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. 27, 2015
Filed:
Apr. 11, 2013
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/01 (2006.01); B41J 2/05 (2006.01); B41J 2/17 (2006.01); B41J 2/175 (2006.01); B60C 1/00 (2006.01); C08G 18/08 (2006.01); C08G 18/28 (2006.01); C08G 18/80 (2006.01); C08G 73/10 (2006.01); C08K 3/04 (2006.01); C08K 3/20 (2006.01); C08K 5/05 (2006.01); C08K 5/34 (2006.01); C08K 5/3435 (2006.01); C08K 5/3492 (2006.01); C08L 75/00 (2006.01); C09D 5/00 (2006.01); C09D 11/00 (2014.01); G01D 11/00 (2006.01); C09D 11/322 (2014.01); C09D 175/04 (2006.01); C09D 11/30 (2014.01); C09D 7/12 (2006.01); C09D 7/02 (2006.01); C09D 5/02 (2006.01); C09D 175/08 (2006.01); C09D 7/00 (2006.01); C09D 11/324 (2014.01); C09D 175/00 (2006.01); C09D 11/40 (2014.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); B41J 2/01 (2013.01); B41J 2/05 (2013.01); B41J 2/17 (2013.01); B41J 2/175 (2013.01); B41J 2/17503 (2013.01); C09D 5/00 (2013.01); C09D 5/022 (2013.01); C09D 5/028 (2013.01); C09D 7/007 (2013.01); C09D 7/02 (2013.01); C09D 7/1225 (2013.01); C09D 7/1233 (2013.01); C09D 11/00 (2013.01); C09D 11/30 (2013.01); C09D 11/324 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01); C09D 175/00 (2013.01); C09D 175/04 (2013.01); C09D 175/08 (2013.01);
Abstract
The invention provides an ink containing a self-dispersion pigment in which a phosphonic acid group is bonded directly or through another atomic group to the surface thereof and a polyurethane polymer, wherein the surface charge amount of the self-dispersion pigment is 0.25 mmol/g or more and 0.42 mmol/g or less, and the polyurethane polymer has units respectively derived from a polyisocyanate, a polyether polyol having no acid group and a diol having an acid group.