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. 06, 2009
Filed:
Nov. 12, 2003
Applicants:
Timothy L. Lambert, Waterbury, CT (US);
Werner A. Thuring, Elmira, CA;
Inventors:
Timothy L. Lambert, Waterbury, CT (US);
Werner A. Thuring, Elmira, CA;
Assignee:
Crompton Corporation, Middlebury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 7/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method is disclosed for reducing levels of residual halogen and Group IIIb metals in a crude poly(α-olefin) polymerized in the presence of a catalyst comprising the halogen and Group IIIb metals, wherein the method comprises: