Highly hydrous soft contact lens and a treating solution for contact lenses
US5461433A · kind A · utility
50Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 1994 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | Aug 15, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/937
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A highly hydrous soft contact lens comprising a copolymer which contains as an ingredient a monomer having constitution similar to that of phospholipid represented by the following general formula: ##STR1## n is an integer of 1-20, and, R.sub.2, R.sub.3 and R.sub.4 are the same or different groups and alkyl or hydroxyalkyl of 1-8 carbon atoms. Further, a treating solution for contact lenses which comprises a polymer containing as an ingredient the above monomer and a solvent which can dissolve the polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.