Collagen gel contact lens and method of preparation
US4260228A · kind A · utility
29Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 21, 1980 |
| Grant date | Apr 7, 1981 |
| Priority date | — |
| Expiry date | Jan 21, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/053
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved collagen gel soft contact lens is prepared from an aldehyde-crosslinked, lens-shaped collagen gel containing a water-soluble, aliphatic, monomeric, polyhydroxy compound, e.g., glucose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.