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:
Mar. 27, 2007
Filed:
Jul. 30, 2003
Applicant:
William Marritt, Nagano-Ken, JP;
Inventor:
William Marritt, Nagano-Ken, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/14 (2006.01); C08B 31/00 (2006.01); C08L 79/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A self-dispersed pigment ink composition is provided which gives reliable printing performance and yields printed images that have excellent print quality and a dispersant which can realize the ink composition. New polyuronic acid derivatives, as a dispersant, according to the present invention characterized in that polyuronic acids are attached by reductively amination, through reducing termini of the polyuronic acids, to glyceryl poly(oxypropylene) triamine.