US2819223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for breaking petroleum emulsions employing certain oxyalkylation products ofreactive nitrogen containing compounds
Assignee: Baker Petrolite LLC
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Filing: 1953-08-26
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Granted: 1958-01-07
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Expires: 1973-08-26
Abstract
No abstract record available.
Inventors
- 👤 Groote Melvin De
- 👤 Shen Kwan-Ting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:15
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 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 THE REACTION PRODUCT OF (A) A MONOMERIC ORGANIC NONRESINOUS NITROGEN-CONTAINING COMPOUND HAVING AT LEAST ONE REACTIVE HYDROGEN ATOM, AND (B) NONARYL HYDROPHILE POLYEPOXIDES CHARACTERIZED BY THE FACT THAT THE PRECURSORY POLYHYDRIC ALCOHOL, IN WHICH AN OXYGEN-LINKED HYDROGEN ATOM IS REPLACED SUBSEQUENTLY BY THE RADICAL
Claim 2
Dependent Claim
74 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 THE REACTION PRODUCT OF (A) A MONOMERIC ORGANIC NONRESINOUS NITROGEN-CONTAINING COMPOUND HAVING AT LEAST ONE REACTIVE HYDROGEN ATOM, AND (B) NONARYL HYDROPHILE POLYEPOXIDES CHARACTERIZED BY THE FACT THAT THE PRECURSORY POLYHYDRIC ALCOHOL, IN WHICH AN OXYGEN-LINKED HYDROGEN ATOM IS REPLACED SUBSEQUENTLY BY THE RADICAL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |