Patent application number | Description | Published |
20130102744 | Catalyst Systems for the Polymerization of Olefins - A catalyst system comprising the product obtained by contacting (a) a solid catalyst component containing Mg, Ti, halogen and at least an electron donor compound selected from 1,3-diethers;
| 04-25-2013 |
20130131290 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A catalyst component for the polymerization of olefins comprising Mg, Ti and at least two electron donor compounds, one of which (A) belonging to specific diolesters and the other electron donor compound (B) being selected from aromatic monoesters of the following formula (B) in which R groups equal to or different from each other, are selected from C | 05-23-2013 |
20130131293 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor of Formula (I) in which R, R | 05-23-2013 |
20130158214 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A solid catalyst component for olefin polymerization, and in particular for the preparation of LLDPE, comprising Mg, Ti, halogen and an electron donor compound (ID) belonging to cyclic ethers having 3-6 carbon atoms, characterized by having the molar ratio Mg/Ti higher than 5, the molar ratio Mg/ID lower than 3, and by a specific X-ray diffraction spectrum. | 06-20-2013 |
20130197173 | CATALYST SYSTEM FOR THE POLYMERIZATION OF OLEFINS - A catalyst system comprising the product obtained by contacting (a) a solid catalyst component containing Mg, Ti, halogen and at least an electron donor compound selected from diolesters of a specific formula (b) an alkylaluminum cocatalyst and (c) an ester of formula R′OOC—(CR″ | 08-01-2013 |
20130203948 | PROCESS FOR THE PREPARATION OF HIGH PURITY PROPYLENE POLYMERS - A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by reacting:—an organo-aluminium compound, with—a solid catalyst component comprising Mg, Ti and electron donor compound selected from specific diolesters, said process being carried out employing an organo-aluminum/propylene ratio equal to or lower than 1.75 mmole/kg. | 08-08-2013 |
20130217844 | PROCESS FOR THE POLYMERIZATION OF OLEFINS - A process for the (co)polymerization of propylene carried out at a temperature ranging from 77 to 95° C. in the presence of a catalyst comprising the product obtained by reacting: —an organo-aluminium compound, with—-a solid catalyst component comprising Mg, Ti and electron donor compound selected from specific diolesters. | 08-22-2013 |
20140046010 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A porous solid catalyst component comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other being selected from succinates, characterized by the fact that the molar ratio ID/Ti is from 0.30 to 0.90, where ID is the total molar amount of succinate and 1,3-diether, the molar ratio of the 1,3-diether donor to the succinate donor is higher than, or equal to, 0.60. | 02-13-2014 |
20140094576 | PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A pre-polymerized catalyst component for the polymerization of olefins CH | 04-03-2014 |
20140142262 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) | 05-22-2014 |
20140148564 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS AND CATALYSTS THEREFROM OBTAINED - 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 and a diol or a derivative thereof. A process for the use of 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 and a diol or a derivative thereof. | 05-29-2014 |
20140243489 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) | 08-28-2014 |
20140243490 | CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - Catalyst component for the polymerization of olefins comprising Mg, Ti and an electron donor compound of the following formula (I) | 08-28-2014 |
20140316083 | PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 μm, ranging from 0.15 to 0.5 cm | 10-23-2014 |
20140378631 | PRE-POLYMERIZED CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS - A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises (i) a non-stereospecific solid catalyst component comprising Ti, Mg and a halogen and having a porosity, due to pores with radius up to 1 μm, ranging from 0.2 to 0.8 cm | 12-25-2014 |
20150025211 | CATALYST SYSTEM FOR THE POLYMERIZATION OF OLEFINS - A catalyst system comprising the product obtained by contacting (a) a solid catalyst component containing Mg, Ti, halogen and at least an electron donor compound selected from phenylene aromatic diesters of a specific formula
| 01-22-2015 |