Ink, ink cartridge, and ink jet recording method
US10125283B2 · kind B2 · utility
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11References
12Claims
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Key dates
| Filing date | Nov 30, 2016 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Nov 30, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/324
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous ink containing a self-dispersible pigment for use in an ink jet recording method using a recording head that ejects an ink by an action of thermal energy. The aqueous ink contains a compound represented by General Formula (I): where in General Formula (I) R1's are independently of each other, a sulfonic acid group, a carboxylic acid group, a phosphoric acid group or a phosphonic acid group, R2 is a hydrogen atom or an alkyl group, and n is an integer of 1 to 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.