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:
Apr. 21, 2025
Filed:
Jan. 20, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Yukiko Ishijima, Tokyo, JP;
Satoshi Kojima, Kanagawa, JP;
Takayuki Shimizu, Kanagawa, JP;
Shin Hasegawa, Tokyo, JP;
Hiroki Kobayashi, Kanagawa, JP;
Yuuki Matsushita, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/40 (2013.12); B41J 2/175 (2005.12); B41M 5/00 (2005.12); B41M 7/00 (2005.12); C09D 11/101 (2013.12); C09D 11/107 (2013.12); C09D 11/38 (2013.12);
U.S. Cl.
CPC ...
C09D 11/40 (2012.12); B41M 5/0023 (2012.12); B41M 7/0081 (2012.12); C09D 11/101 (2012.12); C09D 11/107 (2012.12); C09D 11/38 (2012.12); B41J 2/17503 (2012.12);
Abstract
Provided is an active-energy-ray-curable ink including at least a surface tension modifier and including a monomer having a surface tension of 39 mN/m or greater in an amount of 20% by mass or greater but 60% by mass or less. Preferably, the ink includes a monomer having a surface tension of 43 mN/m or greater in an amount of 5% by mass or greater but 10% by mass or less.