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:
Jul. 02, 1996
Filed:
Sep. 26, 1995
Applicant:
Inventors:
Shinichi Kadono, Fukuyama, JP;
Kiyoshi Mishima, Fukuyama, JP;
Akihisa Takahasi, Fukuyama, JP;
Akira Taniuchi, Kyoto, JP;
Assignee:
MANAC Inc., Fukuyama, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525357 ; 5253333 ; 5253334 ; 5253591 ; 5253593 ; 525360 ;
Abstract
Disclosed is a process for preparing a brominated polystyrene, which comprises reacting a polystyrene dissolved or dispersed in a halogenated hydrocarbon type solvent, with a brominating agent in the presence of an antimony oxide catalyst.