Coated lenses
US4783361A · kind A · utility
42Cited by
11References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1988 |
| Grant date | Nov 8, 1988 |
| Priority date | — |
| Expiry date | Feb 24, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24983
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Coated lenses are provided that are suitable for optical and ophthalmic applications that include a coating for providing wear resistance and filtering of electromagnetic radiation in the range of from ultraviolet to about 500 nanometers or higher. The coating comprises carbon and hydrogen and is preferably formed by a glow discharge deposition process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.