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. 17, 2021
Filed:
Jan. 16, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Yuuki Matsushita, Kanagawa, JP;
Satoshi Kojima, Kanagawa, JP;
Takayuki Shimizu, Kanagawa, JP;
Shin Hasegawa, Tokyo, JP;
Hiroki Kobayashi, Kanagawa, JP;
Yukiko Ishijima, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/18 (2006.01); C08K 5/5397 (2006.01); C09D 11/322 (2014.01); C09D 11/38 (2014.01);
U.S. Cl.
CPC ...
C08F 220/1811 (2020.02); C08K 5/5397 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01);
Abstract
An active energy ray-curable composition is provided. The active energy ray-curable composition comprises a polymerizable compound and a polymerization initiator. The polymerizable compound comprises isobornyl acrylate. The active energy ray-curable composition gives, when centrifuged with a centrifugal force of 8×10g, a supernatant with an absorbance at a wavelength of 700 nm of 0.02 or lower.