Reinforced microporous membrane
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 17, 1987
Issued Date -
N/A
app pub date -
Sep 30, 1985
filing date -
Dec 18, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reinforced laminated filtration membrane is provided. The membrane comprises: (a) a porous reinforcing web impregnated with a polymeric microporous inner membrane; and (b) at least one polymeric microporous outer membrane laminated to each side of the impregnated web, wherein the pore size of the inner membrane is greater than the pore size of the outer membranes. Preferably, the polymeric membranes are nylon.
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