US3110682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
•
Filing: 1957-03-15
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Granted: 1963-11-12
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Expires: 1977-03-15
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:30
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 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 ACIDIC ESTERS DERIVED BY REACTION BETWEEN DICARBOXY ACIDS HAVING NOT MORE THAN 8 CARBON ATOMS AND OXYETHYLATED POLYPROPYLENEGLYCOLS; SAID OXYETHLATED POLYPROPYLENGLYCOLS BEING DERIVED BY THE OXYETHYLATION OF POLYPROPYLENEGLYCOLS HAVING MOLECULAR WEIGHTS BETWEEN ABOUT 2,000 AND 6,000; THE AMOUNT OF ETHYLENE OXIDE COMBINED BY THE OXYETHYLATION STEP BEING FROM ABOUT 15% TO ABOUT 45% OF THE POLYPROPYLENEGLYCOL, BY WEIGHT; THE RATIO OF DICARBOXY ACID TO SUCH DIOL BEING WITHIN THE RANGE OF RATIOS, 2:1 AND 5:4; THE ESTERIFICATION REACTION BEING CARRIED SUBSTANTIALLY TO COMPLETION AT A TEMPERATURE ABOVE THE BOILING POINT OF WATER AND BELOW THE PYROLYTIC POINT OF THE REACTANTS AND THE REACTION PRODUCTS.
Claim 2
Dependent Claim
126 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 ACIDIC ESTERS DERIVED BY REACTION BETWEEN DICARBOXY ACIDS HAVING NOT MORE THAN 8 CARBON ATOMS AND OXYETHYLATED POLYPROPYLENEGLYCOLS; SAID OXYETHLATED POLYPROPYLENGLYCOLS BEING DERIVED BY THE OXYETHYLATION OF POLYPROPYLENEGLYCOLS HAVING MOLECULAR WEIGHTS BETWEEN ABOUT 2,000 AND 6,000; THE AMOUNT OF ETHYLENE OXIDE COMBINED BY THE OXYETHYLATION STEP BEING FROM ABOUT 15% TO ABOUT 45% OF THE POLYPROPYLENEGLYCOL, BY WEIGHT; THE RATIO OF DICARBOXY ACID TO SUCH DIOL BEING WITHIN THE RANGE OF RATIOS, 2:1 AND 5:4; THE ESTERIFICATION REACTION BEING CARRIED SUBSTANTIALLY TO COMPLETION AT A TEMPERATURE ABOVE THE BOILING POINT OF WATER AND BELOW THE PYROLYTIC POINT OF THE REACTANTS AND THE REACTION PRODUCTS.
References Cited (Backward Citations)
US2615853A
Cited
US2562878A
Cited
US2662859A
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US2754271A
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US2790777A
Cited
US2841563A
Cited
US2943061A
Cited
US2911434A
Cited
US2950299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |