US2561852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for catalytic reactions and adsorptions
Assignee: Filtrol Corp
•
Filing: 1944-05-05
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Granted: 1951-07-24
•
Expires: 1964-05-05
Abstract
No abstract record available.
Inventors
- 👤 Standard R Funsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:16
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
METHOD FOR CARRYING OUT CATALYTIC REACTION WHICH COMPRISES MAINTAINING A PLURALITY OF SUPERIMPOSED BEDS OF CATALYST, INTRODUCING CATALYSTS INTO THE UPPER OF SAID BEDS, AND DICHARGING THE SPENT CATALYST FROM THE LOWER OF SAID BEDS, RABBLING SAID CATALYSTS ON EACH BED BY ROTATING RABBLE ARMS POSITIONED ON EACH OF SAID BEDS, TO AGITATE SAID BEDS AND MOVE THE CATALYST ON SAID BEDS GENERALLY TRANSVERSELY ACROSS SAID BEDS, AND DISCHARGING SAID RABBLED AND AGITATED CATALYST FROM SAID BEDS, AND PASSING IT TO THE NEXT SUCCEEDING LOWER BEDS, INTRODUCING REACTANT VAPORS AND GASES INTO THE ROTATING RABBLE ARM ON LOWER OF SAID BEDS, AND DISCHARGING THEM FROM SAID RABBLE ARMS AR A PLURALITY OF POINTS IN SAID BED AS SAID RABBLE ARM PASSES THROUGH SAID BEDS, WITHDRAWING REACTANT VAPORS FROM SAID BED, AND INTRODUCING THEM INTO RABBLE ARMS IN THE NEXT SUCCEEDING UPPER BED, AND THUS PASSING THEM GENERALLY COUNTERCURRENT TO THE MOVEMENT OF THE CATALYST THROUGH SAID BEDS, REMOVING SAID REACTANT VAPORS FROM THE UPPER OF SAID BEDS, AND WITHDRAWING SPENT CATALYST FROM THE ZONE OF REACTION.
Claim 2
Dependent Claim
176 words
METHOD FOR CARRYING OUT CATALYTIC REACTION WHICH COMPRISES MAINTAINING A PLURALITY OF SUPERIMPOSED BEDS OF CATALYST, INTRODUCING CATALYSTS INTO THE UPPER OF SAID BEDS, AND DICHARGING THE SPENT CATALYST FROM THE LOWER OF SAID BEDS, RABBLING SAID CATALYSTS ON EACH BED BY ROTATING RABBLE ARMS POSITIONED ON EACH OF SAID BEDS, TO AGITATE SAID BEDS AND MOVE THE CATALYST ON SAID BEDS GENERALLY TRANSVERSELY ACROSS SAID BEDS, AND DISCHARGING SAID RABBLED AND AGITATED CATALYST FROM SAID BEDS, AND PASSING IT TO THE NEXT SUCCEEDING LOWER BEDS, INTRODUCING REACTANT VAPORS AND GASES INTO THE ROTATING RABBLE ARM ON LOWER OF SAID BEDS, AND DISCHARGING THEM FROM SAID RABBLE ARMS AR A PLURALITY OF POINTS IN SAID BED AS SAID RABBLE ARM PASSES THROUGH SAID BEDS, WITHDRAWING REACTANT VAPORS FROM SAID BED, AND INTRODUCING THEM INTO RABBLE ARMS IN THE NEXT SUCCEEDING UPPER BED, AND THUS PASSING THEM GENERALLY COUNTERCURRENT TO THE MOVEMENT OF THE CATALYST THROUGH SAID BEDS, REMOVING SAID REACTANT VAPORS FROM THE UPPER OF SAID BEDS, AND WITHDRAWING SPENT CATALYST FROM THE ZONE OF REACTION.
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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) | 1954-07-23 | 1955-01-22 | 1955-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-23 | 1959-01-22 | 1959-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-23 | 1963-01-22 | 1963-07-24 | $7700.00 | Window Closed / Lapsed |