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. 14, 2014
Filed:
Aug. 24, 2010
Applicants:
Nobuyuki Kobayashi, Tokyo, JP;
Takanori Sannan, Tokyo, JP;
Shinya Tsuchida, Tokyo, JP;
Yoshihiko Iijima, Tokyo, JP;
Inventors:
Nobuyuki Kobayashi, Tokyo, JP;
Takanori Sannan, Tokyo, JP;
Shinya Tsuchida, Tokyo, JP;
Yoshihiko Iijima, Tokyo, JP;
Assignee:
Dainichiseika Color & Chemicals Mfg. Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/44 (2006.01); C09K 3/00 (2006.01); C08L 5/08 (2006.01); C09D 105/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A carbon filler dispersant for dispersing a carbon filler in a liquid medium comprised of an aqueous solvent or nonaqueous solvent contains, as a principal component, a hydroxylalkyl chitosan, specifically at least one hydroxyalkyl chitosan selected from the group consisting of glycerylated chitosan, hydroxyethyl chitosan, hydroxypropyl chitosan, hydroxybutyl chitosan, and hydroxybutyl hydroxypropyl chitosan.