Particle and contrast agent having the particle
US9610367B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Aug 23, 2011 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Jun 13, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y30/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is provided an ICG-loaded polymer nanoparticle that is dynamically stable, prevents the leakage of contained ICG and the resulting discoloration, and has a high molar absorbance coefficient. The particle contains a hydrophilic dye having a sulfonate group and a hydrophobic polymer, and the particle further contains at least one of a lipid having a positively charged region, a nicotinic acid derivative and a thiamine derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.