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. 21, 1998
Filed:
Jul. 24, 1997
Applicant:
Inventors:
Hayato Kihara, Ichihara, JP;
Masayuki Fujita, Ichihara, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526204 ; 526217 ; 526219 ; 526220 ; 526346 ;
Abstract
A styrene base polymer superior and well-balanced in mechanical strength and fluidity and also superior in heat resistance is industrially advantageously produced by a radical polymerization process comprising;