Composite membrane

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C429S006000, C204S296000

Reexamination Certificate

active

07128993

ABSTRACT:
The present invention relates to a composite membrane comprising at least one ion-conducting polymer and a network of randomly orientated individual fibers, wherein there is a continuous region of the membrane at one or both of the membrane faces wherein the density of fibers is lower than the density of fibers in the membrane as a whole. The invention further relates to processes for manufacturing membranes according to the invention, and membrane electrode assemblies comprising membranes according to the invention.

REFERENCES:
patent: 3282875 (1966-11-01), Connolly et al.
patent: 4329435 (1982-05-01), Kimoto et al.
patent: 4330654 (1982-05-01), Ezzell et al.
patent: 4358545 (1982-11-01), Ezzell et al.
patent: 4417969 (1983-11-01), Ezzell et al.
patent: 4433082 (1984-02-01), Grot
patent: 4610762 (1986-09-01), Birdwell
patent: 4940525 (1990-07-01), Ezzell et al.
patent: 5094995 (1992-03-01), Butt et al.
patent: 5438082 (1995-08-01), Helmer-Metzmann et al.
patent: 5468574 (1995-11-01), Ehrenberg et al.
patent: 5595676 (1997-01-01), Barnes et al.
patent: 5599639 (1997-02-01), Sansone et al.
patent: 6042958 (2000-03-01), Denton et al.
patent: 6689501 (2004-02-01), Stone et al.
patent: 2004/0208993 (2004-10-01), Fongalland et al.
patent: 2098238 (1993-12-01), None
patent: 0 331 321 (1989-09-01), None
patent: 0 345 964 (1989-12-01), None
patent: 0 450 849 (1991-10-01), None
patent: 0 875 524 (1993-11-01), None
patent: 0 838 872 (1998-04-01), None
patent: WO-94/16002 (1994-07-01), None
patent: WO-95/08581 (1995-03-01), None
patent: WO-97/25369 (1997-07-01), None
patent: WO-00/23510 (2000-04-01), None
patent: WO-00/24075 (2000-04-01), None
patent: WO-00/35037 (2000-06-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Composite membrane does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Composite membrane, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Composite membrane will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3716365

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.