Patent application number | Description | Published |
20120277384 | PREPARATION OF POLYPROPYLENE IN THE PRESENCE OF A SINGLE-SITE CATALYST - Process for the preparation of a polypropylene, wherein propylene is polymerised optionally with a comonomer selected from the group consisting of ethylene, a C4-C20 α-olefin and mixtures thereof, in the presence of a catalyst system comprising solid catalyst particles, wherein the solid catalyst particles (a) comprise a transition metal compound of formula (I) L | 11-01-2012 |
20130018156 | CATALYSTSAANM Resconi; LuigiAACI FerrarraAACO ITAAGP Resconi; Luigi Ferrarra ITAANM Castro; PascalAACI HelsinkiAACO FIAAGP Castro; Pascal Helsinki FIAANM Huhtanen; LauriAACI LoviisaAACO FIAAGP Huhtanen; Lauri Loviisa FI - A solid particulate catalyst free from an external carrier comprising: | 01-17-2013 |
20130116394 | SOLID PARTICULATE CATALYSTS COMPRISING BRIDGED METALLOCENES - Solid, particulate catalysts comprising bridged his indenyl n-ligands are disclosed, together with methods for the preparation and use thereat for example, in olefin polymerization. | 05-09-2013 |
20130131291 | SOLID PARTICULATE CATALYSTS COMPRISING BRIDGED METALLOCENES - A polypropylene homopolymer with a melting point of less than 147° C., a percentage of 2.1 errors of at least 1% and a xylene soluble fraction of less than 0.5 wt %. | 05-23-2013 |
20130217845 | PROCESS FOR OLEFIN POLYMERISATION USING GROUP 4 METALLOCENE AS CATALYSTS - A process for the preparation of a random propylene copolymer comprising polymerising propylene and at least one C2-10 alpha olefin (especially ethylene) in the presence of a catalyst; wherein said catalyst comprises: (i) a complex of formula (I): wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′ | 08-22-2013 |
20130289229 | CATALYSTS - A complex of formula (I): wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′ | 10-31-2013 |
20140018506 | BRIDGED METALLOCENE CATALYSTS - A solid, particulate catalyst comprising: (i) a complex of formula (I) wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R | 01-16-2014 |
20140206819 | HETEROPHASIC COPOLYMERS - A heterophasic polypropylene resin comprising a polypropylene homopolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the xylene soluble fraction of the heterophasic polypropylene resin is in the range 20 to less than 50 wt %; the heterophasic polypropylene resin has an MFR2 of 0.01 to 50 g/10 min; the ethylene content of the xylene soluble fraction of the heterophasic polypropylene resin is in the range of at least 20 wt % to less than 50 wt %; the heterophasic polypropylene resin has a notched charpy impact strength at −20 C of at least 25 kJ/m | 07-24-2014 |
20140221584 | CATALYSTS - A racemic complex of formula (I), wherein M is zirconium or hafnium; each X is a sigma ligand; L is a divalent bridge selected from —R′ | 08-07-2014 |