ABRASION-RESISTANT FILM AND OPHTHALMIC LENS CONTAINING SAME
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Nov 7, 2013
app pub date -
May 1, 2013
filing date -
May 4, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention relates to an abrasion-resistant film comprising a transparent thermoplastic film and an abrasion-resistant composite coating, formed from a lower layer in contact with the thermoplastic film and an upper layer superimposed on the lower layer, said layers each containing a hydrolyzed epoxysilane and a hydrolyzed alkoxysilane, in different weight ratios. The present invention also relates to a multilayer optical article, preferably an ophthalmic lens, comprising a transparent substrate, an adhesive layer and the abovementioned abrasion-resistant film, and also to two processes for manufacturing such an article.
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