FILTRATION MEMBRANE WITH TUBULAR SUPPORT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 6, 2010
app pub date -
Nov 3, 2008
filing date -
Nov 3, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A membrane generally comprises a tubular support, and a polymeric membrane film on the support. The polymeric membrane film comprises three zones cast simultaneously from a single dope. The three zones include an inner zone on the support comprising macro-void pores, an intermediate zone on the inner zone comprising macro-void pores smaller than the macro-void pores of the inner zone, and a skin on the intermediate zone comprising pores of less than 1 micron.
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