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:
Nov. 27, 2007
Filed:
Aug. 18, 2005
Applicants:
Abbas Razavi, Mons, BE;
Vladimir P. Marin, Houston, TX (US);
Margarito Lopez, Pasadena, TX (US);
Inventors:
Assignee:
Fina Technology, Inc., Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/00 (2006.01); C07F 7/28 (2006.01); C07F 9/00 (2006.01); C08F 4/64 (2006.01); C08F 4/602 (2006.01);
U.S. Cl.
CPC ...
Abstract
Bidentate catalyst systems and the methods or forming such are described herein. The catalyst systems generally are compounds having the general formula: where R, R, Rand Rare optional and independently selected from hydrogen, Cto Calkyl groups or Cto Caryl groups, A' and A″ are independently selected from coordination groups, M is a Group 4 or 5 transition metal, X is selected from halogens, alkyl groups, aromatic groups or combinations thereof and n is less than 4.