Composite hollow fiber membrane
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 30, 2002
Grant Date -
N/A
app pub date -
May 31, 2000
filing date -
Oct 2, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is a composite hollow fiber membrane having a composite structure consisting of a homogeneous thin film interposed between porous substrate layers wherein the ratio of the oxygen permeation flux to the nitrogen permeation flux of the membrane is not less than 1.1 and wherein, after the membrane has been immersed in chemical liquids according to JIS K 7114, the percentage change of the ratio is within n10%. This composite hollow fiber membrane can be used to degas chemical liquids without any liquid leakage.
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