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:
Apr. 24, 2018
Filed:
Jan. 24, 2017
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Masahiro Yatake, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/102 (2014.01); C09D 11/322 (2014.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); B41J 2/17523 (2013.01); C09D 11/102 (2013.01);
Abstract
An ink-jet ink of the invention is an ink-jet ink using a pigment and includes polymer particles containing an urethane polymer which includes at least repeating units derived from a polycarbonate diol, repeating units derived from an alicyclic isocyanate, and repeating units derived from an acid group-containing diol, which has an acid value of from 5 to 30 mgKOH/gm, and in which the number of urethane groups is 10 times or more the number of urea groups. The content of the polymer particles is from 0.5 to 3 times the content of the pigment.