Lens blank convenient for masking unpleasant odor and/or delivering a pleasant odor upon edging and/or surfacing, and perfume delivering lens
US6739719B2 · kind B2 · utility
0Cited by
2References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2002 |
| Grant date | May 25, 2004 |
| Priority date | — |
| Expiry date | Jun 13, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the field of reducing or eliminating unpleasant odor and/or delivering a pleasant odor upon edging and/or surfacing lenses, and more particularly ophthalmic lenses. The present invention also relates to perfume delivering ophthalmic lenses, that deliver a slight perfume pleasant for the wearer of eyeglasses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.