Benzodipyrrole dyestuffs
US4122087A · kind A · utility
10Cited by
0References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1978 |
| Grant date | Oct 24, 1978 |
| Priority date | — |
| Expiry date | Mar 15, 1998 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Substituted 2,6-dioxo-2,6-dihydrobenzo[1:2-b, 4:5-b']difurans or -dipyrroles and processes for their manufacture. The compounds are dyestuffs which are particularly useful in the form of aqueous dispersions for application to polyester textile materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.