Spuncast compound contact lens
US5076683A · kind A · utility
27Cited by
8References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 14, 1988 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Sep 14, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2011/0033
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A reproducibly-made, wholly spuncast, non-truncated ballasted, compound surfaced soft contact lens and the method of making the same by spincasting a polymer forming monomer mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.