Benz-[c,d]-indolyl compounds
US4234488A · kind A · utility
2Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1978 |
| Grant date | Nov 18, 1980 |
| Priority date | — |
| Expiry date | Dec 29, 1998 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/006
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to compounds of the formula ##STR1## wherein Z denotes OH or NR.sup.1 R.sup.2, PA1 R.sup.1 denotes hydrogen, alkyl, aralkyl, cycloalkyl or aryl, PA1 R.sup.2 denotes hydrogen or alkyl or, conjointly with R.sup.1, forms an alkylene chain. The dyestuffs are outstanding suitable for the dyeing of polyester fibres. The yellow and reddish dyeings are distinguished by good fastness to light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.