Azothiophenes and mixtures thereof
US6022957A · kind A · utility
1Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 17, 1998 |
| Grant date | Feb 8, 2000 |
| Priority date | — |
| Expiry date | Apr 17, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S534/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Azothiophene disperse dyes of Formula (1) ##STR1## in which R, R.sup.1, R.sup.2 and R.sup.3 each independently is alkyl or alkenyl and mixtures thereof with other dyes are useful for dyeing synthetic textile material or a fiber blend thereof such as secondary cellulose acetate, cellulose triacetate, polyamide, polyacrylonitrile and aromatic polyester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.