Azo dyes and their preparation and use
US6068687A · kind A · utility
5Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1998 |
| Grant date | May 30, 2000 |
| Priority date | — |
| Expiry date | Nov 19, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B43/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Azo dyes of formula (4) ##STR1## wherein A, R.sub.4, M and m are as defined 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.