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. 08, 1991
Filed:
Nov. 08, 1989
Applicant:
Inventors:
Assignee:
Ube Industries, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08L / ;
U.S. Cl.
CPC ...
523220 ; 524449 ; 524504 ;
Abstract
The present invention relates to a reinforced polypropylene composition comprising a polypropylene component (a modified polypropylene or a mixture of said modified polypropylene and an unmodified polypropylene), an ethylene-propylene copolymer, a glass fiber and mica having an average particle diameter of 40-160 .mu.m and an average aspect ratio of 30-85. This composition can provide molded articles of very low warpage and is useful for the production of molded articles, particularly core materials of instrument panels for automobiles requiring high rigidity, high heat resistance and deformation resistance.