US2672034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydration of liquefied petroleum gas
Assignee: Standard Oil Development Co
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Filing: 1950-10-26
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Granted: 1954-03-16
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Expires: 1970-10-26
Abstract
No abstract record available.
Inventors
- 👤 Morris R Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:54
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD FOR DEHYDRATING A WATER-CONTAINING NORMALLY GASEOUS HYDROCARBON FEED HAVING FROM THREE TO FOUR CARBON ATOMS IN THE MOLECULE WHICH COMPRISES RECTIFYING SAID WATER-CONTAINING NORMALLY GASESOUS FEED HYDROCARBON TO OBTAIN AN OVERHEAD FRACTION INCLUDING HYDROCARBON AND SUBSTANTIALLY ALL THE WATER IN SAID FEED AND A BOTTOMS FRACTION SUBSTANTIALLY FREE OF WATER, CONDENSING SAID OVERHEAD FRACTION AND SEPARATING WATER THEREFROM, FLASHING SAID CONDENSED OVERHEAD FRACTION TO FORM A GASEOUS PHASE AND A LIQUID PHASE, AND RECOVERING FROM SAID LIQUID PHASE A SUBSTANTIALLY DEHYDRATED HYDROCARBON.
Claim 2
Independent Claim
84 words
A METHOD FOR DEHYDRATING A WATER-CONTAINING NORMALLY GASEOUS HYDROCARBON FEED HAVING FROM THREE TO FOUR CARBON ATOMS IN THE MOLECULE WHICH COMPRISES RECTIFYING SAID WATER-CONTAINING NORMALLY GASESOUS FEED HYDROCARBON TO OBTAIN AN OVERHEAD FRACTION INCLUDING HYDROCARBON AND SUBSTANTIALLY ALL THE WATER IN SAID FEED AND A BOTTOMS FRACTION SUBSTANTIALLY FREE OF WATER, CONDENSING SAID OVERHEAD FRACTION AND SEPARATING WATER THEREFROM, FLASHING SAID CONDENSED OVERHEAD FRACTION TO FORM A GASEOUS PHASE AND A LIQUID PHASE, AND RECOVERING FROM SAID LIQUID PHASE A SUBSTANTIALLY DEHYDRATED HYDROCARBON.
References Cited (Backward Citations)
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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) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |