Patent US2542001A successfully refreshed from Google Patents.
US2542001A
Expired / Lapsed
US
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Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1948-12-13
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Granted: 1951-02-20
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Expires: 1968-12-13
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Keiser Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:59
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 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 HYDROPHILE QUATERNARY AMMONIUM COMPOUND OBTAINED BY REACTION BETWEEN A HETEROCYCLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF PYRIDINE, QUINOLINE, ISOQUINOLINE, AND CARBON-LINKED METHYL HOMOLOGUES THEREOF, AND AN ESTER IN WHICH THE ACYL RADICAL IS THAT AN ALPHA-HALOGEN MONOCARBOXYLIC ACID HAVING NOT OVER 6 CARBON ATOMS AND THE ALCOHOLIC RADICAL IS THAT OF CERTAIN HYDROPHILE POLYHYDRIC SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEIN OXYALKYLATION PRODUCTS OF (A) AN ALPHA-BETA ALKYLENE OXIDE HAVING NOT MORE THAN 4 CARBON ATOMS AND SELECTED FROM THE CLAS 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 TOWARDS SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OF THE FORMULA
Claim 2
Dependent Claim
168 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 HYDROPHILE QUATERNARY AMMONIUM COMPOUND OBTAINED BY REACTION BETWEEN A HETEROCYCLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF PYRIDINE, QUINOLINE, ISOQUINOLINE, AND CARBON-LINKED METHYL HOMOLOGUES THEREOF, AND AN ESTER IN WHICH THE ACYL RADICAL IS THAT AN ALPHA-HALOGEN MONOCARBOXYLIC ACID HAVING NOT OVER 6 CARBON ATOMS AND THE ALCOHOLIC RADICAL IS THAT OF CERTAIN HYDROPHILE POLYHYDRIC SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEIN OXYALKYLATION PRODUCTS OF (A) AN ALPHA-BETA ALKYLENE OXIDE HAVING NOT MORE THAN 4 CARBON ATOMS AND SELECTED FROM THE CLAS 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 TOWARDS SAID PHENOL; SAID RESIN BEING FORMED IN THE SUBSTANTIAL ABSENCE OF TRIFUNCTIONAL PHENOLS; SAID PHENOL BEING OF THE FORMULA
References Cited (Backward Citations)
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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) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |