Method for making embedded hydrogel contact lenses
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
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Jan 14, 2025
Grant Date -
Sep 29, 2022
app pub date -
Mar 23, 2022
filing date -
Mar 23, 2022
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a method for producing embedded hydrogel contact lenses each having a magnetized insert that comprises magnetic particles and is centrally embedded in the bulk hydrogel material of the embedded hydrogel contact lens. During molding, a magnetized insert can be centered and held in position in a lens mold by using a magnet placed below the lens mold. The invention also relates to an embedded hydrogel contact lens produced from a method of the invention.
First Claim
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International Classification(s)
- 2022 Application Filing Year
- C08J Class
- 2001 Applications Filed
- 320 Patents Issued To-Date
- 16 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C08J Class
- 0 % this patent is cited more than
- < 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jul 14, 2028 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jul 14, 2032 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jul 14, 2036 |