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.

Date of Patent:
Dec. 16, 2025

Filed:

Jul. 01, 2022
Applicants:

Shigeyuki Harada, Shizuoka, JP;

Yuya Hirokawa, Kanagawa, JP;

Inventors:

Shigeyuki Harada, Shizuoka, JP;

Yuya Hirokawa, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/38 (2014.01); C09D 11/03 (2014.01); C09D 11/101 (2014.01); C09D 11/30 (2014.01); C09D 181/00 (2006.01);
U.S. Cl.
CPC ...
C09D 11/38 (2013.01); C09D 11/03 (2013.01); C09D 11/101 (2013.01); C09D 11/30 (2013.01); C09D 181/00 (2013.01);
Abstract

An active energy ray polymerization initiator has a structure of Chemical Formula (1) or (2),


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Harada, Shigeyuki. (2025). Active energy ray polymerization initiator, active energy ray curing composition, active energy ray curing ink, aqueous active energy ray curing ink, container, image forming device, image forming method, and method of manufacturing active energy ray polymerization initiator (U.S. Patent No. 12497530). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12497530

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