Metallized bisazo dyes, their preparation and use
US6302949A · kind A · utility
9Cited by
9References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 18, 1999 |
| Grant date | Oct 16, 2001 |
| Priority date | — |
| Expiry date | Aug 18, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B45/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Metallized bisazo dyes of general formula (IX) ##STR1## or of general formula (X) ##STR2## PA1 wherein A, R.sub.1, R.sub.2, R.sub.3, M and Met are defined in the specification are excellent dyes for dying and printing 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.