US2723241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1952-08-18
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Granted: 1955-11-08
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Expires: 1972-08-18
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Shen Kwan-Ting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:49
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 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 REACTION PRODUCT OF (A) A MONOMERIC NON-RESINOUS NITROGEN-CONTAINING COMPOUND CONTAINING AT LEAST ONE ACTIVE HYDROGEN ATOM, AND (B) A PHENOLIC POLYEPOXIDE FREE FROM REACTIVE FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXYL GROUPS AND CO-GENERICALLY ASSOCIATED COMPOUNDS FORMED IN THE PREPARATION OF SAID POLYEPOXIDES; SAID EPOXIDES BEING MONOMERS AND LOW MOLAL POLYMERS NOT EXCEEDING THE TETRAMERS; SAID EPOXIDES BEING SELECTED FROM THE CLASS CONSISTING OF (A) COMPOUNDS WHERE THE PHENOLIC NUCLEI ARE DIRECTLY JOINED WITHOUT AN INTERVENING BRIDGE RADICAL, AND (B) COMPOUNDS CONTAINING A RADICAL IN WHICH TWO PHENOLIC NUCLEI ARE JOINED BY A DIVALENT RADICAL SELECTED FROM THE CLASS CONSISTING OF KETONE RESIDUES FORMED BY THE ELIMINATION OF THE KETONIC OXYGEN ATOM, AND ALDEHYDE RESIDUES OBTAINED BY THE ELIMINATION OF THE ALDEHYDE OXYGEN ATOM, THE DIVALENT RADICAL
Claim 2
Dependent Claim
158 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 REACTION PRODUCT OF (A) A MONOMERIC NON-RESINOUS NITROGEN-CONTAINING COMPOUND CONTAINING AT LEAST ONE ACTIVE HYDROGEN ATOM, AND (B) A PHENOLIC POLYEPOXIDE FREE FROM REACTIVE FUNCTIONAL GROUPS OTHER THAN EPOXY AND HYDROXYL GROUPS AND CO-GENERICALLY ASSOCIATED COMPOUNDS FORMED IN THE PREPARATION OF SAID POLYEPOXIDES; SAID EPOXIDES BEING MONOMERS AND LOW MOLAL POLYMERS NOT EXCEEDING THE TETRAMERS; SAID EPOXIDES BEING SELECTED FROM THE CLASS CONSISTING OF (A) COMPOUNDS WHERE THE PHENOLIC NUCLEI ARE DIRECTLY JOINED WITHOUT AN INTERVENING BRIDGE RADICAL, AND (B) COMPOUNDS CONTAINING A RADICAL IN WHICH TWO PHENOLIC NUCLEI ARE JOINED BY A DIVALENT RADICAL SELECTED FROM THE CLASS CONSISTING OF KETONE RESIDUES FORMED BY THE ELIMINATION OF THE KETONIC OXYGEN ATOM, AND ALDEHYDE RESIDUES OBTAINED BY THE ELIMINATION OF THE ALDEHYDE OXYGEN ATOM, THE DIVALENT RADICAL
References Cited (Backward Citations)
US2233383A
Cited
US2423643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |