US3556737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid distribution for fluid-solid contacting chambers
Assignee: Universal Oil Products Co
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Filing: 1968-12-20
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Granted: 1971-01-19
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Expires: 1988-12-20
Abstract
Abstract AN APPARATUS FOR CONTACTING TWO FLUIDS IN A FLUID-SOLIDS CONTACTING ZONE, SUCH AS AN ADSORPTION ZONE OR A REACTION ZONE. A FIRST FLUID IS DISCHARGED DOWNWARDLY FROM A CONDUIT SPACED ABOVE A BED OF PARTICULATED SOLIDS. FROM A NOZZLE SPACED BELOW THE CONDUIT, SECOND FLUID IS DISCHARGED UPWARD INTO THE FIRST FLUID DISCHARGE IN A MANNER SUFFICIENT TO PRODUCE A SPRAY OF MIXED FIRST AND SECOND FLUID WHICH PASSES INTO THE BED BELOW. SPECIFIC APPLICATION IS IN HYDROGENATION, HYDROTREATING, HYDROCRACKING, AND HYDRODEALKYLATION REACTION ZONES, WHEREIN A HYDROGEN STREAM IS UTILIZED FOR THE THERMAL QUENCH OF REACTANT HYDROCARBON BETWEEN CATALYST BEDS.
Inventors
- 👤 David M Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:17
CPC Classifications
C; C10; C10G; C10G49/00; C10G49/002; B; B01; B01J; B01J8/00; B01J8/02; B01J8/04; B01J8/0446; B01J8/0449; B01J8/0453; B01J8/0492; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |