Liquid ink containing a hydantoin co-solvent
US10947401B2 · kind B2 · utility
0Cited by
7References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 17, 2016 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Feb 15, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An example of a liquid ink includes a colorant, a co-solvent, and a balance of water. The co-solvent includes a hydantoin having a general formula (I) or a general formula (II) wherein n is an integer greater than 2 and m is an integer equal to or greater than 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.