Liquid purification or separation – Filter – Material
Reexamination Certificate
2005-02-08
2005-02-08
Popovics, Robert James (Department: 1724)
Liquid purification or separation
Filter
Material
C210S503000, C210S505000, C428S315500, C428S315700, C442S334000, C442S414000
Reexamination Certificate
active
06852224
ABSTRACT:
Disclosed is a filter comprised of activated carbon fibers, wherein said filter has a Virus Removal Index (hereafter “VRI”) of at least about 99%, as measured in accordance with the test method described in the specification. The filter may comprise unbound fibers, or the fibers may be bound with a binder to form a composite of fibers. Also disclosed is a method of removing viruses from a liquid, the method comprising contacting the liquid with a filter comprising activated carbon fibers wherein said filter has a VRI of at least about 99%. Also described is an article of manufacture comprising: (a) a filter comprising activated carbon fibers, wherein said filter has a VRI of at least about 99%; and (b) instructions which inform a user that the filter may be used to remove viruses from a liquid.
REFERENCES:
patent: 5972253 (1999-10-01), Kimber
patent: 6030698 (2000-02-01), Burchell et al.
patent: 20030136728 (2003-07-01), Jagtoyen et al.
Collias Dimitris I.
Derbyshire Rosemary Anne Alexander
Fishter Steve G.
Jagtoyen Marit
Tremblay Mario E.
Frost Brown Todd LLC
Popovics Robert James
The Procter & Gamble & Company
The University of Kentucky Research Foundation
LandOfFree
Carbon fiber filters does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Carbon fiber filters, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Carbon fiber filters will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3467107