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:
Feb. 24, 2015
Filed:
Jul. 01, 2011
Hirofumi Ichinose, Tokyo, JP;
Daiji Okamura, Tokyo, JP;
Kousuke Yamasaki, Kawasaki, JP;
Mitsuru Ishii, Kamagaya, JP;
Yuuki Nishino, Tokyo, JP;
Hiroshi Tomioka, Tokyo, JP;
Hirofumi Ichinose, Tokyo, JP;
Daiji Okamura, Tokyo, JP;
Kousuke Yamasaki, Kawasaki, JP;
Mitsuru Ishii, Kamagaya, JP;
Yuuki Nishino, Tokyo, JP;
Hiroshi Tomioka, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet ink containing a pigment and a polyurethane polymer, wherein the polyurethane polymer has units derived from a polyol having no acid group and having the carbon number of 13 or more and 250 or less, a diol having an acid group and having the carbon number of 1 or more and 7 or less, a polyol having a siloxane structure, and a polyisocyanate, and an acid value of the polyurethane polymer is 40.0 mgKOH/g or more and 80.0 mgKOH/g or less.