Supercritical fluid cleaning of banknotes and secure documents
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 4, 2017
Issued Date -
N/A
app pub date -
Feb 20, 2015
filing date -
Nov 1, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and system for cleaning a secure instrument, such as a banknote, including a substrate, visual data and a security feature, including exposing the secure instrument to a supercritical fluid at a temperature and a pressure and for a duration sufficient to clean the substrate and not compromise the security feature and the visual data, wherein to clean the substrate includes to remove one or more substances from the substrate into the supercritical fluid. The substances removed from the substrate may include contaminants, dirt, sebum and pathogens.
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