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US3736261A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for the production of stable water fogs using an emulsified water-evaporation retarding chemical mixture

Assignee: Applied Technology Corp
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Filing: 1969-12-12
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Granted: 1973-05-29
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Expires: 1989-12-12
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Abstract

Abstract STABLE WATER FOGS ARE MADE BY HEATING AN EMULSIFIED MIXTURE OF TWO IMMISCIBLE LIQUIDS, WATER AND A LONG-CHAIN MONOHYDRIC FATTY ALCOHOL ABOVE THE MELTING POINT OF THE FATTY ALCOHOL. THE WATER AND FATTY ALCOHOL EVAPORATE AT A RATE PROPORTIONAL TO THEIR RESPECTIVE VAPOR AT A THE TEMPERATURE TO WHICH THE MIXTURE IS HEATED. THE EMULSIFIER MAY BE AN ANIONIC, CATIONIC, OR NON-IONIC SURFACTANT OR A MIXTURE OF SUCH SURFACTANTS. ELECTROLYTES MAY ALSO SERVE AS HE EMULSIFING AGENT. PREFERABLE A BUFFER IS ADDED TO THE WATER-ALCOHOL MIXTURE IN AMOUNTS SUFFICIENT TO GIVE A PH OF 7 OR ABOVE. THE EMULSIFIED WATER-FATTY ALCOHOL MIXTURE IS HEATED BY HOT COMBUSTION GASES FROM A REMOVABLE COMBUSTION UNIT PLACED IN A CONTAINER OF WATER.

Inventors

  • 👤 E Bjornerud
  • 👤 G Keister

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 12:21
CPC Classifications
A; A01; A01G; A01G13/00; A01G13/06

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-05-28 1976-11-27 1977-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-05-28 1980-11-27 1981-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-05-28 1984-11-27 1985-05-29 $7700.00 Window Closed / Lapsed

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