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:
Feb. 27, 1996
Filed:
Sep. 26, 1994
Applicant:
Inventors:
Taichi Nishio, Chiba, JP;
Yuji Ikezawa, Nagoya, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523204 ; 523207 ; 523212 ; 523213 ; 524265 ; 524449 ; 524548 ; 524555 ; 524582 ; 524588 ;
Abstract
A mica-reinforced propylene resin composition having a volatile matter at 105.degree. C of 0.12% or less is obtained by heating and melting a mixture containing (A) a crystalline polypropylene, (B) mica treated with an organosilane compound, (C) a bismaleimide compound, and (D) an organic peroxide. It has excellent stiffness, heat resistance and dimensional stability, does not corrode a mold, and does not exhale an irritating odor during molding.