Block copolymer micelle composition having an enhanced drug-loading capacity and sustained release
US7744919B2 · kind B2 · utility
2Cited by
1References
6Claims
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Key dates
| Filing date | May 30, 2003 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Sep 8, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1075
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A micelle drug composition having an enhanced drug-loading capacity and improved sustained-release characteristics comprising an amphiphilic block copolymer including at least one hydrophilic blocks and at least one hydrophobic blocks. The block copolymer comprises functional groups selected from the group consisting of carboxyl, amine, hydroxyl, amide, thiol and sulfonic acid groups, in the hydrophobic block chain of the copolymer, and the average number of the functional groups range from 1.1 to 30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.