Patent US2626911A successfully refreshed from Google Patents.
US2626911A
Expired / Lapsed
US
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Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1951-05-14
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Granted: 1953-01-27
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Expires: 1971-05-14
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:16
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 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 A MONOMERIC ACIDIC FRACTIONAL ESTER OF TE FOLLOWING STRUCTURE:
Claim 2
Dependent Claim
31 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 A MONOMERIC ACIDIC FRACTIONAL ESTER OF TE FOLLOWING STRUCTURE:
References Cited (Backward Citations)
US2344980A
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US2454808A
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US2562878A
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US2552529A
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US2552528A
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US2554667A
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US2552532A
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US2552533A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |