Monoazo dyes and their preparation and use
US6709502B2 · kind B2 · utility
3Cited by
16References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2001 |
| Grant date | Mar 23, 2004 |
| Priority date | — |
| Expiry date | Dec 29, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/328
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Monoazo dyes of formulas (IV) wherein R1, R2, R3, m, n and M are as described in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and especially for the preparation of inks for ink jet printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.