Patent application number | Description | Published |
20090312507 | PROCESS FOR THE PRODUCTION OF PROPYLENE POLYMERS HAVING A LOW ASH CONTENT - The present invention relates of a polymerization process for the production of propylene polymers with low ash content using a Ziegler-Natta catalyst with a diether as internal electron donor. The present invention also relates to the propylene polymers produced with said process as well as to films, fibers and nonwovens made with said propylene polymer. | 12-17-2009 |
20090326172 | CATALYST COMPOSITION FOR THE COPOLYMERIZATION OF PROPYLENE - The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound and a succinate compound as internal electron donor, all supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor. | 12-31-2009 |
20100069580 | CATALYST COMPOSITION FOR THE (CO) POLYMERIZATION OF PROPYLENE - The present invention relates to a process for the production of propylene polymers in the presence of a blend of a first Ziegler-Natta catalyst, which comprises a titanium compound having at least one titanium-halogen bond and a diether compound as internal electron donor, and a second Ziegler-Natta catalyst, which comprises a titanium compound having at least one titanium-halogen bond and a succinate compound as internal electron donor. | 03-18-2010 |
20100234544 | Process for the Polymerisation of Olefins - A process for the polymerisation of olefins comprising the steps of: a) passing an olefin-containing hydrocarbon feedstock over a sorbent material comprising nickel deposited on a support material wherein said nickel is present as both nickel oxide and metallic nickel; b) converting at least part of the olefins contained in said hydrocarbon feedstock into a polymer over one or more metallocene catalysts; and c) recovering the polymer product. | 09-16-2010 |
20120178879 | PROCESS FOR RECYCLING PRODUCT STREAMS SEPARATED FROM A HYDROCARBON-CONTAINING FEED STREAM - The present invention relates to a process for recycling product streams that have been separated from a hydrocarbon-containing feed stream comprising olefin monomer, olefin co-monomer, hydrocarbon diluent and components such as H | 07-12-2012 |
20140128250 | Catalyst Composition for the Copolymerization of Propylene - The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound and a succinate compound as internal electron donor, all supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor. | 05-08-2014 |
20140200316 | Catalyst Composition for the (Co)polymerization of Propylene - The present invention relates to a process for the production of propylene polymers in the presence of a blend of a first Ziegler-Natta catalyst, which comprises a titanium compound having at least one titanium-halogen bond and a diether compound as internal electron donor, and a second Ziegler-Natta catalyst, which comprises a titanium compound having at least one titanium-halogen bond and a succinate compound as internal electron donor. | 07-17-2014 |
20140377137 | SYSTEM FOR RECYCLING PRODUCT STREAMS SEPARATED FROM A HYDROCARBON-CONTAINING FEED STREAM - The present invention relates to a process for recycling product streams that have been separated from a hydrocarbon-containing feed stream comprising olefin monomer, olefin co-monomer, hydrocarbon diluent and components such as H | 12-25-2014 |