Invention Grant
- Patent Title: Porphyrazine coloring matter, ink, ink set, and colored product
- Patent Title (中): 紫菜色素,油墨,油墨和彩色产品
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Application No.: US12450127Application Date: 2008-03-13
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Publication No.: US07854797B2Publication Date: 2010-12-21
- Inventor: Takafumi Fujii , Takashi Yoneda , Yasuo Kuroda , Yoshiaki Kawaida
- Applicant: Takafumi Fujii , Takashi Yoneda , Yasuo Kuroda , Yoshiaki Kawaida
- Applicant Address: JP Tokyo
- Assignee: Nippon Kayaku Kabushiki Kaisha
- Current Assignee: Nippon Kayaku Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Nields, Lemack & Frame, LLC
- Priority: JP2007-064591 20070314
- International Application: PCT/JP2008/054584 WO 20080313
- International Announcement: WO2008/111635 WO 20080918
- Main IPC: C09D11/02
- IPC: C09D11/02 ; C07D487/22 ; B41J2/01

Abstract:
The present invention relates to a porphyrazine coloring matter represented by the following formula (1) or a salt thereof; wherein, each of the rings A to D independently represents a benzene ring or a 6-membered nitrogen-containing heteroaromatic ring, at least one or more thereof is a benzene ring, at least one of the rest is a nitrogen-containing heteroaromatic ring, E represents alkylene, X is an anilino group having a substituent and the like, Y represents an amino group; a hydroxy group; a mono- or di-alkylamino group or a nitrogen-containing heterocyclic group which may have a substituent, excepting for the combination in which Y is an amino group or a hydroxy group and X is a substituted anilino group, b is 0 to 2.9, c is 0.1 to 3, and the sum of b and c is 1 to 3. According to the present invention, a porphyrazine coloring matter suitable for inkjet recording which has a good hue as a cyan ink, is excellent in light fastness, ozone fastness and moisture fastness, and causes no bronze phenomenon can be provided.
Public/Granted literature
- US20100112218A1 NOVEL PORPHYRAZINE COLORING MATTER, INK, INK SET, AND COLORED PRODUCT Public/Granted day:2010-05-06
Information query
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