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. 25, 2009
Filed:
Nov. 16, 2004
Applicants:
Ilya Nifant'ev, Moscow, RU;
Pavel V. Ivchenko, Moscow, RU;
Ilya V. Tajdakov, Moscow, RU;
Luigi Resconi, Ferrara, IT;
Inventors:
Ilya Nifant'ev, Moscow, RU;
Pavel V. Ivchenko, Moscow, RU;
Ilya V. Tajdakov, Moscow, RU;
Luigi Resconi, Ferrara, IT;
Assignee:
Basell Polyolefine GmbH, Wesseling, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/64 (2006.01); C08F 4/72 (2006.01); B01J 31/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A metallocene compound of formula (I) wherein: M is an atom of a transition metal; X, same or different, is a hydrogen atom, a halogen atom, or a R, OR, OSOCF, OCOR, SR, NRor PRgroup, wherein R is C-Chydrocarbon group; L is a divalent bridging group; R, is a C-Chydrocarbon group; Ris a C-Chydrocarbon group; R, R, R, R, Rand R, equal to or different from each other, are hydrogen atoms or C-Chydrocarbon groups.