Naphthoquinone derivative
US5977389A · kind A · utility
4Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1998 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Mar 3, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0696
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a naphthoquinone derivative represented by the general formula (1): ##STR1## wherein R.sup.1 represents an aryl group which may have a substituent; and R.sup.2 represents an alkylene group which may have a substituent, an arylene group which may have a substituent, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.