Packaging solutions
US8490782B2 · kind B2 · utility
3Cited by
21References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2007 |
| Grant date | Jul 23, 2013 |
| Priority date | — |
| Expiry date | Jul 29, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F220/282
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A packaging system for the storage of an ionic, hydrogel contact lens employs an aqueous packaging solution including a phosphorylcholine polymer. Preferably, the solution has an osmolality of at least about 200 mOsm/kg, a pH of about 6 to about 8 and is heat sterilized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.