Near-infrared dye-conjugated hyaluronic acid derivative and contrast agent for optical imaging including them
US9750827B2 · kind B2 · utility
2Cited by
7References
9Claims
0Family size
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Key dates
| Filing date | Feb 21, 2014 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Feb 21, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/61
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a compound having a high ICG content that has high accumulation property in a tumor and has a large intensity of a photoacoustic signal emitted from the tumor even when a time period elapses after administration. Specifically, provided is a hyaluronic acid derivative to which polyethylene glycol and an ICG derivative are conjugated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.