Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Transparent
Reexamination Certificate
2006-12-26
2006-12-26
Barry, Chester T. (Department: 1724)
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Transparent
C210S095000, C210S086000, C210S097000, C210S104000, C210S188000, C210S263000, C210S664000
Reexamination Certificate
active
07153416
ABSTRACT:
A method and related apparatus for monitoring and eliminating gas build-up in an anion exchange column comprised of an anion exchange material placed within a vessel and a liquid layer comprising water contaminated by at least antimony passing through said vessel, which method comprises maintaining said anion exchange material within said liquid layer by allowing gases produced by a reaction of said liquid layer with said anion exchange material to be released from said anion exchange vessel though a valve or other gas release mechanism.
REFERENCES:
patent: 4203441 (1980-05-01), Theeuwes
patent: 6527958 (2003-03-01), Carli et al.
patent: 2005/0175760 (2005-08-01), Chung et al.
patent: 11216356 (1999-08-01), None
Buarque de Macedo Pedro M.
Penafiel Luis M.
Amster Rothstein & Ebenstein LLP
Barry Chester T.
Buarque de Macedo Pedro M.
Litovitz (deceased) Theodore Aaron
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