Keratoprosthetic polyurethane
US4285073A · kind A · utility
16Cited by
9References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 1980 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Feb 11, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/758
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A reaction product of methylene diisocyanate, polytetramethylene ether glycol and ethylene oxide-capped trimethylol propane. The resulting polyurethane is optically clear and suitable for use as an artificial cornea, or a permanently implantable lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.