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. 07, 2007
Filed:
Jan. 21, 2004
Applicants:
Xiuli Sun, Shanghai, CN;
Weiqiu HU, Shanghai, CN;
Cong Wang, Shanghai, CN;
Yong Tang, Shanghai, CN;
Yuliang Zhang, Shanghai, CN;
Chun-an Xia, Shanghai, CN;
Inventors:
Xiuli Sun, Shanghai, CN;
Weiqiu Hu, Shanghai, CN;
Cong Wang, Shanghai, CN;
Yong Tang, Shanghai, CN;
Yuliang Zhang, Shanghai, CN;
Chun-an Xia, Shanghai, CN;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/60 (2006.01); C08F 4/602 (2006.01); C08F 4/64 (2006.01); C08F 10/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Catalysts and catalyst systems useful for the olefin polymerization and copolymerization, and their synthesis procedure and usage are disclosed. These catalyst are a kind of novel complexes formed by transition metal from Group III to Group XI and multidentate ligand having the following formula: