Invention Grant
- Patent Title: Porphyrazine coloring matter, ink composition and colored product
- Patent Title (中): 紫菜色素,油墨组成和有色产品
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Application No.: US12999436Application Date: 2009-06-26
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Publication No.: US08394186B2Publication Date: 2013-03-12
- Inventor: Takashi Yoneda , Yasuo Kuroda , Akira Kawaguchi
- Applicant: Takashi Yoneda , Yasuo Kuroda , Akira Kawaguchi
- 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: JP2008-170585 20080630
- International Application: PCT/JP2009/002935 WO 20090626
- International Announcement: WO2010/001559 WO 20100107
- Main IPC: C09D11/02
- IPC: C09D11/02 ; C09B47/00

Abstract:
The present invention relates to a porphyrazine coloring matter represented by the following formula (1) or a salt thereof (wherein, the rings A to D are each independently a benzene ring or a 6-membered ring nitrogen-containing heteroaromatic ring, the number of said heteroaromatic rings is more than 0 and less than 1, E is alkylene, X is an anilino group or the like having at least one sulfo group or the like as a substituent, Y is a substituted monoalkylamino group or the like, b is 0 to 3, c is 0.1 to 3, and the sum of b and c is more than 3 and less than 4). By the present invention, a copper porphyrazine coloring matter suitable for inkjet recording which has a good hue as an cyan ink, is excellent in light fastness, ozone fastness and moisture fastness and does not cause bronze phenomenon can be provided.
Public/Granted literature
- US20110090278A1 Porphyrazine Coloring Matter, Ink Composition And Colored Product Public/Granted day:2011-04-21
Information query
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