US2497954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for removing emulsifying agents from amine solution
Assignee: Standard Oil Development Co
•
Filing: 1947-10-03
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Granted: 1950-02-21
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Expires: 1967-10-03
Abstract
No abstract record available.
Inventors
- 👤 John H Mcculley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
—
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF REMOVING ACID GASES FROM HYDROCARBON GAS CONTAINING THEM WHICH COMPRISES CONTACTING SAID ACID-CONTAINING HYDROCARBON GAS WITH AN AQUEOUS SOLUTION OF AN ETHANOL AMINE IN ADMIXTURE WITH A SMALL AMOUNT OF AN AROMATIC HYDROCARBON BOILING IN THE RANGE FROM 175* TO 600*F., SEPARATING HYDROCARBON GAS SUBSTANTIALLY FREE OF ACIDIC CONSTITUENTS FROM SAID AQUEOUS SOLUTION AND RECOVERING SAME, WITHDRAWING AQUEOUS SOLUTION IUN ADMIXTURE WITH AMOATIC HYDROCARBON, SEPARATING SAID AROMATIC HYDROCARBON FROM
Claim 2
Independent Claim
72 words
A METHOD OF REMOVING ACID GASES FROM HYDROCARBON GAS CONTAINING THEM WHICH COMPRISES CONTACTING SAID ACID-CONTAINING HYDROCARBON GAS WITH AN AQUEOUS SOLUTION OF AN ETHANOL AMINE IN ADMIXTURE WITH A SMALL AMOUNT OF AN AROMATIC HYDROCARBON BOILING IN THE RANGE FROM 175* TO 600*F., SEPARATING HYDROCARBON GAS SUBSTANTIALLY FREE OF ACIDIC CONSTITUENTS FROM SAID AQUEOUS SOLUTION AND RECOVERING SAME, WITHDRAWING AQUEOUS SOLUTION IUN ADMIXTURE WITH AMOATIC HYDROCARBON, SEPARATING SAID AROMATIC HYDROCARBON FROM
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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) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |