Invention Grant
- Patent Title: Ink, ink stored container, inkjet recording apparatus, and recorded matter
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Application No.: US15174063Application Date: 2016-06-06
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Publication No.: US09988543B2Publication Date: 2018-06-05
- Inventor: Akihiko Matsuyama , Shigeyuki Harada , Yoshiki Yanagawa , Masayuki Fukuoka , Takuya Yamazaki , Kazukiyo Nagai , Tomoyuki Shimada , Akiyoshi Sabu , Yuusuke Koizuka
- Applicant: Akihiko Matsuyama , Shigeyuki Harada , Yoshiki Yanagawa , Masayuki Fukuoka , Takuya Yamazaki , Kazukiyo Nagai , Tomoyuki Shimada , Akiyoshi Sabu , Yuusuke Koizuka
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2015-119211 20150612
- Main IPC: C09D11/322
- IPC: C09D11/322 ; C09D135/02 ; B41J2/175 ; B41J29/13 ; C09D11/107
Abstract:
Provided is an ink containing a copper phthalocyanine pigment, wherein an absorbance ratio (Y/X) of a local minimum absorbance Y of the ink in a wavelength range of from 665 nm through 675 nm to a local maximum absorbance X of the ink in a wavelength range of from 610 nm through 620 nm is 0.660 or greater but 0.740 or less.
Public/Granted literature
- US20160362572A1 INK, INK STORED CONTAINER, INKJET RECORDING APPARATUS, AND RECORDED MATTER Public/Granted day:2016-12-15
Information query
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