Mw/Mn equal to or lower than 4. | 05-13-2010 |
| 20100121015 | 1-BUTENE PROPYLENE COPOLYMER COMPOSITIONS - A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form 1 after 100 hours at room temperature, said composition comprising:
| 05-13-2010 |
| 20100249346 | METALLOCENE COMPOUNDS BASED ON ETHANEDIYL-BRIDGED INDENE AND CYCLOPENTADITHIOPHENE LIGANDS - A metallocene compound of formula (I) | 09-30-2010 |
| 20100324238 | 1-BUTENE TERPOLYMERS - A terpolymer of 1-butene, ethylene and a at least a C | 12-23-2010 |
| 20100324244 | 1-BUTENE COPOLYMERS - A copolymer of 1-butene and at least a C | 12-23-2010 |
| 20110003938 | COMPOSITIONS OF 1-BUTENE BASED POLYMERS - A 1-butene polymer composition comprising: a) from 10% to 90% by weight of an isotactic 1-butene polymer having the following features: i) isotactic pentad (mmmm) measured by | 01-06-2011 |
| 20110003951 | 1-BUTENE COPOLYMERS - A copolymer of 1-butene and at least a C | 01-06-2011 |
