Composition having dye and conjugate of polyethyleneglycol and additive and contrast agent for photoacoustic imaging having the same
US10245329B2 · kind B2 · utility
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2References
4Claims
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Key dates
| Filing date | Sep 4, 2015 |
| Grant date | Apr 2, 2019 |
| Priority date | — |
| Expiry date | Nov 25, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K49/0032
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides contrast agents for photoacoustic imaging which exhibit high degrees of accumulation in tumor and low degrees of retention in the blood and can be administered into the blood. The contrast agents for photoacoustic imaging include a conjugate of a dye and a polyethyleneglycol represented by Formula (1), (5), (6), or (7) and an additive represented by Formula (301).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.