The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2006
Filed:
Jan. 30, 2002
Akhlaq A. Moman, Riyadh, SA;
Khalid Al-bahily, Riyadh, SA;
Atieh Abu-raqabah, Riyadh, SA;
John Ledford, Riyadh, SA;
Orass M. Hamed, Riyadh, SA;
Akhlaq A. Moman, Riyadh, SA;
Khalid Al-Bahily, Riyadh, SA;
Atieh Abu-Raqabah, Riyadh, SA;
John Ledford, Riyadh, SA;
Orass M. Hamed, Riyadh, SA;
Saudi Basic Industries Corporation, Riyadh, SA;
Abstract
The present invention relates to a catalyst composition for polymerization of olefins comprising: (a) a solid catalyst pre cursor comprising at least one vanadium compound, at least one magnesium compound and a polymeric material or a solid catalyst precursor comprising at least one vanadium compound, at least one further transition metal compound and/or at least one alcohol, at least one magnesium compound and a polymeric material; and (b) a cocatalyst comprising at least one aluminum compound; and to a method for preparing a catalyst composition according to the present invention, comprising the steps of: (a) combining the components of the solid catalyst precursor; and (b) activating the catalyst precursor with aluminum compound.