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:
Dec. 04, 2001
Filed:
Sep. 15, 1998
Applicant:
Inventors:
Billie B. Dadgar, Baton Rouge, LA (US);
Donald E. Balhoff, Baton Rouge, LA (US);
Charles H. Kolich, Baton Rouge, LA (US);
Meng-Sheng Ao, Baton Rouge, LA (US);
Homer C. Lin, Baton Rouge, LA (US);
Assignee:
Albemarle Corporation, Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/22 ;
U.S. Cl.
CPC ...
C08F 8/22 ;
Abstract
This invention relates to a thermally stable brominated polystyrene having less than 100 ppm total Cl,, above about 68 wt % bromine and less than about 6,000 ppm hydrolyzable halide. The brominated polystyrene exhibits little or no polymer cross-linking or chain cleavage relative to the starting polystyrene.