4-carbonyl-substituted coumarin compound
US5248784A · kind A · utility
2Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1992 |
| Grant date | Sep 28, 1993 |
| Priority date | — |
| Expiry date | Apr 16, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/031
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel 4-carbonyl-substituted coumarin compound which is substituted with a carbonyl group in the position-4 of a 7-alkylaminocoumarin derivative and has photosensitivity in the visible region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.