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:
Aug. 05, 2014
Filed:
Feb. 24, 2012
Applicants:
Tadakatsu Harada, Kanagawa, JP;
Yasuo Yamanaka, Tokyo, JP;
Yasuyuki Matsushita, Aichi, JP;
Kazuhiko Fukushima, Aichi, JP;
Inventors:
Tadakatsu Harada, Kanagawa, JP;
Yasuo Yamanaka, Tokyo, JP;
Yasuyuki Matsushita, Aichi, JP;
Kazuhiko Fukushima, Aichi, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flame retardant resin composition including: a thermoplastic resin; and a flame retardant, wherein the flame retardant includes a phosphorylated lignin derivative, and wherein the phosphorylated lignin derivative is produced by adding phosphoric acid to a lignin derivative obtained by subjecting a naturally occurring lignin to a predetermined treatment.