Color temperature indicator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 30, 2004
Grant Date -
May 9, 2002
app pub date -
Jun 19, 2001
filing date -
Jun 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to temperature indicating compositions which display temperature dependent color changes. The invention encompasses temperature indicating compositions, materials, devices and methods of their use. The temperature indicating compositions of the invention are clays that can be used to detect temperature and temperature changes at sub-ambient and particularly sub-zero .degree. C. temperatures. Temperature of a selected environment can be monitored by placing a temperature-sensitive composition comprising the clay material of this invention in contact with that environment and monitoring the color of the composition.
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