Mixtures of monoazopyridone dyes
US5935274A · kind A · utility
1Cited by
3References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 18, 1998 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Mar 18, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Dye mixtures comprising: PA1 A) a dye of the formula ##STR1## in which R.sub.1 is C.sub.1 -C.sub.4 alkyl, PA2 R.sub.2 is the radical (CH.sub.2).sub.n O--R.sub.5, PA2 R.sub.5, independently of R.sub.1, is C.sub.1 -C.sub.4 alkyl and PA2 n is the number 1, 2 or 3 and PA1 B) a dye of the formula ##STR2## in which R.sub.3 and R.sub.4 independently of one another are C.sub.1 -C.sub.4 alkyl, which are suitable for dyeing or printing textile fiber materials and give dyeings with good allround properties, are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.