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:
May. 02, 1989
Filed:
Mar. 29, 1988
Applicant:
Inventors:
Takumi Hirosawa, Suita, JP;
Yuzo Hirayama, Ibaragi, JP;
Keiki Sagara, Suita, JP;
Mituhiro Isomichi, Takatsuki, JP;
Junichi Kumabe, Kobe, JP;
Assignee:
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08J / ;
U.S. Cl.
CPC ...
524 88 ; 524583 ;
Abstract
A colored polypropylene resin comprising a polypropylene resin, a carbon black pigment and a copper phthalocyanine pigment, said colored polypropylene resin further comprising 0.2 to 20 parts by weight, per 100 parts by weight of said two pigments combined, of at least one compound selected from the group consisting of
Hirosawa, Takumi. (1989). Colored polypropylene resin (U.S. Patent No. 4826898). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4826898
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile