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:
Dec. 06, 2022
Filed:
Nov. 29, 2018
Applicant:
Dic Corporation, Tokyo, JP;
Inventors:
Naoaki Iioka, Kitaadachi-gun, JP;
Takahiro Nio, Kitaadachi-gun, JP;
Yuri Shouji, Kitaadachi-gun, JP;
Masaki Hosaka, Kitaadachi-gun, JP;
Assignee:
DIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/40 (2014.01); B41M 5/00 (2006.01); C09D 11/322 (2014.01);
U.S. Cl.
CPC ...
C09D 11/40 (2013.01); B41M 5/0023 (2013.01); C09D 11/322 (2013.01);
Abstract
The problem to be solved by the present invention is to provide an ink set that enables forming a printed article with reduced bleeding and color mixing. The present invention is an ink set that includes a black pigment ink (a) having a static surface tension (a1) of 20 mN/m to 40 mN/m and at least one pigment ink (b) selected from the group consisting of a magenta pigment ink and a yellow pigment ink. The static surface tension of the pigment ink (b) is smaller than static surface tension (a1) by 0.1 mN/m to 0.7 mN/m.