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US3009883A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for breaking emulsions of the oil-in-water class

Assignee: Baker Petrolite LLC
•
Filing: 1957-07-29
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Granted: 1961-11-21
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Expires: 1977-07-29
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Abstract

No abstract record available.

Inventors

  • 👤 Louis T Monson
  • 👤 Fred W Jenkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 14:46
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 117 words
A PROCESS FOR BREAKING AN EMULSION COMPRISING AN OIL DISPERSED IN A NON-OILY CONTINUOUS PHASE, IN WHICH THE DISPERSED PHASE IS NOT GREATER THAN ABOUT 20%, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A REAGENT WHICH INCLUDES A HIGH-MOLAL NON-IONIC SURFACTANT WHICH IS AN OXYALKYLATED DERIVATIVE OF AN OXYALKYLATION-SUSCEPTIBLE STARTING MATERIAL AND OF AN ALKYLENE OXIDE HAVING FROM 2 TO 4 CARBON ATOM SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE AND METHYLGLYCIDE, SAID STARTING MATERIAL HAVING IN ITS MOLECULE NO RADICAL HAVING AS MANY AS 8 CARBON ATOMS IN A SINGLE GROUP, THE MOLECULAR WEIGHT OF THE OXYALKYLATED DERIVATIVE BEING WITHIN THE RANGE OF ABOUT 1,000 TO ABOUT 10,000.
Claim 2
Dependent Claim 117 words
A PROCESS FOR BREAKING AN EMULSION COMPRISING AN OIL DISPERSED IN A NON-OILY CONTINUOUS PHASE, IN WHICH THE DISPERSED PHASE IS NOT GREATER THAN ABOUT 20%, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A REAGENT WHICH INCLUDES A HIGH-MOLAL NON-IONIC SURFACTANT WHICH IS AN OXYALKYLATED DERIVATIVE OF AN OXYALKYLATION-SUSCEPTIBLE STARTING MATERIAL AND OF AN ALKYLENE OXIDE HAVING FROM 2 TO 4 CARBON ATOM SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE AND METHYLGLYCIDE, SAID STARTING MATERIAL HAVING IN ITS MOLECULE NO RADICAL HAVING AS MANY AS 8 CARBON ATOMS IN A SINGLE GROUP, THE MOLECULAR WEIGHT OF THE OXYALKYLATED DERIVATIVE BEING WITHIN THE RANGE OF ABOUT 1,000 TO ABOUT 10,000.

References Cited (Backward Citations)

US2159313A Cited
US2454451A Cited
US2514399A Cited
US2607750A Cited
FR1009208A Cited
US2568744A Cited
US2759607A Cited
US2626937A Cited
US2881204A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-11-20 1965-05-22 1965-11-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-11-20 1969-05-22 1969-11-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-11-20 1973-05-22 1973-11-21 $7700.00 Window Closed / Lapsed

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