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
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 10:03
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)
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Cited
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Cited
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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 |