Process for dyeing paper with disazo dyes
US5487761A · kind A · utility
2Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 20, 1994 |
| Grant date | Jan 30, 1996 |
| Priority date | — |
| Expiry date | Apr 20, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B31/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The dyestuffs of the formula ##STR1## in which A, R.sub.1, M and n are as defined in claim 1, are suitable for dyeing paper with good light-fastness.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.