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. 19, 1993
Filed:
Nov. 07, 1989
Applicant:
Inventors:
Susumu Era, Ichihara, JP;
Toshio Matsumoto, Chiba, JP;
Yoshinori Kobayashi, Kisarazu, JP;
Masashi Shitara, Sodegauramachi, JP;
Isamu Hattori, Ichihara, JP;
Yoshihiro Nomura, Ichihara, JP;
Assignee:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
525281 ; 525204 ; 525227 ; 525239 ; 525241 ; 525290 ; 525310 ; 525316 ; 525 64 ; 525 67 ; 525 70 ; 525 80 ;
Abstract
An impact modifier obtained by emulsion polymerizing acrylic monomer(s), etc., in the presence of a conjugated diene rubber to give a graft rubber polymer, or obtained by polymerizing acrylic monomer(s) and the like ethylenically unsaturated monomers in the presence of the graft rubber polymer, is effective for improving impact resistance and weathering resistance of molded articles obtained from thermoplastic resin compositions containing such an impact modifier.