Scratch-off material layer applied on optical recording media
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 31, 2005
Grant Date -
Dec 4, 2003
app pub date -
Jul 29, 2002
filing date -
May 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An optical recording medium having a scratch-off material layer includes a transparent substrate, a reflective layer formed on the transparent substrate, a protective layer formed on the reflective layer, information formed on a surface of the protective layer, and at least one opaque scratch-off material layer formed on the protective layer for disguising the information.
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