Patent US3237376A successfully refreshed from Google Patents.
US3237376A
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US
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Control of selective absorption process and apparatus
Assignee: Phillips Petroleum Co
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Filing: 1962-06-15
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Granted: 1966-03-01
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Robert D Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:05
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/425; B01D53/00; B01D53/14; B01D53/1418; Y; Y10; Y10S; Y10S203/00; Y10S203/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN A SELECTIVE ABSORPTION PROCESS, WHEREIN A MULTICOMPONENT GAS FEED STREAM IS CONTACTED WITH A LIQUID SELECTIVE ABSORBENT IN A COLUMN, A GAS IS WITHDRAWN FROM THE TOP OF THE COLUMN, AND A WASH LIQUID STREAM IS INTRODUCED INTO THE COLUMN NEAR THE TOP THEREOF, THE IMPROVEMENT COMPRISING ESTABLISHING A FIRST SIGNAL DIRECTLY RESPONSIVE TO THE DIFFERENCE BETWEEN THE TERMPERATURE IN SAID COLUMN AT A PREDETERMINED POINT THEREIN AND A DESIRED TEMPERATURE; ESTABLISHING A SECOND SIGNAL DIRECTLY RESPONSIVE TO THE FLOW RATE OF SAID GAS FEED STREM; ESTABLISHING A THIRD SIGNAL DIRECTLY RESPONSIVE TO THE FLOW RATE OF SAID WASH LIQUID RSTREAM; ESTABLISHING A FOURTH SIGNAL DIRECTLY RESPONSIVE TO THE RATION BETWEEN THE SECOND AND THIRD SIG-
Claim 2
Dependent Claim
117 words
IN A SELECTIVE ABSORPTION PROCESS, WHEREIN A MULTICOMPONENT GAS FEED STREAM IS CONTACTED WITH A LIQUID SELECTIVE ABSORBENT IN A COLUMN, A GAS IS WITHDRAWN FROM THE TOP OF THE COLUMN, AND A WASH LIQUID STREAM IS INTRODUCED INTO THE COLUMN NEAR THE TOP THEREOF, THE IMPROVEMENT COMPRISING ESTABLISHING A FIRST SIGNAL DIRECTLY RESPONSIVE TO THE DIFFERENCE BETWEEN THE TERMPERATURE IN SAID COLUMN AT A PREDETERMINED POINT THEREIN AND A DESIRED TEMPERATURE; ESTABLISHING A SECOND SIGNAL DIRECTLY RESPONSIVE TO THE FLOW RATE OF SAID GAS FEED STREM; ESTABLISHING A THIRD SIGNAL DIRECTLY RESPONSIVE TO THE FLOW RATE OF SAID WASH LIQUID RSTREAM; ESTABLISHING A FOURTH SIGNAL DIRECTLY RESPONSIVE TO THE RATION BETWEEN THE SECOND AND THIRD SIG-
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |