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US3813333A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of treating fluid in a continuous manner

Assignee: Hitachi Zosen Inova Steinmueller GmbH
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Filing: 1972-04-19
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Granted: 1974-05-28
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Expires: 1992-04-19
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Abstract

Abstract DISCHARGED FINISHED FLUID STREAM IS SUBSEQUENTLY DIVIDED INTO AT LEAST TWO BRANCH STREAMS, AT LEAST ONE OF WHICH CONVEYS THE REGENERATED ION EXCHANGE PARTICLES TO THE BED, AND THE BED IN ITS ENTIRETY, IN VIEW OF THE PRESSURE DIFFERENTIAL IN THE NON-TREATING BED SECTION AND IN THE TREATING BED SECTION, IS MOVED AGAINST THE DIRECTION OF FLOW OF THE FLUID TO BE TREATED. A METHOD OF CONTINUOUSLY TREATING FLUIDS, ACCORDING TO WHICH THE FLUID TO BE TREATED, AFTER ENTERING THE ION EXCHANGE BED, IS SUBDIVIDED INTO AT LEAST TWO BRANCH STREAMS, AT LEAST ONE OF WHICH SERVES TO CARRY OFF USED UP ION EXCHANGE PARTICLES, WHILE THE OTHER IS TREATED IN THE ION EXCHANGE BED AND, AFTER REACHING THE MAXIMUM APPROXIMATION OF THE DESIRED PROPERTIES, ENTERS INTO A BED SECTION COMPRISED EXCLUSIVELY OF GENERATED ION EXCHANGE PARTICLES. FROM HERE THE BRANCH STREAM IS WITHDRAWN, AND THE

Inventors

  • 👤 G Plura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 20:07
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/10

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-05-27 1977-11-26 1978-05-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-05-27 1981-11-26 1982-05-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-05-27 1985-11-26 1986-05-28 $7700.00 Window Closed / Lapsed

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