Optical filter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 26, 1988
Issued Date -
N/A
app pub date -
Nov 4, 1986
filing date -
Jun 5, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Polyol(allyl carbonate) monomer, e.g., diethylene glycol bis(allyl carbonate), containing 1,4-dihydroxy anthraquinone in amounts sufficient to selectively absorb at least 94 percent of the visible and ultraviolet light segments of the electromagnetic spectrum below 530 nanometers is described. Also described are ophthalmic articles prepared by curing the monomer.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully