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:
Nov. 10, 2020
Filed:
Jun. 01, 2015
Applicant:
Takao Hiraoka, Kanagawa, JP;
Inventor:
Takao Hiraoka, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/18 (2006.01); C09D 11/101 (2014.01); C09D 11/30 (2014.01); C08F 2/48 (2006.01); C08F 265/06 (2006.01); C08F 257/02 (2006.01); C09D 4/00 (2006.01);
U.S. Cl.
CPC ...
C08F 220/18 (2013.01); C08F 2/48 (2013.01); C08F 257/02 (2013.01); C08F 265/06 (2013.01); C09D 4/00 (2013.01); C09D 11/101 (2013.01); C09D 11/30 (2013.01); C08F 220/1804 (2020.02);
Abstract
A photopolymerizable composition, which contains: a monofunctional monomer having a viscosity of 5 mPa·s or less at 25° C.; one or more polyfunctional monomers including glycerol dimethacrylate; and a polymer free from a hydrophilic functional group, wherein a mass ratio (A/B) of an amount (A) of the polymer free from a hydrophilic functional group to an amount (B) of the polyfunctional monomer is greater than 0.80 but 3 or less.