Contact lens packaging solutions
US12171871B2 · kind B2 · utility
0Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2021 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Jan 17, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B25/008
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a method to load a water insoluble phospholipid as nanoparticles to load into a hydrogel contact lens in autoclaving process during the hydrogel contact lens manufacturing process without an extra manufacturing step and without swelling the hydrogel contact lens with an organic solvent. The phospholipid nanoparticles loaded in hydrogel contact lens subsequently releases to the eye upon wearing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.