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:
Aug. 17, 2010
Filed:
Jun. 10, 2005
Maria Silvia Tonti, Ferrara, IT;
Luigi Resconi, Ferrara, IT;
Maria Silvia Tonti, Ferrara, IT;
Luigi Resconi, Ferrara, IT;
Basell Polyolefine GmbH, Wesseling, DE;
Abstract
A process for producing a 1-butene polymer comprising the step of polymerizing 1-butene in the presence of a catalyst system obtainable by contacting: wherein M is an atom of a transition metal p is an integer from 0 to 3, X, same or different, is a hydrogen atom, a halogen atom, or a hydrocarbon group. L is a divalent C-Chydrocarbon radical Rand R, equal to or different from each other, are C-Chydrocarbon radicals; T, equal to or different from each other, is a moiety of formula (IIa), (IIb) or (IIc): wherein Rand Rare a C-Chydrocarbon radical; Rand R, equal to or different from each other, are hydrogen atoms or C-Chydrocarbon radicals and Rand R, equal to or different from each other, are hydrogen atoms or C-Chydrocarbon radicals