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:
Oct. 03, 2017
Filed:
Jun. 17, 2016
Applicant:
Takao Hiraoka, Kanagawa, JP;
Inventor:
Takao Hiraoka, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/101 (2014.01); C08F 222/10 (2006.01); C09D 11/30 (2014.01); C09D 11/322 (2014.01); C09D 133/14 (2006.01);
U.S. Cl.
CPC ...
C08F 222/1006 (2013.01); C09D 11/101 (2013.01); C09D 11/30 (2013.01); C09D 11/322 (2013.01); C09D 133/14 (2013.01); C08F 2222/1013 (2013.01);
Abstract
A photopolymerizable composition, which includes a photoradical polymerization initiator and photopolymerizable monomers containing glycerol dimethacrylate, where an amount of the glycerol dimethacrylate in the photopolymerizable monomers is 25% by mass or greater, and pencil hardness of a cured product is F or harder, where the cured product is formed by curing a coating film through irradiation with light of a wavelength region corresponding to a UVA region, with a light to dose of 800 mJ/cm, where the coating film is formed by coating the photopolymerizable composition on a base so as to have an average thickness of 30 μm.