Light filters comprising a naturally occurring chromophore and derivatives thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 31, 2013
Grant Date -
Jul 7, 2011
app pub date -
Jan 28, 2011
filing date -
Mar 5, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A composition comprising a polymer backbone and at least one side group, wherein the side group comprises a benzene ring-based chromophore comprising a ketone at the 1-position, a substituted or unsubstituted amino group at the 2-position, and an oxygen atom at the 3-position of the benzene ring. The chromophore is a kynurenine-based compound. Methods of making and using the composition are also provided. The composition can be used in an ophthalmic lens or device for protecting the retina by blocking UV rays and filtering violet rays.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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