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:
Aug. 28, 2001
Filed:
Nov. 03, 1998
Applicant:
Inventors:
Taizo Aoyama, Takasago, JP;
Katsuhiko Kimura, Akashi, JP;
Assignee:
Kaneka Corporation, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 1/010 ;
U.S. Cl.
CPC ...
C08F 1/010 ;
Abstract
Isobutylene rubber particles comprising a finely divided isobutylene polymer, and isobutylene-based graft copolymer particles comprising the isobutylene rubber particles and a vinyl monomer graft-polymerized onto the particles, which are useful as an impact modifier having excellent weatherability and thermal stability for thermoplastic resins and provide a thermoplastic resin composition having an improved impact resistance.