Impregnated micro-fiber filtration unit

Details Impregnated micro-fiber filtration unit Impregnated micro-fiber filtration unit

2005-07-26

2005-07-26

Aftergut, Jeff H. (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S169000, C156S173000, C156S184000, C156S185000, C156S187000, C156S191000, C156S276000

Reexamination Certificate

active

06921448

ABSTRACT:
A blown micro-fiber filtration unit having multiple overlapping layers of fibrous material and an active material applied over said layers. The fibrous material layers being fused together.

REFERENCES:
patent: 2413551 (1946-12-01), Englund
patent: 3904798 (1975-09-01), Vogt et al.
patent: 3971373 (1976-07-01), Braun
patent: 4726901 (1988-02-01), Pall et al.
patent: 4948639 (1990-08-01), Brooker et al.
patent: 5039413 (1991-08-01), Harwood et al.
patent: 5149468 (1992-09-01), Hershelman

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