Patent application number | Description | Published |
20100216957 | CATALYST PREPARATION WITH PHOSPHOROUS COMPOUND - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having an improved polymerisation properties due to the addition of a phosphorous compound during catalyst component preparation and the use thereof in a process for polymerising olefins. | 08-26-2010 |
20100240836 | PROCESS FOR THE MANUFACTURE OF HETEROPHASIC PROPYLENE COPOLYMER - The invention is directed to a process for the manufacture of heterophasic propylene copolymer compositions comprising the steps of forming a propylene polymer matrix in at least one slurry reactor and optionally in at least one gas phase reactor and subsequently forming in at least one gas phase reactor an elastomeric copolymer by copolymerizing propylene with ethylene and/or with another α-olefin in the presence of said matrix, wherein the polymerization is carried out in the presence of a catalyst system comprising a catalyst in form of solid particles, said particles (a) have a surface area of less than 20 m | 09-23-2010 |
20100267903 | Process for the preparation of propylene random copolymers - A process for the preparation of a propylene random copolymer, wherein propylene is polymerised with ethylene and/or a C4-C20 alpha-olefin in the presence of a catalyst system comprising solid catalyst particles, wherein the solid catalyst particles (a) have a specific surface area of less than 20 m | 10-21-2010 |
20110098428 | CATALYST PREPARATION USING H2 - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having improved polymerization properties due to the use of H | 04-28-2011 |
20120101240 | PREPARATION OF PRECIPITATED ZN PP CATALYSTS WITH INTERNAL PORE STRUCTURE USING NANOPARTICLES - Process for the preparation of a catalyst being in the form of solid particles comprising the steps of preparing a solution of a complex of a metal which is selected from one of the groups 1 to 3 of the periodic table (IUPAC) and an electron donor by reacting a compound of said metal with said electron donor in an organic liquid reaction medium; adding to said solution solid material obtaining a suspension, said solid material does not comprise catalytically active sites, has a specific surface area below 500 m | 04-26-2012 |
20120259079 | CATALYST PREPARATION USING H2 - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerization catalyst component in particulate form having improved polymerization properties due to the use of H | 10-11-2012 |
20130018158 | CATALYST WITH LOW SURFACE AREA - Catalyst in form of solid particles, wherein the particles—have a specific surface area of less than 20 m | 01-17-2013 |
20130116393 | CATALYST COMPONENT - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form free of conventional phthalate electron donors and the use thereof in a process for polymerising olefins. | 05-09-2013 |
20130253156 | CATALYST COMPONENT - The invention refers to a process for preparing a Group 2 metal/transition metal olefin polymerisation catalyst component in particulate form for polymerising olefins, especially ethylene or propylene or comonomers thereof. | 09-26-2013 |
20140322535 | PREPARATION OF PRECIPITATED ZN PP CATALYSTS WITH INTERNAL PORE STRUCTURE USING NANOPARTICLES - Process for the preparation of a catalyst being in the form of solid particles comprising the steps of
| 10-30-2014 |