US2574545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1950-07-11
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Granted: 1951-11-13
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Expires: 1970-07-11
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:10
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARCTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFER INCLUDING HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING XYLENE-SOLUBLE; FURTHERMORE, SAID HYDROPHILE SYNTHETIC PRODUCTS BEING OXYALKYLATION DERIVATIVES OBTAINED BY REACTING (A) POLYMERIZED PENTAALLYLSUCROSE WITH (B) AN ALKYLENE OXIDE SELECTED FROM THE CLASS CONSISTING OF PROPYLENE OXIDE ALONE AND PROPYLENE OXIDE IN COMBINATION WITH ETHYLENE OXIDE, WITH THE PROVISO THAT POLYMERIZED ALLYLSUCROSE DOES NOT CONTRIBUTE MORE THAN 15% OF THE FINAL WEIGHT OF THE OXYALKYLATION DERIVATIVE BASED ON THE ASSUMPTION OF COMPLETENESS OF REACTION AND ON AN AVERAGE STATISTICAL BASIS; AND WITH THE FINAL PROVISO THAT THE ULTIMATE COMPOSITION COMES WITHIN APPROXIMATELY THE TRAPEZOIDAL AREA OF POINTS A, B, C, D, IN THE ACCOMPANYING FIGURE 2 OF THE HERETO ATTACHED DRAWING.
Claim 2
Dependent Claim
132 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARCTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFER INCLUDING HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING XYLENE-SOLUBLE; FURTHERMORE, SAID HYDROPHILE SYNTHETIC PRODUCTS BEING OXYALKYLATION DERIVATIVES OBTAINED BY REACTING (A) POLYMERIZED PENTAALLYLSUCROSE WITH (B) AN ALKYLENE OXIDE SELECTED FROM THE CLASS CONSISTING OF PROPYLENE OXIDE ALONE AND PROPYLENE OXIDE IN COMBINATION WITH ETHYLENE OXIDE, WITH THE PROVISO THAT POLYMERIZED ALLYLSUCROSE DOES NOT CONTRIBUTE MORE THAN 15% OF THE FINAL WEIGHT OF THE OXYALKYLATION DERIVATIVE BASED ON THE ASSUMPTION OF COMPLETENESS OF REACTION AND ON AN AVERAGE STATISTICAL BASIS; AND WITH THE FINAL PROVISO THAT THE ULTIMATE COMPOSITION COMES WITHIN APPROXIMATELY THE TRAPEZOIDAL AREA OF POINTS A, B, C, D, IN THE ACCOMPANYING FIGURE 2 OF THE HERETO ATTACHED DRAWING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |