3-Cyano-1,2,4-thiadiazolyl-5-czo dyestuffs
US4101541A · kind A · utility
19Cited by
9References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1976 |
| Grant date | Jul 18, 1978 |
| Priority date | — |
| Expiry date | Oct 4, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B44/107
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Azo dyestuffs, free from sulfo groups, containing a 3-cyano-1,2,4-thiadiazole diazo component are disclosed. These dyestuffs are useful in dyeing and printing synthetic fibers, for example, especially polyester fibers and polypropylene fibers which have been metal modified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.