US2888403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking emulsions employing lactone-derived compounds of certain oxyalkylated resins
Assignee: Baker Petrolite LLC
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Filing: 1953-10-05
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Granted: 1959-05-26
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Expires: 1973-10-05
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Shen Kwan-Ting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:08
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE PROCESS OF BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING SYNTHETIC HYDROPHILE PRODUCTS OBTAINED BY THE CHEMICAL MODIFICATION OF (AA) LHYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE PRODUCTS BEING OXYALKYLATION PRODUCTS OF (A) AN ALPHA-ETA ALKYLENE OXIDE HAVING NOT MORE THAN 4 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE AND METHYLGLYCIDE; AND (B) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT SOLUBLE, WATER-INSOLUBLE PHENOL-ALDEHYDE-RESSIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFLUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER 8 CARBON ATOMS AND REACTIVE TOWARD SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OF THE FORMULA
Claim 2
Dependent Claim
122 words
THE PROCESS OF BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING SYNTHETIC HYDROPHILE PRODUCTS OBTAINED BY THE CHEMICAL MODIFICATION OF (AA) LHYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE PRODUCTS BEING OXYALKYLATION PRODUCTS OF (A) AN ALPHA-ETA ALKYLENE OXIDE HAVING NOT MORE THAN 4 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE AND METHYLGLYCIDE; AND (B) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT SOLUBLE, WATER-INSOLUBLE PHENOL-ALDEHYDE-RESSIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFLUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER 8 CARBON ATOMS AND REACTIVE TOWARD SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OF THE FORMULA
References Cited (Backward Citations)
US2454544A
Cited
US2414729A
Cited
US2430002A
Cited
US2518668A
Cited
US2615853A
Cited
US2507910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |