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:
Aug. 25, 2026
Filed:
Dec. 28, 2021
Nichias Corporation, Tokyo, JP;
Kohei Ohyoshi, Tokyo, JP;
Taira Yoshida, Tokyo, JP;
NICHIAS CORPORATION, Tokyo, JP;
Abstract
Provided is an ink composition for screen printing that does not easily allow the generation of a printing defect or a rough surface portion in a printed matter even in the case of forming the printed matter having a thick thickness. An ink composition for screen printing containing (a) a rubber-forming component, (b) a crosslinking agent, (c) a main solvent that dissolves the rubber-forming component and (d) a poor solvent that dissolves in the main solvent but does not dissolve in the rubber-forming component, in which a viscosity (0.1/s) obtained with an E-type viscometer at a temperature of 25° C. is 300 to 50000 Pa·s, a viscosity (10/s) obtained with the E-type viscometer at a temperature of 25° C. is 50 to 1500 Pa·s, and a loss tangent (0.1 rad/s) obtained with the E-type viscometer at a temperature of 25° C. is 10 to 20.