Patent US2574544A successfully refreshed from Google Patents.
US2574544A
Expired / Lapsed
US
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Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1950-07-11
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Granted: 1951-11-13
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Expires: 1970-07-11
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:48
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARATERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING OXYLKYLATION PRODUCTS OF (A) AN ALPHA-BETA ALKYLENE OXIDE SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE, METHYLGLYCIDE, METHYL GLYCIDYL ETHER; ETHYL GLYCIDYL ETHER AND PROPYL GLYCIDYL ETHER; AND (B) AN ORGANIC SOLVENT-SOLUBLE, OXYALKYLATION-SUSCEPTIBLE POLYMERIZATION PRODUCT OF A MEMBER OF THE CLASS CONSISTING OF ALLYLSUCROSE, AND ALLYISUCROSE IN COMBINATION WITH OTHER CO-POLYMERIZABLE ALLYL COMPOUNDS; IN SAID COMBINATION THE WEIGHT PERCENTAGE OF ALLYLSUCROSE BEING NOT LESS THAN 10% AND NOT OVER 90%; AND WITH THE PROVISO THAT THE HYDROPHILE PROPERTIES OF SAID OXYALKYLATED DERIVATIVE IN AN EQUAL WEIGHT OF XYLENE ARE SUFFICIENT TO PRODUCE AN EMULSION WHEN SAID XYLENE SOLUTION IS SHAKEN VIGOROYSLY WITH ONE TO THREE VOLUMES OF WATER.
Claim 2
Dependent Claim
143 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE CHARATERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFIER INCLUDING HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING OXYLKYLATION PRODUCTS OF (A) AN ALPHA-BETA ALKYLENE OXIDE SELECTED FROM THE CLASS CONSISTING OF ETHYLENE OXIDE, PROPYLENE OXIDE, BUTYLENE OXIDE, GLYCIDE, METHYLGLYCIDE, METHYL GLYCIDYL ETHER; ETHYL GLYCIDYL ETHER AND PROPYL GLYCIDYL ETHER; AND (B) AN ORGANIC SOLVENT-SOLUBLE, OXYALKYLATION-SUSCEPTIBLE POLYMERIZATION PRODUCT OF A MEMBER OF THE CLASS CONSISTING OF ALLYLSUCROSE, AND ALLYISUCROSE IN COMBINATION WITH OTHER CO-POLYMERIZABLE ALLYL COMPOUNDS; IN SAID COMBINATION THE WEIGHT PERCENTAGE OF ALLYLSUCROSE BEING NOT LESS THAN 10% AND NOT OVER 90%; AND WITH THE PROVISO THAT THE HYDROPHILE PROPERTIES OF SAID OXYALKYLATED DERIVATIVE IN AN EQUAL WEIGHT OF XYLENE ARE SUFFICIENT TO PRODUCE AN EMULSION WHEN SAID XYLENE SOLUTION IS SHAKEN VIGOROYSLY WITH ONE TO THREE VOLUMES OF WATER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-12 | 1955-05-14 | 1955-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-12 | 1959-05-14 | 1959-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-12 | 1963-05-14 | 1963-11-13 | $7700.00 | Window Closed / Lapsed |