US2956946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing acids with an ethylene glycol monoalkylamine ether
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-07-10
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Granted: 1960-10-18
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Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Laurence F King
- 👤 William H White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:18
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/12; C10G21/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
AN IMPROVED PROCESS FOR REMOVING ACID OILS FROM A PETROLEUM DISTILLATE BOILING BETWEEN ABOUT 100* F. AND ABOUT 900* F. WHICH COMPRISES CONTACTING SAID DISTILLATE WITH AN ETHYLENE GLYCOL MONOALKYLAMINE ETHER HAVING THE FORMULA
Claim 2
Dependent Claim
34 words
AN IMPROVED PROCESS FOR REMOVING ACID OILS FROM A PETROLEUM DISTILLATE BOILING BETWEEN ABOUT 100* F. AND ABOUT 900* F. WHICH COMPRISES CONTACTING SAID DISTILLATE WITH AN ETHYLENE GLYCOL MONOALKYLAMINE ETHER HAVING THE FORMULA
References Cited (Backward Citations)
US2546345A
Cited
US2712978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |