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. 17, 2022
Filed:
Jan. 17, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Hiroki Kobayashi, Kanagawa, JP;
Satoshi Kojima, Kanagawa, JP;
Takayuki Shimizu, Kanagawa, JP;
Shin Hasegawa, Tokyo, JP;
Yukiko Ishijima, Tokyo, JP;
Yuuki Matsushita, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/46 (2006.01); C08F 2/50 (2006.01); C08G 61/04 (2006.01); C09D 11/101 (2014.01); C08F 220/18 (2006.01); B41M 7/00 (2006.01); C08K 5/5397 (2006.01); C08L 33/06 (2006.01); C08L 75/04 (2006.01); C08L 83/04 (2006.01); C09D 11/40 (2014.01);
U.S. Cl.
CPC ...
C09D 11/101 (2013.01); B41M 7/0018 (2013.01); C08F 220/1811 (2020.02); C08K 5/5397 (2013.01); C08L 33/068 (2013.01); C08L 75/04 (2013.01); C08L 83/04 (2013.01); C09D 11/40 (2013.01); C08L 2312/06 (2013.01);
Abstract
A curable clear ink composition is provided. The curable clear ink composition comprises a surfactant, a monofunctional polymerizable compound having a static surface tension of 33 mN/m or less at 25 degrees C. in an amount of 10% by mass or more but 30% by mass or less, an oligomer having a weight average molecular weight (Mw) of 1,000 or more, and an acylphosphine oxide polymerization initiator in an amount of 8% by mass or more but 12% by mass or less.