Hydrogel polymers
US12054590B2 · kind B2 · utility
0Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2019 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Jun 23, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2312/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Hydrogel polymers for use, for example, in contact lenses, drug delivery systems and/or stimulating devices. In some embodiments, the hydrogel formulations comprise diluent(s) to improve the dehydration characteristics and mechanical properties of a hydrogel polymer formulation compared to those without diluent(s). The diluent(s) include, for example, water and hydrophilic diluent(s) such as humectants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.