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. 14, 2013
Filed:
Aug. 24, 2011
Kenji Nishiguchi, Yokohama, JP;
Sachie Furukawa, Tokyo, JP;
Katsuhiro Hayashi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet liquid composition which is used with an ink containing a pigment and which contains an ABC triblock polymer formed from an A block having an aryl group, a B block having a unit represented by the general formula (1), and a C block having a unit represented by the general formula (2), wherein an acid value of the polymer is 20 mgKOH/g or more and less than 150 mgKOH/g, the ratio of the number average molecular weight of the polymer to the acid value is 50 or more and 200 or less, the proportion of the A block in the polymer is 20.0 percent by mass or more and 80.0 percent by mass or less and is 5.0 times or more and 15.0 times or less the proportion of units derived from all acidic monomers contained in the polymer.