US2808897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for contacting liquid and vaporous materials
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-05-22
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Granted: 1957-10-08
•
Expires: 1973-05-22
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Reinsch
- 👤 Henry J Hibshman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:41
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A LIQUID-VAPOR CONTACTING APPARATUS COMPRISING A SUBSTANIALLY CYLINDRICAL VESSEL HAVING A VAPOR INLET AT ONE END AND A VAPOR OUTLET AT THE OPPOSITE END AND DIVIDED BY CIRCUMFERENTIAL SLOTS INTO A PLURALITY OF LONGITUDINALLY SPACED CONTACTING ZONES; ANNULAR RECEIVER CHAMBERS AFFIXED TO THE OUTER SURFACE OF SAID VESSEL SURROUNDING EACH OF SAID SLOTS AND PROVIDED WITH PRODUCT OUTLETS; LIQUID INLETS EXTENDING INTO EACH OF SAID ZONES AND TERMINATING ON THE LONGITUDINAL CENTER LINE OF SAID VESSEL, EACH INLET BEING ADAPTED TO DISCHARGE DOWNSTREAM AT A POINT FROM ONE-HALF TO 6 ZONE DIAMETERS FROM THE DOWNSTREAM SLOT ADJACENT THE ZONE IN WHICH SAID INLET IS LOCATED; A FIRST SET OF OVERLAPPING, ARCUATELY-SPACED VANES IN EACH ZONE
Claim 2
Dependent Claim
115 words
A LIQUID-VAPOR CONTACTING APPARATUS COMPRISING A SUBSTANIALLY CYLINDRICAL VESSEL HAVING A VAPOR INLET AT ONE END AND A VAPOR OUTLET AT THE OPPOSITE END AND DIVIDED BY CIRCUMFERENTIAL SLOTS INTO A PLURALITY OF LONGITUDINALLY SPACED CONTACTING ZONES; ANNULAR RECEIVER CHAMBERS AFFIXED TO THE OUTER SURFACE OF SAID VESSEL SURROUNDING EACH OF SAID SLOTS AND PROVIDED WITH PRODUCT OUTLETS; LIQUID INLETS EXTENDING INTO EACH OF SAID ZONES AND TERMINATING ON THE LONGITUDINAL CENTER LINE OF SAID VESSEL, EACH INLET BEING ADAPTED TO DISCHARGE DOWNSTREAM AT A POINT FROM ONE-HALF TO 6 ZONE DIAMETERS FROM THE DOWNSTREAM SLOT ADJACENT THE ZONE IN WHICH SAID INLET IS LOCATED; A FIRST SET OF OVERLAPPING, ARCUATELY-SPACED VANES IN EACH ZONE
References Cited (Backward Citations)
US1670743A
Cited
GB429604A
Cited
US2189491A
Cited
US2409088A
Cited
US2496281A
Cited
US2560072A
Cited
US2560073A
Cited
US2649291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |