Patent US2539808A successfully refreshed from Google Patents.
US2539808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of hydrocarbon oils
Assignee: Phillips Petroleum Co
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Filing: 1947-05-19
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Granted: 1951-01-30
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Expires: 1967-05-19
Abstract
No abstract record available.
Inventors
- 👤 George M Brooner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:18
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/06; C10G29/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A PROCESS FOR SWEETENING A SOUR LOW BOILING HYDROCARBON STREAM WHICH COMPRISES THE STEPS OF HEATING SAID STREAM, FURNISHING OXYGEN TO SAID STREAM, CONTACTING SAID STREAM WITH A REAGENT COMPRISING AN ADSORBENT MATERIAL IMPREGNATED WITH A COPPER SALT AND A HALIDE IN THE PRESENCE OF A SMALL PORTION OF WATER, AND WITHDRAWING A SWEETENED HYDROCARBON FROM CONTACT WITH SAID REAGENT; THE IMPROVEMENT WHICH COMPRISES THE STEPS OF COOLING A PORTION OF SAID SWEETENED HYDROCARBON SO AS TO PRECIPITATE IN SAID HYDROCARBON WATER FORMED IN THE SWEETENING OF SAID HYDROCARBON, SEPARATING SAID PRECIPITATED WATER THEREFROM, COMBINING SAID SWEETENED AND DEHYDRATED STREAM WITH SAID SOUR FEED STREAM, CON-
Claim 2
Dependent Claim
107 words
IN A PROCESS FOR SWEETENING A SOUR LOW BOILING HYDROCARBON STREAM WHICH COMPRISES THE STEPS OF HEATING SAID STREAM, FURNISHING OXYGEN TO SAID STREAM, CONTACTING SAID STREAM WITH A REAGENT COMPRISING AN ADSORBENT MATERIAL IMPREGNATED WITH A COPPER SALT AND A HALIDE IN THE PRESENCE OF A SMALL PORTION OF WATER, AND WITHDRAWING A SWEETENED HYDROCARBON FROM CONTACT WITH SAID REAGENT; THE IMPROVEMENT WHICH COMPRISES THE STEPS OF COOLING A PORTION OF SAID SWEETENED HYDROCARBON SO AS TO PRECIPITATE IN SAID HYDROCARBON WATER FORMED IN THE SWEETENING OF SAID HYDROCARBON, SEPARATING SAID PRECIPITATED WATER THEREFROM, COMBINING SAID SWEETENED AND DEHYDRATED STREAM WITH SAID SOUR FEED STREAM, CON-
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) | 1954-01-29 | 1954-07-31 | 1955-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-29 | 1958-07-31 | 1959-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-29 | 1962-07-31 | 1963-01-30 | $7700.00 | Window Closed / Lapsed |