US2574543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1949-11-28
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Granted: 1951-11-13
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Expires: 1969-11-28
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Keiser Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:43
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFER INCLUDING HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING OXYALKYLATION PRODUCTS OF (A) BOTH ETHYLENE OXIDE AND PROPYLONE OXIDE; AND (B) BOTH ETHYLENE OXIDE AND PROPYLFUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE, PHENOLIC RESIN; SAID RESIN BEING DERIVED AT LEAST IN PART BY REACTION WITH AN ACETYLENE HYDROCARBON SO AS TO INTRODUCE AN ALTERNATE ACETYLENIC RADICAL AS THE LINKAGE STRUCTURE BETWEEN PHENOLIC NUCLEI; SAID SAID OXYALKYLATED RESIN BEING CHARACTERIZED BY THE INTRODUCTION INTO THE RESIN MOLECULE OF A PLURALITY OF DIVALENT C2H4O AND C3H6O RADICALS, WITH THE PROVISO THAT THE COMPOSITION OF SAID HYDROPHILE SYNTHETIC PRODUCTS, BASED ON A STATISTICAL AVERAGE AND ASSUMING COMPLETENESS OF REACTION, AND CALCULATED BACK TO THE THREE OXYALKYLATION STEP REACTANTS, I.E., RESIN, ETHYLENE OXIDE AND PROPYLENE OXIDE, ON A PERCENTAGE WEIGTH BASIS
Claim 2
Dependent Claim
145 words
A PROCESS FOR BREAKING PETROLEUM EMULSIONS OF THE WATER-IN-OIL TYPE, CHARACTERIZED BY SUBJECTING THE EMULSION TO THE ACTION OF A DEMULSIFER INCLUDING HYDROPHILE SYNTHETIC PRODUCTS; SAID HYDROPHILE SYNTHETIC PRODUCTS BEING OXYALKYLATION PRODUCTS OF (A) BOTH ETHYLENE OXIDE AND PROPYLONE OXIDE; AND (B) BOTH ETHYLENE OXIDE AND PROPYLFUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE, PHENOLIC RESIN; SAID RESIN BEING DERIVED AT LEAST IN PART BY REACTION WITH AN ACETYLENE HYDROCARBON SO AS TO INTRODUCE AN ALTERNATE ACETYLENIC RADICAL AS THE LINKAGE STRUCTURE BETWEEN PHENOLIC NUCLEI; SAID SAID OXYALKYLATED RESIN BEING CHARACTERIZED BY THE INTRODUCTION INTO THE RESIN MOLECULE OF A PLURALITY OF DIVALENT C2H4O AND C3H6O RADICALS, WITH THE PROVISO THAT THE COMPOSITION OF SAID HYDROPHILE SYNTHETIC PRODUCTS, BASED ON A STATISTICAL AVERAGE AND ASSUMING COMPLETENESS OF REACTION, AND CALCULATED BACK TO THE THREE OXYALKYLATION STEP REACTANTS, I.E., RESIN, ETHYLENE OXIDE AND PROPYLENE OXIDE, ON A PERCENTAGE WEIGTH BASIS
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 |