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US3794583A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for separating oil from an oil water mixture

Assignee: Oil Mop International Inc
•
Filing: 1972-08-28
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Granted: 1974-02-26
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Expires: 1992-08-28
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Abstract

Abstract THE PRESENT DISCLOSURE IS DIRECTED TO A METHOD AND APPARATUS FOR DEPARAING OIL FROM AN OIL AND WATER MIXTURE BY FIRST SUBJECTING THE MIXTURE TO PASSAGE TROUGH A CHAMBER CONTAINING AN OIL MOP STRUCTURE MADE FROM FIBRILLATED STRIP OF POLYPROPYLENE SECURED TO A POLYPROPYLENE LINE SO THAT THE OIL WILL BE ATTACHED BY THE POLYPROPYLENE STRIPS AND THE WATER WILL PASS TROUGH THE MOP STRUCTURE AND WILL THEREAFTER BE SUBJECTED TO PASSAGE TRUGH A FABRIC MEMBRANE HAVING A TWO PERCENT FLUOROCARBON SOLUTION IMPREGNATING THE FABRIC WHICH WILL PERMIT PASSAGE OF THE WATER THROUGH THE MEMBRANE REJECTING THE OIL AND PERMITTING THE WATER TO PASS ON AND BE DRAWN OFF SEPARATELY FRM THE OIL WHICH MAY LIKEWISE BE DRAWN SEPARATELY FROM THE CHAMBER.

Inventors

  • 👤 H Rhodes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:17
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D17/04; B01D17/045; B01D17/08; B01D17/085; Y; Y10; Y10S; Y10S210/00; Y10S210/05

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) 1977-02-25 1977-08-27 1978-02-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-25 1981-08-27 1982-02-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-25 1985-08-27 1986-02-26 $7700.00 Window Closed / Lapsed

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