Color-changing materials and multiple component materials having a color-changing composition
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 25, 2012
Grant Date -
Jan 20, 2011
app pub date -
Jul 15, 2009
filing date -
Jul 15, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a color-changing material and to a multiple-component material that includes a color-changing composition. The color-changing materials and color-changing compositions are capable of changing color in order to indicate a change in condition, such as a change in pH. The color-changing materials and color-changing compositions include a hydrogel-forming composition, a charged colorant and a pH adjuster. The hydrogel-forming composition includes at least one charged species.
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