Azo disperse dye mixture giving bright blue shades on polyester textiles
US4960434A · kind A · utility
1Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1989 |
| Grant date | Oct 2, 1990 |
| Priority date | — |
| Expiry date | Jun 7, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dye composition suitable for the coloration of synthetic textile materials, especially linear polyester, by conventional disperse dyeing and printing processes comprising a mixture of a dye of the formula: ##STR1## and a dye of the formula: ##STR2## wherein X and X' are each independently selected from Br, Cl and I; PA0 Q and Q' are independently C.sub.1-4 -alkyl; PA0 T is C.sub.1-4 -alkyl; PA0 R.sup.1 and R.sup.2 are each independently C.sub.1-4 -alkyl or C.sub.2-4 -alkenyl; and PA0 T.sup.1 and T.sup.2 are each independently C.sub.1-4 -alkyl or C.sub.2-4 -alkenyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.