Thermal irreversible gel corneal contact lens formed in situ
US5847023A · kind A · utility
32Cited by
17References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1995 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Nov 3, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S525/937
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Balanced pH, thermo-irreversible gels comprising a polyoxyalkylene compound and an ionic polysaccharide are ideal materials for the formation of a protective contact lens over the cornea of the eye of a mammal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.