Compositions and methods for disinfecting contact lenses and preserving contact lens care products
US6024954A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1996 |
| Grant date | Feb 15, 2000 |
| Priority date | — |
| Expiry date | Aug 2, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L12/102
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions for disinfecting contact lenses include a liquid medium containing a chlorite component, preferably a water soluble chlorite component, in a contact lens disinfecting amount, and a polyanionic component, preferably a water soluble polyanionic component, in an amount effective to do at least one of the following: inhibit formation of protein deposit material on a contact lens immersed in the composition; reduce the toxicity of the composition to the human eye, and reduce the damage to a contact lens caused by immersing the contact lens in the composition. The composition has a viscosity of less than 50 cps at 25.degree. C., an osmolality of at least about 200 mOsmol/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.