Diaminofluorescein derivatives
US7618997B2 · kind B2 · utility
2Cited by
5References
16Claims
0Family size
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Inventors
Key dates
| Filing date | May 8, 2006 |
| Grant date | Nov 17, 2009 |
| Priority date | — |
| Expiry date | May 8, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/177692
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A compound represented by the following formula (I):wherein R1 and R2 represent amino groups that substitute at adjacent positions on the phenyl ring, provided that either of R1 and R2 represents a mono(C1-6 alkyl)-substituted amino group and the other represents an unsubstituted amino group; and R3 and R4 independently represent hydrogen atom or an acyl group, and an agent for measurement of nitrogen monoxide which comprises said compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.