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:
Sep. 12, 2006
Filed:
Sep. 07, 2005
Applicants:
Michael Chi-wang Chan, Hong Kong, CN;
Chi-fai Kui, Hong Kong, CN;
Inventors:
Michael Chi-Wang Chan, Hong Kong, CN;
Chi-Fai Kui, Hong Kong, CN;
Assignee:
The University of Hong Kong, Hong Kong, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); C07F 7/00 (2006.01); C07F 9/00 (2006.01); C07D 213/89 (2006.01); C09B 55/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst compound of formula I or II: (wherein R–R, M, E, T, X, Y, m and n are defined herein). The compound, when combined with a suitable activator, is active for the polymerization of olefins. In an embodiment of combinations of the R–Rand T groups, these catalysts can engage in weak attractive non-covalent interactions with the polymer chain. In another embodiment, the R–Rgroups in formula II exhibit weak attractive non-covalent interactions with the polymer chain.