US2585441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reactor
Assignee: Gulf Oil Corp
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Filing: 1947-12-22
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Granted: 1952-02-12
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Expires: 1967-12-22
Abstract
No abstract record available.
Inventors
- 👤 Paul W Cornell
- 👤 Cotton Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:15
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0278; B01J2219/00; B01J2219/18; B01J2219/182
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
APPARATUS FOR CONDUCTING CATALYTIC CHEMICAL REACTIONS COMPRISING A HORIZONTAL ELONGATED CYLINDRICAL SHELL CLOSED AT BOTH ENDS THEREOF, INLET MEAND AT THE TOP OF SAID SHELL, OUTLET MEANS AT THE BOTTOM OF SAID SHELL, A SECOND SHELL CLOSED AT BOTH ENDS THEREOF AND HAVING AN OPENING IN THE TOP AND AN OPENING IN THE BOTTOM THEREOF, SAID SECOND SHELL BEING DISPOSED CENTRALLY WITHIN SAID FIRST-NAMED SHELL AND SPACED FROM THE WALLS THEREOF, FORMAINOUS SUPPORT MEANS ADAPTED TO SUPPORT A FIXED CATALYST BED HORIZONTALLY DISPOSED WITHIN SAID SECOND SHELL, IMPELLER TYPE CIRCULATING MEANS DISPOSED WITHIN SAID FIRST-NAMED SHELL IN PROXIMATE POSITION WITH RESPECT TO AND IN COMMUNICATION WITH THE OPENING IN THE TOP OF SAID SECOND SHELL FOR CIRCULATING LARGE QUANTITIES OF FLUIDS DOWNWARDLY THROUGH SAID FIXED CATALYST BED AND UPWARDLY WHOLLY WITHIN THE SPACE BETWEEN THE SHELLS, AND A HEAT EXCHANGER DISPOSED IN THE PATH OF FLOW OF SAID FLUIDS AND SPACED VERTICALLY FROM SAID FORAMINOUS CATALYST SUPPORT MEANS.
Claim 2
Dependent Claim
158 words
APPARATUS FOR CONDUCTING CATALYTIC CHEMICAL REACTIONS COMPRISING A HORIZONTAL ELONGATED CYLINDRICAL SHELL CLOSED AT BOTH ENDS THEREOF, INLET MEAND AT THE TOP OF SAID SHELL, OUTLET MEANS AT THE BOTTOM OF SAID SHELL, A SECOND SHELL CLOSED AT BOTH ENDS THEREOF AND HAVING AN OPENING IN THE TOP AND AN OPENING IN THE BOTTOM THEREOF, SAID SECOND SHELL BEING DISPOSED CENTRALLY WITHIN SAID FIRST-NAMED SHELL AND SPACED FROM THE WALLS THEREOF, FORMAINOUS SUPPORT MEANS ADAPTED TO SUPPORT A FIXED CATALYST BED HORIZONTALLY DISPOSED WITHIN SAID SECOND SHELL, IMPELLER TYPE CIRCULATING MEANS DISPOSED WITHIN SAID FIRST-NAMED SHELL IN PROXIMATE POSITION WITH RESPECT TO AND IN COMMUNICATION WITH THE OPENING IN THE TOP OF SAID SECOND SHELL FOR CIRCULATING LARGE QUANTITIES OF FLUIDS DOWNWARDLY THROUGH SAID FIXED CATALYST BED AND UPWARDLY WHOLLY WITHIN THE SPACE BETWEEN THE SHELLS, AND A HEAT EXCHANGER DISPOSED IN THE PATH OF FLOW OF SAID FLUIDS AND SPACED VERTICALLY FROM SAID FORAMINOUS CATALYST SUPPORT MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |