Invention Grant
- Patent Title: Ink set containing at least three black ink compositions
- Patent Title (中): 含有至少三种黑色油墨组合物的油墨组
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Application No.: US11589679Application Date: 2006-10-30
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Publication No.: US07669998B2Publication Date: 2010-03-02
- Inventor: Tsuyoshi Sano
- Applicant: Tsuyoshi Sano
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: Ladas and Parry LLP
- Priority: JPP.2005-315772 20051031
- Main IPC: G01D11/00
- IPC: G01D11/00
Abstract:
An ink set including at least three black ink compositions different in concentration, wherein the colorant of the black ink composition having the highest concentration is a pigment, the colorant of the black ink composition having the lowest concentration is a dye, and the colorant(s) of the black ink composition(s) for medium gradation having medium concentration between them is a pigment or dye.
Public/Granted literature
- US20070109377A1 Ink set containing at least three black ink compositions Public/Granted day:2007-05-17
Information query
