Patent US2695883A successfully refreshed from Google Patents.
US2695883A
Expired / Lapsed
US
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Process for breaking petroleum emulsions
Assignee: Baker Petrolite LLC
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Filing: 1952-04-10
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Granted: 1954-11-30
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Expires: 1972-04-10
Abstract
No abstract record available.
Inventors
- 👤 Smith Alvin Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:06
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 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 SYNTHETIC HYDROPHILE PRODUCTS; SAID SYNTHETIC HYDROPHILE PRODUCTS BEING ACIDIC FRACTIONAL ESTERS OBTAINED BY REACTION BETWEEN (A) A POLYCARBOXY ACID, AND (B) EXCESSIVELY OXYPROPYLATEAD TRICINOLEIN WITH THE PROVISO THAT (1) THERE BE INTRODUCED AT LEAST 20 MOLES OF PROPYLENE OXIDE PER RICINOLEYL RADICAL, AND THAT (2) THERE BE EMPLOYED AT LEAST ONE MOLE OF THE CARBOXY REACTANT FOR EACH REACTIVE HYDROYL RADICAL.
Claim 2
Dependent Claim
83 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 SYNTHETIC HYDROPHILE PRODUCTS; SAID SYNTHETIC HYDROPHILE PRODUCTS BEING ACIDIC FRACTIONAL ESTERS OBTAINED BY REACTION BETWEEN (A) A POLYCARBOXY ACID, AND (B) EXCESSIVELY OXYPROPYLATEAD TRICINOLEIN WITH THE PROVISO THAT (1) THERE BE INTRODUCED AT LEAST 20 MOLES OF PROPYLENE OXIDE PER RICINOLEYL RADICAL, AND THAT (2) THERE BE EMPLOYED AT LEAST ONE MOLE OF THE CARBOXY REACTANT FOR EACH REACTIVE HYDROYL RADICAL.
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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |