Controlled release of active agents utilizing repeat sequence protein polymers
US7456147B2 · kind B2 · utility
10Cited by
16References
31Claims
0Family size
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Key dates
| Filing date | May 14, 2004 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | May 14, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/654
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Systems are provided for the controlled release delivery of active agents through the use of repeat sequence protein polymers. The systems may exist as matrices, gels, hydrogels, films, emulsions or microparticles and are particularly useful for incorporating active agents into personal care product compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.