Photodynamic diagnostic agent and photobleaching inhibitor
US9517267B2 · kind B2 · utility
0Cited by
3References
12Claims
0Family size
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Inventors
Key dates
| Filing date | Jan 22, 2013 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Mar 27, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C69/84
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The objects of the present invention are to inhibit photobleaching of porphyrins as well as to provide a superior photodynamic diagnostic agent and a photodynamic diagnostic method employing the photobleaching inhibitor for porphyrins. The present invention provides a photodynamic diagnostic agent containing a precursor of porphyrins and a gallic acid. The present invention also provides a photobleaching inhibitor for porphyrins containing a gallic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.