Low yellow index polymer compositions, polymerizable compositions and lenses using said compositions
US5702825A · kind A · utility
82Cited by
3References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1996 |
| Grant date | Dec 30, 1997 |
| Priority date | — |
| Expiry date | Aug 12, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a new polymer compositions for use in the manufacture of ophthalmic lenses, to their use in ophthalmology and to apparatus using these lenses, such as eyepieces and film/video camera optics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.