Reversible gel-forming compositions for controlled delivery of bioactive substances
US8642502B2 · kind B2 · utility
1Cited by
1References
21Claims
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Key dates
| Filing date | Oct 10, 2011 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Aug 8, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/24
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates biomedically useful compositions containing bioactive agents and biodegradable carbohydrate polyethers that exhibit reverse thermogelation properties in aqueous media. The microstructure structure and properties of the carbohydrate polyethers can be conveniently controlled with respect to functionality, molecular weight, polydispersity index, microstructure and tertiary structure, they can be customized for use in a variety of biomedical applications including drug delivery, cell delivery, surgical procedures and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.