Invention Grant
- Patent Title: Aqueous ink, ink cartridge and ink jet recording method
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Application No.: US17092417Application Date: 2020-11-09
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Publication No.: US11702556B2Publication Date: 2023-07-18
- Inventor: Yasuaki Murai , Kuniaki Fujimoto , Saki Tasaki
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP 19204529 2019.11.12 JP 20168317 2020.10.05
- Main IPC: C09D11/328
- IPC: C09D11/328 ; C09D11/037 ; B41M5/00 ; B41J2/175 ; C09B67/22

Abstract:
Provided is an aqueous ink that excels in a hue as a yellow ink, and capable of recording an image that excels both in color developability and light fastness. The aqueous ink is an ink for inkjet, containing a first coloring material and a second coloring material. The first coloring material is a compound represented by general formula (1), and the second coloring material is a compound represented by general formula (2).
Public/Granted literature
- US20210139724A1 AQUEOUS INK, INK CARTRIDGE AND INK JET RECORDING METHOD Public/Granted day:2021-05-13
Information query
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