Patent US2501015A successfully refreshed from Google Patents.
US2501015A
Expired / Lapsed
US
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Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1948-02-16
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Granted: 1950-03-21
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Expires: 1968-02-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Wirtel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:23
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARATERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A MIXTURE CONTAINING AS ACTIVE CONSTITUENTS (A) TWENTY PERCENT TO THIRTY PERCENT HYDROPHILE, SYNTHETIC PRODUCTS; SAID HYDROPHILE, SYNTHETIC PRODUCTS BEING OXYALKYLATION PRODUCTS OF (A) AN ALPHA-BETA ALKYLENE OXIDE HAVING NOT MORE THAN 4 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE, AND METHYLGLYCIDE; AND (B) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE PHENOL-ALDEHYDE RESIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER 8 CARBON ATOMS AND REACTIVE TOWARD SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OUT OF THE FORMULA:
Claim 2
Dependent Claim
123 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARATERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A MIXTURE CONTAINING AS ACTIVE CONSTITUENTS (A) TWENTY PERCENT TO THIRTY PERCENT HYDROPHILE, SYNTHETIC PRODUCTS; SAID HYDROPHILE, SYNTHETIC PRODUCTS BEING OXYALKYLATION PRODUCTS OF (A) AN ALPHA-BETA ALKYLENE OXIDE HAVING NOT MORE THAN 4 CARBON ATOMS AND SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE, AND METHYLGLYCIDE; AND (B) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE PHENOL-ALDEHYDE RESIN; SAID RESIN BEING DERIVED BY REACTION BETWEEN A DIFUNCTIONAL MONOHYDRIC PHENOL AND AN ALDEHYDE HAVING NOT OVER 8 CARBON ATOMS AND REACTIVE TOWARD SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OUT OF THE FORMULA:
References Cited (Backward Citations)
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US2076623A
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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) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |