Patent US2712978A successfully refreshed from Google Patents.
US2712978A
Expired / Lapsed
US
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Amino-ether gas treating process
Assignee: Fluor Corp
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Filing: 1950-11-10
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Granted: 1955-07-12
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Expires: 1970-11-10
Abstract
No abstract record available.
Inventors
- 👤 Clyde L Blohm
- 👤 Fred C Riesenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:38
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/08; C10K1/10; C10K1/12; C10K1/14; C10K1/143; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/52; B01D53/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
THE PROCESS OF TREATING A GASEOUS MIXTURE STREAM FOR THE REMOVAL THEREFROM OF AN ACIDIC GAS OF THE GROUP CONSISTING OF HYDROGEN SULFIDE AND CARBON DIOXIDE, THAT ININCLUDES CONTACTING SAID MIXTURE WITH AN ABSORBENT CONTAINING AN AMINO ETHER HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
42 words
THE PROCESS OF TREATING A GASEOUS MIXTURE STREAM FOR THE REMOVAL THEREFROM OF AN ACIDIC GAS OF THE GROUP CONSISTING OF HYDROGEN SULFIDE AND CARBON DIOXIDE, THAT ININCLUDES CONTACTING SAID MIXTURE WITH AN ABSORBENT CONTAINING AN AMINO ETHER HAVING THE GENERAL FORMULA
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) | 1958-07-11 | 1959-01-10 | 1959-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-11 | 1963-01-10 | 1963-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-11 | 1967-01-10 | 1967-07-12 | $7700.00 | Window Closed / Lapsed |