US2914484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking emulsions of the oil-in-water class
Assignee: Baker Petrolite LLC
•
Filing: 1957-03-04
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Granted: 1959-11-24
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Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Louis T Monson
- 👤 Fred W Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:05
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 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% CHARATERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A REAGENT WHICH INCLUDES A HIGH-MOLAL NON-IONIC SURFACTANT WHICH IS AN OXYALKYLATED DERIVATIVE PRODUCED BY REACTION BETWEEN A 2,4,6-C4-TO-C14-HYDROCARBONSUBSTITUTED MONOCYCLIC PHENOL-C1-TO-C8-ALDEHYDE RESIN AND AN ALKYLENE OXIDE HAVING FROM 2 TO 4 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCID AND METHYLGLYCID, THE MOLECULAR WEIGHT OF THE OXYALKYLATED DERIVATIVE BEING WITHIN THE RANGE OF ABOUT 1,000 TO ABOUT 10,000.
Claim 2
Dependent Claim
100 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% CHARATERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A REAGENT WHICH INCLUDES A HIGH-MOLAL NON-IONIC SURFACTANT WHICH IS AN OXYALKYLATED DERIVATIVE PRODUCED BY REACTION BETWEEN A 2,4,6-C4-TO-C14-HYDROCARBONSUBSTITUTED MONOCYCLIC PHENOL-C1-TO-C8-ALDEHYDE RESIN AND AN ALKYLENE OXIDE HAVING FROM 2 TO 4 CARBON ATOMS SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCID AND METHYLGLYCID, 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
US2454541A
Cited
US2514399A
Cited
FR1009208A
Cited
US2568744A
Cited
US2759607A
Cited
US2626937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |