US2792367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions employing certain oxyalkylation products derived in turn from reactive nitrogen containing compounds
Assignee: Baker Petrolite LLC
•
Filing: 1953-10-05
•
Granted: 1957-05-14
•
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
2026-11-09 13:41
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING SYNTHETIC HYDROPHILE PRODUCTS, SAID SYNTHETIC HYDROPHILE PRODUCTS BEING THE END PRODUCT OF A TWO-STEP MANUFACTURING METHOD CONSISTING OF FIRST REACTING (A) A MONOMERIC ORGAINC NON-RESINOUS NITROGEN-CONTAINING COMPOUND HAVING AT LEAST ONE NITROGEN ATOM SELECTED FROM THE CLASS CONSISTING OF AMINO AND AMIDO NITROGEN ATOMS AND HAVING AT LEAST ONE REACTIVE HYDROGEN ATOM, AND (B) NONARYL HYDROPHILE POLYEPOXIDES CHARACTERIZED BY THE FACT THAT THE PERCURSORY POLYHYDRIC ALCOHOL, IN WHICH AN OXYGEN-LINKED HYDROGEN ATOM IS REPLACED SUBSEQUENTLY BY THE RADICAL
Claim 2
Dependent Claim
100 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING SYNTHETIC HYDROPHILE PRODUCTS, SAID SYNTHETIC HYDROPHILE PRODUCTS BEING THE END PRODUCT OF A TWO-STEP MANUFACTURING METHOD CONSISTING OF FIRST REACTING (A) A MONOMERIC ORGAINC NON-RESINOUS NITROGEN-CONTAINING COMPOUND HAVING AT LEAST ONE NITROGEN ATOM SELECTED FROM THE CLASS CONSISTING OF AMINO AND AMIDO NITROGEN ATOMS AND HAVING AT LEAST ONE REACTIVE HYDROGEN ATOM, AND (B) NONARYL HYDROPHILE POLYEPOXIDES CHARACTERIZED BY THE FACT THAT THE PERCURSORY POLYHYDRIC ALCOHOL, IN WHICH AN OXYGEN-LINKED HYDROGEN ATOM IS REPLACED SUBSEQUENTLY BY THE RADICAL
References Cited (Backward Citations)
US2233383A
Cited
US2281419A
Cited
US2602819A
Cited
US2629740A
Cited
US2615853A
Cited
US2507910A
Cited
US2552531A
Cited
US2552534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |