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. 07, 1992
Filed:
Nov. 28, 1989
Applicant:
Inventors:
Junji Takeuchi, Aichi, JP;
Masahiro Takimoto, Mie, JP;
Assignee:
Toyoda Gosei Co., Ltd., Nishikasugai, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
523212 ; 524420 ; 524487 ; 524522 ;
Abstract
A fiber-reinforced polypropylene resin composition is disclosed, comprising (1) a mixed polymer of polypropylene and carboxyl group containing polypropylene, (2) a silane treated reinforcing fiber, and (3) a coloring component of zinc sulfide and carbon black with a dispersing agent compounded thereto, said dispersing agent is polyethylene wax and the amount of said dispersing agent added to 20 to 50 parts by weight per 100 parts by weight of the zinc sulfide and carbon black.