Compositions and methods for storing contact lenses
US5882687A · kind A · utility
47Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 10, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Jan 10, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L12/08
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Compositions for storing contact lenses include a liquid medium containing a polyanionic component, preferably a water soluble polyanionic component, in an amount effective to provide a hydration layer on the surface of said contact lens. The composition has a viscosity of less than 50 cps at 25.degree. C., an osmolality of at least about 200 mOsm/kg, and preferably a pH in the range of about 6 to about 9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.