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US3592743A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple re-use of water

Assignee: El Paso Southern Co
•
Filing: 1968-03-26
•
Granted: 1971-07-13
•
Expires: 1988-03-26
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Abstract

Abstract ADJACENT INDUSTRIAL PLANT. THE WATER SUPPLY AND WASTE DISPOSAL PROBLEMS FOR BOTH TOWN AND PLANT ARE SOLVED SIMULTANEOUSLY. THIS INVENTION RELATES TO THE TREATMENT OF SALINE, BRACKISH OR OTHER HIGH MINERAL CONTENT WATER TO PROVIDE EFFLUENT WATERS FOR DOMESTIC AND INDUSTRIAL USAGE AND TO THE TREATMENT OF THE DOMESTIC AND INDUSTRAIL WASTE WATER FOR MULTIPLE REUSE SO AS TO SOLVE BOTH WATER SUPPLY AND WASTE WATER POLLUTION PROBLEMS. THE INVENTION COMBINES A DEMINERALIZATION SYSTEM WITH A SYSTEM UTILIZING A RELATIVELY NON-VOLATILE FLUIDIZING LIQUID AND CAPABLE OF OPERATING ON WASTE WATERS OF RELATIVELY HIGH SOLIDS CONTENT, THE LATTER SYSTEM RECEIVING HIGH MINERAL CONTNET EFFLUENT FROM THE DEMINERALIZER AS WELL AS WASTE WATERS FROM THE INDUSTRIAL AND/OR DOMESTIC SOURCES. POTABLE WATER AND LOW MINERAL CONTENT WATERS FOR INDUSTRIAL USE ARE PRODUCED AND SUBSTANTIALLY ALL WATER IS REUSED EXCEPTING THAT LOST BY EVAPORATION TO THE ATMOSPHERE OR BY USE IN IRRIGATION. THE SYSTEM IS PARTICULARLY WELL ADAPTED FOR SMALL COMMUNITIES HAVING AN

Inventors

  • 👤 Walter H Chapman
  • 👤 John F Eichelmann Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 01:51
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/048; C02F1/16; C02F11/00; C02F11/002; C02F1/42; C02F1/44; C02F1/441; C02F1/46; C02F1/469; C02F1/4693; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y10; Y10S; Y10S159/00; Y10S159/17; Y10S159/33; Y10S203/00; Y10S203/11; Y10S210/00; Y10S210/918; Y10S210/919

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) 1974-07-12 1975-01-11 1975-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-07-12 1979-01-11 1979-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-07-12 1983-01-11 1983-07-13 $7700.00 Window Closed / Lapsed

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