Use of ethanol as plasticizer for preparing subcutaneous implants containing thermolabile active principles dispersed in a PLGA matrix
US8206621B2 · kind B2 · utility
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1References
17Claims
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Key dates
| Filing date | Jun 24, 2004 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Jul 26, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A plasticized polymer of PLGA employing ethanol as the plasticizing agent prepared at a temperature higher than the Tg and lower than the boiling point of ethanol can be used in subcutaneous implants containing active ingredients therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.