US2602052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1950-08-03
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Granted: 1952-07-01
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Expires: 1970-08-03
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:26
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 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 OXYALKYLATION PRODUCTS; SAID OXYALKYLATION PRODUCTS BEING OBTAINED BY A PROCESS OF (A) REACTING A PHENOL WITH AN ALDEHYDE SO AS TO YIELD (B) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE PHENOLALDEHYDE 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
95 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 OXYALKYLATION PRODUCTS; SAID OXYALKYLATION PRODUCTS BEING OBTAINED BY A PROCESS OF (A) REACTING A PHENOL WITH AN ALDEHYDE SO AS TO YIELD (B) AN OXYALKYLATION-SUSCEPTIBLE, FUSIBLE, ORGANIC SOLVENT-SOLUBLE, WATER-INSOLUBLE PHENOLALDEHYDE 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |