Anthraquinone dyes containing a fluorosulphonyl group and use thereof
US5759211A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 12, 1996 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Aug 12, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a compound of Formula (1): ##STR1## wherein: Ring A and Ring D are optionally substituted and at least one of Ring A or Ring D carries at least one --SO.sub.2 F group PA0 except for PA1 2-(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino!ethanesulphonylfluoride, PA1 2-(9,10-dihydro-9,10-dioxo-2-anthracenyl)amino!ethanesulphonylfluoride, PA1 2,2'-(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino!bisethane sulphonylfluoride, PA1 2,2'-(9,10-dihydro-9,10-dioxo-1,5-anthracenediyl)diimino!bisethane sulphonylfluoride, PA1 2,2'-(9,10-dihydro-2-methoxy-9,10-dioxo-1,4-anthracenediyl)diimino) bisethanesulphonylfluoride, PA1 2-(4-(benzoylamino)-9,10-dihydro-9,10-dioxo-1-anthracenyl!amino!ethanesulp honylfluoride, PA1 2-(9,10-dihydro-4-(methylamino)-9,10-dioxo-1-anthracenyl!amino!ethane sulphonylfluoride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.