US2721832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Contacting gasoline fractions with activated carbon
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1952-11-12
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Granted: 1955-10-25
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Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Draeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:14
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/24; C10G45/28; C10G45/30; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD FOR TREATING A GASOLINE FRACTION CONTAINING A SUBSTANTIAL AMOUNT OF MONO- AND DIOLEFINS AND AN EFFECTIVE AMOUNT OF NAPHTHENES AT LEAST ONE-THIRD OF THE AMOUNT OF THE DIOLEFINS IN SAID FRACTION WHICH COMPRISES CONTACTING SAID FRACTION WITH AN ACTIVATED CARBON AT A TEMPERATURE IN THE RANGE BETWEEN 450* AND 630* F., AT A PRESSURE IN THE RANGE FROM 0 TO 200 POUNDS PER SQUARE INCH GAUGE, AND AT A LIQUID SPACE VELOCITY IN THE RANGE FROM 0.5 TO 10V./V./HR. TO CONVERT SELECTIVELY THE DIOLEFINS IN SAID FRACTION WITHOUT SUBSTANTIALLY CONVERTING THE MONOOLEFINS.
Claim 2
Independent Claim
94 words
A METHOD FOR TREATING A GASOLINE FRACTION CONTAINING A SUBSTANTIAL AMOUNT OF MONO- AND DIOLEFINS AND AN EFFECTIVE AMOUNT OF NAPHTHENES AT LEAST ONE-THIRD OF THE AMOUNT OF THE DIOLEFINS IN SAID FRACTION WHICH COMPRISES CONTACTING SAID FRACTION WITH AN ACTIVATED CARBON AT A TEMPERATURE IN THE RANGE BETWEEN 450* AND 630* F., AT A PRESSURE IN THE RANGE FROM 0 TO 200 POUNDS PER SQUARE INCH GAUGE, AND AT A LIQUID SPACE VELOCITY IN THE RANGE FROM 0.5 TO 10V./V./HR. TO CONVERT SELECTIVELY THE DIOLEFINS IN SAID FRACTION WITHOUT SUBSTANTIALLY CONVERTING THE MONOOLEFINS.
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) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |