Bisazo dyes and their preparation and use
US5969115A · kind A · utility
2Cited by
8References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 1998 |
| Grant date | Oct 19, 1999 |
| Priority date | — |
| Expiry date | Oct 1, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B31/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Bisazo dyes of formula (IX) ##STR1## and of formula (X) ##STR2## wherein A, R.sub.4, M and n 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.