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:
Oct. 25, 2011
Filed:
Dec. 16, 2008
Junko Chizuwa, Fukui, JP;
Tomoya Yamamoto, Awara, JP;
Takayuki Ookawa, Fukui, JP;
Suzuka Ueno, Fukui, JP;
Junko Chizuwa, Fukui, JP;
Tomoya Yamamoto, Awara, JP;
Takayuki Ookawa, Fukui, JP;
Suzuka Ueno, Fukui, JP;
Canon Finetech Inc., Misato-shi, JP;
Abstract
A pigment dispersion liquid capable of stably recording images having high fastness and excellent quality for a long term in any cases has been provided. A pigment dispersion liquid mainly containing a polymer dispersant, a pigment and water, wherein the polymer dispersant is a copolymer comprised of at least a hydrophobic unit and a hydrophilic unit, the hydrophobic unit has a block portion comprised of at least one hydrophobic monomer, the hydrophilic unit has at least a repeating unit structure of an acrylamide structure of the following general formula (1), and the segment number (A) of the block portion comprised of a hydrophobic monomer to the number (B) of all segments of the polymer dispersant is in a range of 0.07 to 0.85 in terms of A/B ratio.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile