Fiber reactive water soluble 2,4,6-triamino, 3-cyano pyridine-(5) azo dyestuffs
US4033943A · kind A · utility
9Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1975 |
| Grant date | Jul 5, 1977 |
| Priority date | — |
| Expiry date | Feb 21, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/924
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Water-soluble azo dyes of the formula WHEREIN Y is a fiber-reactive group, n is 1 or 2, m is 0, 1 or 2 and the benzene rings A and B may be further substituted are disclosed. They are useful for dyeing nitrogen-containing fibers and cellulose materials and are distinguished by very bright and brilliant shades, possessing good stability, fastness to light, wet processing and fixation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.