Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate
2005-02-08
2005-02-08
Cintins, Ivars C. (Department: 1724)
Liquid purification or separation
Processes
Ion exchange or selective sorption
C210S675000, C210S678000, C210S795000
Reexamination Certificate
active
06852232
ABSTRACT:
A method of coacting a fluid with a media, such as granular particles. The media is moved to an upper portion in an upright media container, and held there during a treatment cycle in which the fluid is coacted with the media. When the media requires regeneration, the media is allowed to fall to a lower portion of the media container where a regeneration fluid is passed through the media.
REFERENCES:
patent: 1671864 (1928-05-01), Higgins
patent: 3415382 (1968-12-01), Martin
patent: 3458436 (1969-07-01), Martinola et al.
patent: 3568833 (1971-03-01), Ritzen
patent: 4019985 (1977-04-01), Fuller et al.
patent: 4021339 (1977-05-01), Foody
patent: 4643836 (1987-02-01), Schmid
“Precision Glass-Bed Filter”, product brochure (8 pages).
“Glass-Bed Precision Fi.lters”, product brochure, 1976 (12 pages).
Chauza Roger N.
Chauza & Handley LLP
Cintins Ivars C.
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