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US3715306A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for separating water from pollutants in water

Assignee: Individual
•
Filing: 1971-01-04
•
Granted: 1973-02-06
•
Expires: 1991-01-04
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Abstract

Abstract THE INDUSTRIAL PROCESSES PRODUCE MANY WASTE PRODUCTS. THESE WASTE PRODUCTS ARE OFTEN DISCHARGED INTO WATER AND ARE CARRIED AWAY AS POLLUTANTS IN THE WATER. THESE POLLUTANTS MAY BE HARMFUL TO THE WATER SUPPLIES AND THE ANIMAL LIFE AND PLANT LIFE HAVING IN THE WATER. I HAVE DEVELOPED A METHOD USING A HETEROCYCLIC COMPOUND CONTAINING NITROGEN AND A SOLVENT SELECTED FROM THE GROUP CONSISTING OF AN AROMATIC HALOGEN COMPOUND AND AN ALIPHATIC HALOGEN COMPOUND TO EXTRACT THE POLLUTANT FROM AN AQUEOUS MIXTURE OF WATER AND POLLUTANTS. THIS METHOD PRODUCES A WATER WHICH IS SUBSTANTIALLY FREE OF POLLUTANTS AND MAY BE DISCHARGED INTO A STREAM, A LAKE OF FRESH WATER, OR A BODY OF SOFT WATER, WITHOUT FEAR OF HARMING THE PLANT LIFE AND THE ANIMAL LIFE IN THE BODY OF WATER. FURTHER, WITH THIS METHOD, THE POLLUTANTS MAY BE REUSED IN THE INDUSTRIAL PROCESS OR MAY BE USED AS A PRESERVATIVE OR AS AN INSECTICIDE OR MAY BE COLLECTED AND SDISCHARGED IN A SPECIAL REFUSE REGION. D R A W I N G

Inventors

  • 👤 M Mar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 06:54
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/26

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) 1976-02-06 1976-08-07 1977-02-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-02-06 1980-08-07 1981-02-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-02-06 1984-08-07 1985-02-06 $7700.00 Window Closed / Lapsed

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