Variable felted polyurethane foams for sponges and wipes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 21, 2012
Grant Date -
Oct 22, 2009
app pub date -
Apr 21, 2008
filing date -
Apr 21, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A polyurethane foam sponge that picks up at least 80% of water in a wipe dry performance test is made by variably felting (compressing under heat and pressure) a foam sheet to a compression ratio of about 1.05 to 2.9. The resulting foam sponge has from 5% to 25% of its top and bottom surface portions modified by the variable felting, while its core portion remains substantially unmodified.
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