US2549435A
Expired / Lapsed
US
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Processes for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1949-08-11
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Granted: 1951-04-17
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Expires: 1969-08-11
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Arthur F Wirtel
- 👤 Owen H Pettingill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMSULSIFIER INCLUDING AT LEAST ONE COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF BETA-TERPINEOL; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETA-TERPINEOL, ETHYLENE OXIDE AND PROPYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATE IN TERMS OF INITIAL REACTANTS LIES APPROXIMATELY WITHIN THE TRAPEZOIDAL AREA DEFINED APPROXIMATELY IN THE ACCOMPANYING DRAWING BY POINTS 8,9,10 AND 11.
Claim 2
Dependent Claim
84 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMSULSIFIER INCLUDING AT LEAST ONE COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF BETA-TERPINEOL; SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM BETA-TERPINEOL, ETHYLENE OXIDE AND PROPYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE STATE IN TERMS OF INITIAL REACTANTS LIES APPROXIMATELY WITHIN THE TRAPEZOIDAL AREA DEFINED APPROXIMATELY IN THE ACCOMPANYING DRAWING BY POINTS 8,9,10 AND 11.
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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) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |