Patent US6521453B1 successfully refreshed from Google Patents.
US2944980A
Expired / Lapsed
US
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Process for breaking petroleum emulsions employing certain oxyalkylated glucoses
Assignee: Baker Petrolite LLC
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Filing: 1954-05-24
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Granted: 1960-07-12
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Expires: 1974-05-24
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Owen H Pettingill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:05
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO A DEMULSIFYING AGENT INCLUDING A COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF GLUCOSE, SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM GLUCOSE, ETHYLENE OXIDE AND BUTYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE, STATED IN TERMS OF INITIAL REACTANTS, LIES APPROXIMATELY WITHIN THE 5-SIDED FIGURE OF TE ACCOMPANYING DRAWING IN WHICH THE MINIMUM GLUCOSE CONTENT IS AT LEAST 1.5% AND WHICH 5-SIDED FIGURE IS IDENTIFIED BY THE FACT THAT ITS AREA LIES WITHIN THE STRAIGHT LINES CONNECTING A,B,C,D,AND H.
Claim 2
Dependent Claim
103 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARACTERIZED BY SUBJECTING THE EMULSION TO A DEMULSIFYING AGENT INCLUDING A COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF GLUCOSE, SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM GLUCOSE, ETHYLENE OXIDE AND BUTYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE, STATED IN TERMS OF INITIAL REACTANTS, LIES APPROXIMATELY WITHIN THE 5-SIDED FIGURE OF TE ACCOMPANYING DRAWING IN WHICH THE MINIMUM GLUCOSE CONTENT IS AT LEAST 1.5% AND WHICH 5-SIDED FIGURE IS IDENTIFIED BY THE FACT THAT ITS AREA LIES WITHIN THE STRAIGHT LINES CONNECTING A,B,C,D,AND H.
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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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |