Leuco compounds, colorant compounds, and compositions containing the same
US11053392B2 · kind B2 · utility
1Cited by
2References
11Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 17, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Oct 17, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A compound of Formula (I) in which one Rp is —NH2 and the two remaining Rp are independently selected from the group consisting of —OR4 and —NR1R4. A compound of Formula (X) in which one Rp is —NH2 and the two remaining Rp are independently selected from the group consisting of —OR4 and —NR1R4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.