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:
Jun. 24, 2025
Filed:
Nov. 25, 2021
Applicant:
Kao Corporation, Tokyo, JP;
Inventors:
Assignee:
KAO CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/322 (2014.01); C09D 7/40 (2018.01); C09D 7/65 (2018.01); C09D 167/02 (2006.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
C09D 11/322 (2013.01); C09D 7/65 (2018.01); C09D 7/67 (2018.01); C09D 7/68 (2018.01); C09D 167/025 (2013.01); B41J 2/01 (2013.01);
Abstract
A pigment water dispersion including pigment-containing polyester resin particles. An alcohol component as a raw material monomer of the polyester resin satisfies the following conditions 1 and 2. Condition 1: a content of a compound (I) represented by the following formula (I) in the alcohol component is not more than 7 mol %, wherein ORand RO are each independently an oxyalkylene group comprising not less than 1 and not more than 4 carbon atoms, and x and y are each independently a positive number of not less than 0. Condition 2: a content of a compound (II) comprising two secondary hydroxy groups except for the compound (I) in the alcohol component is not less than 45 mol %.