Patent US2944983A successfully refreshed from Google Patents.
US2944983A
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Process for breaking petroleum emulsions employing certain oxyalkylated tris (hydroxymethyl) aminomethanes
Assignee: Baker Petrolite LLC
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Filing: 1954-06-10
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Granted: 1960-07-12
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Expires: 1974-06-10
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Owen H Pettingill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:56
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/62; C08G59/64; A; A01; A01N; A01N25/00; A01N25/30; C02; C02F; C02F1/00; C02F1/24; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHRACTERIZED BY SUBJECTING THE EMULSION TO A DEMULSIFYING AGENT INCLUDING COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF TRIS(HYDROXYMETHYL) AMINOMETHANE, SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM TRIS(HYDROXYMETHYL) AMINOMETHANE, ETHYLENE OXIDE AND BUTYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE, STATED IN TERMS OF INITIAL REACTANTS, LIES APPROXMATELY WITHIN THE 5-SIDED FIGURE OF THE ACCOMPANYING DRAWING ING THE MINIMUM TRIS(HYDROXYMETHYL) AMINOMETHANE CONTENT IS AT LEAST 1,75% AND WHICH 5-
Claim 2
Dependent Claim
87 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHRACTERIZED BY SUBJECTING THE EMULSION TO A DEMULSIFYING AGENT INCLUDING COGENERIC MIXTURE OF A HOMOLOGOUS SERIES OF GLYCOL ETHERS OF TRIS(HYDROXYMETHYL) AMINOMETHANE, SAID COGENERIC MIXTURE BEING DERIVED EXCLUSIVELY FROM TRIS(HYDROXYMETHYL) AMINOMETHANE, ETHYLENE OXIDE AND BUTYLENE OXIDE IN SUCH WEIGHT PROPORTIONS SO THE AVERAGE COMPOSITION OF SAID COGENERIC MIXTURE, STATED IN TERMS OF INITIAL REACTANTS, LIES APPROXMATELY WITHIN THE 5-SIDED FIGURE OF THE ACCOMPANYING DRAWING ING THE MINIMUM TRIS(HYDROXYMETHYL) AMINOMETHANE CONTENT IS AT LEAST 1,75% AND WHICH 5-
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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 |