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. 05, 2013
Filed:
Feb. 12, 2013
Applicants:
Chevron Oronite Company Llc, San Ramon, CA (US);
The University of Southern Mississippi, Hattiesburg, MS (US);
Inventors:
Casey Don Stokes, Belle Chasse, LA (US);
Robson F. Storey, Hattiesburg, MS (US);
James Joseph Harrison, Novato, CA (US);
Assignees:
Chevron Oronite Company LLC, San Ramon, CA (US);
The University of Southern Mississippi, Hattiesburg, MS (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 8/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to a method for preparation of polyolefins containing exo-olefin chain ends. The method involves quenching a cationic quasi-living polyolefin polymer system with a nitrogen-containing five-membered aromatic ring having at least two hydrocarbyl substituent compounds attached to the ring.