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:
Jan. 29, 2013
Filed:
Mar. 29, 2007
Applicants:
Paul C. Vosejpka, Midland, MI (US);
Harold W. Boone, Sugar Land, TX (US);
Kevin A. Frazier, Midland, MI (US);
Carl N. Iverson, Houston, TX (US);
Inventors:
Paul C. Vosejpka, Midland, MI (US);
Harold W. Boone, Sugar Land, TX (US);
Kevin A. Frazier, Midland, MI (US);
Carl N. Iverson, Houston, TX (US);
Assignee:
Dow Global Technologies, LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/00 (2006.01); C07D 233/64 (2006.01); C07D 307/78 (2006.01);
U.S. Cl.
CPC ...
Abstract
Hafnium complexes of heterocyclic organic ligands having improved solubility in aliphatic hydrocarbon solvents and their use as components of olefin polymerization catalysts as well as novel syntheses of component parts thereof are disclosed.