Method of cleaning contact lens using compositions containing polyether carboxylic acid surfactant
US4808239A · kind A · utility
11Cited by
10References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1987 |
| Grant date | Feb 28, 1989 |
| Priority date | — |
| Expiry date | May 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Nontoxic, aqueous, contact lens cleaning compositions containing a weakly anionic surfactant, and optionally also a chelating agent, urea and/or a source of hydrated protons, and methods of chemically removing protein, lipid and calcium deposits from contact lens utilizing these compositions are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.