Ocular insert composition of a semi-crystalline or crystalline pharmaceutically active agent
US11224602B2 · kind B2 · utility
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164References
10Claims
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Assignee
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Key dates
| Filing date | Jan 9, 2019 |
| Grant date | Jan 18, 2022 |
| Priority date | — |
| Expiry date | Jan 9, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/34
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure includes compositions of a semi-crystalline or crystalline pharmaceutically active agent dispersed in a polymer matrix, in which the active agent is less degraded and, therefore, has lower level of impurities. The present disclosure further includes a method of reducing or preventing physical and chemical degradation of a semi-crystalline or crystalline active agent pharmaceutically active agent dispersed in a polymer matrix. A method of preparation of the composition is also included in this disclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.