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. 17, 2015
Filed:
Jun. 20, 2014
Shizuka Kohzuki, Kanagawa, JP;
Takao Hiraoka, Kanagawa, JP;
Shizuka Kohzuki, Kanagawa, JP;
Takao Hiraoka, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
To provide a photopolymerizable inkjet ink including: diethylene glycol dimethacrylate; caprolactone-modified dipentaerythritol hexaacrylate; and a photopolymerization initiator represented by the following general formula (1): where Xis represented by the following general formula (1-1), and Xis represented by the following general formula (1-2): where Rto Rare each independently a C1-C6 alkyl group, and Rand Rmay be linked to form a ring, and Rand Rmay be linked to form a ring; Zand Zis —NRRor OR; Rand Rare each independently a C1-C6 alkyl group, and Rand Rmay be linked to form a ring; and Ris a hydrogen atom, a methyl group, or a trimethylsilyl group.