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:
Sep. 08, 1992
Filed:
Aug. 26, 1988
Applicant:
Inventors:
Yoshiaki Yasukawa, Ichiharashi, JP;
Hiroyoshi Asakuno, Ichiharashi, JP;
Kinya Mori, Chibashi, JP;
Kenji Iwai, Ichiharashi, JP;
Assignee:
Chisso Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 34 ; 524449 ; 524451 ; 524456 ; 524504 ; 524505 ; 525 64 ; 525 92 ;
Abstract
A polypropylene resin composition superior in rigidity, resistance to heat distortion, to secondary deformation, to sink mark forming and warpage deformation is provided which comprises a specified polypropylene-ethylene block copolymer and an organic fiber and an optionally added inorganic fiber, or a specified modified polypropylene-ethylene block copolymer and an organic fiber and an optionally added inorganic filler.