US2944009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidized solids technique
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-09-03
•
Granted: 1960-07-05
•
Expires: 1977-09-03
Abstract
No abstract record available.
Inventors
- 👤 Allan R Huntley
- 👤 Francis R Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:27
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/22; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28; B01J8/44; C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD FOR IMPROVING THE INTER-PHASE CONTACTING IN A MULTI-PHASE FLUIDIZED SOLIDS PROCESS WHICH COMPRISES CAUSING A LIGHTER GASIFORM PHASE TO FLOW UPWARDLY THROUGH A DENSE PHASE COMPRISING PARTICULATE FLUIDIZABLE SOLIDS, SUBDIVIDING THE UPWARDLY FLOWING LIGHTER GASIFORM PHASE PASSING THROUGH A LOWER PORTION OF THE DENSE PHASE INTO A PLURALITY OF SMALL CONFINED AND SEPARATED STREAMS AND BAFFLING LATERAL FLOW OF SAID STREAMS, THEN FURTHER SUBDIVIDING EACH OF SAID CONFINED STREAMS INTO A MULTIPLICITY OF SMALLER STREAMS WHICH ARE DISCHARGED INTO AND INTIMATELY DISPERSED IN THE DENSE PHASE IMMEDIATELY THEREABOVE.
Claim 2
Independent Claim
90 words
A METHOD FOR IMPROVING THE INTER-PHASE CONTACTING IN A MULTI-PHASE FLUIDIZED SOLIDS PROCESS WHICH COMPRISES CAUSING A LIGHTER GASIFORM PHASE TO FLOW UPWARDLY THROUGH A DENSE PHASE COMPRISING PARTICULATE FLUIDIZABLE SOLIDS, SUBDIVIDING THE UPWARDLY FLOWING LIGHTER GASIFORM PHASE PASSING THROUGH A LOWER PORTION OF THE DENSE PHASE INTO A PLURALITY OF SMALL CONFINED AND SEPARATED STREAMS AND BAFFLING LATERAL FLOW OF SAID STREAMS, THEN FURTHER SUBDIVIDING EACH OF SAID CONFINED STREAMS INTO A MULTIPLICITY OF SMALLER STREAMS WHICH ARE DISCHARGED INTO AND INTIMATELY DISPERSED IN THE DENSE PHASE IMMEDIATELY THEREABOVE.
References Cited (Backward Citations)
US2472502A
Cited
US2581134A
Cited
US2606104A
Cited
US2740752A
Cited
US2816857A
Cited
US2777760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |