Polymer system for ophthalmic drug delivery
US12403197B2 · kind B2 · utility
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Key dates
| Filing date | Dec 9, 2021 |
| Grant date | Sep 2, 2025 |
| Priority date | — |
| Expiry date | Mar 28, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2433/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This application relates to a thermo-gel polymer system useful for ophthalmic drug delivery. The thermo-gel comprises a polymer and chitosan, and the polymer comprises monomers of N-isopropylacrylamide (NIPAAm), acrylic acid (AA) and at least one hydrophobic monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.