Patent US3681284A successfully refreshed from Google Patents.
Patent US2832811A successfully refreshed from Google Patents.
US2832811A
Expired / Lapsed
US
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Hydrolysis of ethyl chloride in light hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-06-28
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Granted: 1958-04-29
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Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Harry G Boynton
- 👤 Joseph T Horeczy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:02
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/14833; C07C7/1485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A METHOD FOR TREATING A BUTANE FRACTION CONTAINING AN AMOUNT IN THE RANGE BETWEEN 0.01 AND 0.5 MOLE PERCENT OF ETHYL CHLORIDE WHICH COMPRISES CONTACTING SAID BUTANE FRACTION IN THE LIQUID PHASW WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE AT AN ELEVATED TEMPERATURE IN THE RANGE BETWEEN 250*F. AND 305*F. FOR A SUFFICIENT LENGTH OF TIME IN THE BETWEEN ABOUT 15 AND ABOUT 60 MINUTES TO FORM AN ALCOHOL FROM SAID ETHYL CHLORIDE, AND RECOVERING BUTANE FROM SAID CONTACTED BUTANE FRACTION SUBSTANTIALLY FREE OF ETHYL CHLORIDE.
Claim 2
Independent Claim
88 words
A METHOD FOR TREATING A BUTANE FRACTION CONTAINING AN AMOUNT IN THE RANGE BETWEEN 0.01 AND 0.5 MOLE PERCENT OF ETHYL CHLORIDE WHICH COMPRISES CONTACTING SAID BUTANE FRACTION IN THE LIQUID PHASW WITH AN AQUEOUS SOLUTION OF AN ALKALI METAL HYDROXIDE AT AN ELEVATED TEMPERATURE IN THE RANGE BETWEEN 250*F. AND 305*F. FOR A SUFFICIENT LENGTH OF TIME IN THE BETWEEN ABOUT 15 AND ABOUT 60 MINUTES TO FORM AN ALCOHOL FROM SAID ETHYL CHLORIDE, AND RECOVERING BUTANE FROM SAID CONTACTED BUTANE FRACTION SUBSTANTIALLY FREE OF ETHYL CHLORIDE.
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |