US2724697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of emulsifiers for producing soluble oil
Assignee: Sunoco Inc
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Filing: 1952-07-18
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Granted: 1955-11-22
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Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Lipkin Moses Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:12
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/08; C10M135/10; C07; C07C; C07C309/00; C07C309/01; C07C309/62; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2070/00; C10N2070/02; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
METHOD OF FORMING AN ACIDIC PARTIAL OXIDATION PRODUCT CONTAINING MAHOGANY SULFONATES AND SUITABLE FOR USE IN PREPARING SOLUBLE OIL WHICH COMPRISES TREATING A PETROLEUM OIL BOILING MAINLY ABOVE 450*F. WITH A SULFONATING AGENT UNDER SULFONATING CONDITIONS, SEPARATING SLUDGE FROM THE SULFONATED STOCK, NEUTRALIZING THE SULFONATED STOCK WITH AN ALKALINE-REACTING ALKALI METAL COMPOUND, AND TREATING THE NEUTRALIZED STOCK IN LIQUID PHASE WITH A FREEOXYGEN CONTAINING GAS UNDER CONDITIONS, INCLUDING A TEMPERATURE ABOVE 110* C., EFFECTING PARTIAL OXIDATION TO CARBOXYLIC ACIDS.
Claim 2
Dependent Claim
79 words
METHOD OF FORMING AN ACIDIC PARTIAL OXIDATION PRODUCT CONTAINING MAHOGANY SULFONATES AND SUITABLE FOR USE IN PREPARING SOLUBLE OIL WHICH COMPRISES TREATING A PETROLEUM OIL BOILING MAINLY ABOVE 450*F. WITH A SULFONATING AGENT UNDER SULFONATING CONDITIONS, SEPARATING SLUDGE FROM THE SULFONATED STOCK, NEUTRALIZING THE SULFONATED STOCK WITH AN ALKALINE-REACTING ALKALI METAL COMPOUND, AND TREATING THE NEUTRALIZED STOCK IN LIQUID PHASE WITH A FREEOXYGEN CONTAINING GAS UNDER CONDITIONS, INCLUDING A TEMPERATURE ABOVE 110* C., EFFECTING PARTIAL OXIDATION TO CARBOXYLIC ACIDS.
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) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |