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. 11, 2021
Filed:
Apr. 04, 2019
Applicant:
Dic Corporation, Tokyo, JP;
Inventors:
Wakana Naito, Kitaadachi-gun, JP;
Kenji Sugo, Kitaadachi-gun, JP;
Assignee:
DIC CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/107 (2014.01); C09D 11/322 (2014.01); C09D 11/033 (2014.01); C09D 11/03 (2014.01); C09D 11/36 (2014.01);
U.S. Cl.
CPC ...
C09D 11/107 (2013.01); C09D 11/03 (2013.01); C09D 11/033 (2013.01); C09D 11/322 (2013.01); C09D 11/36 (2013.01);
Abstract
It is an object of the present invention to provide an aqueous pigment dispersion that can be used to produce an ink with high ejection stability and long-term storage stability and has high dispersibility with a lower likelihood of causing aggregation or precipitation of pigments. The present invention relates to an aqueous pigment dispersion containing a pigment dispersing resin (A), a pigment (B), an organic solvent (C), and an aqueous medium (D), wherein the pigment dispersing resin (A), the pigment (B), and the organic solvent (C) have specified Hansen solubility parameters.