US2608462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine absorbent gas treating system
Assignee: Fluor Corp
•
Filing: 1949-03-26
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Granted: 1952-08-26
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Expires: 1969-03-26
Abstract
No abstract record available.
Inventors
- 👤 Henry D Frazier
- 👤 Fred C Riesenfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:08
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/52; B01D53/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE METHOD THAT INCLUDES PASSING THROUGH A FIRST LIQUID AMINE SOLUTION STREAM A GASEOUS STREAM CONTAINING AN ACIDIC CONSTITUENT OF THE GROUP CONSISTING OF HYDROGEN SULFINE AND CARBON DIOXIDE AND REACTIVE WITH THE AMINE, THE GAS LEAVING AND SOLUTION CONTAINING ENTRAINED AMINE, CONTACTING AND SUBSTANTIALLY SATURATING A SECOND AMIN-CONTAINING STREAM WITH CARBON DIOXIDE, AND CONTACTING SAID SECOND STREAM WITH THE GAS STREAM AFTER ITS PASSAGE THROUGH SAID FIRST AMINE STREAM TO ABSORD IN SAID SECOND STREAM AMINE ENTRAINED IN THE GAS.
Claim 2
Independent Claim
81 words
THE METHOD THAT INCLUDES PASSING THROUGH A FIRST LIQUID AMINE SOLUTION STREAM A GASEOUS STREAM CONTAINING AN ACIDIC CONSTITUENT OF THE GROUP CONSISTING OF HYDROGEN SULFINE AND CARBON DIOXIDE AND REACTIVE WITH THE AMINE, THE GAS LEAVING AND SOLUTION CONTAINING ENTRAINED AMINE, CONTACTING AND SUBSTANTIALLY SATURATING A SECOND AMIN-CONTAINING STREAM WITH CARBON DIOXIDE, AND CONTACTING SAID SECOND STREAM WITH THE GAS STREAM AFTER ITS PASSAGE THROUGH SAID FIRST AMINE STREAM TO ABSORD IN SAID SECOND STREAM AMINE ENTRAINED IN THE GAS.
References Cited (Backward Citations)
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US1962525A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |