Optically variable marking
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 25, 2006
Issued Date -
N/A
app pub date -
Jul 1, 2002
filing date -
Jul 2, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to an optically variable marking comprising a semiopaque substrate with a first surface that is covered with an optically variable layer that is for example a liquid crystal polymer layer or a layer comprising pearlescent pigments, and a second surface that is partially covered with a metal layer in the shape of a pattern, to methods of its preparation and to its use for decorative or security applications.
First Claim
Family
International Classification(s)
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