US2638407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for close temperature control of catalyzed gas reactions
Assignee: Standard Oil Development Co
•
Filing: 1949-12-31
•
Granted: 1953-05-12
•
Expires: 1969-12-31
Abstract
No abstract record available.
Inventors
- 👤 Asa B Steeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:14
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/06; B01J8/067; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN APPARATUS FOR CONTACTING FLUID REACTANT MATERIALS WITH A FIXED BED SOLID CATALYST THEREFOR, COMPRISING A PLURALITY OF VERTICAL REACTOR VESSELS OF SUBSTANTIALLY EQUAL VOLUME SYMMETRICALLY DISPOSED IN ARCUATELY SPACED RELATION ONE TO ANOTHER, EQUIDISTANT RADIALLY FROM A COMMON CENTER, A HEAT EXCHANGE CHAMBER IN EACH VESSEL, A PLURALITY OF SUBSTANTIALLY IDENTICAL, ELONGATED, TUBULAR REACTOR ELEMENTS EQUALLY DISTRIBUTED AMONG SAID VESSELS, SYMMETRICALLY DISPOSED IN SPACED PARALLEL RELATION INTERIORLY OF EACH VESSEL, EXTENDING VERTICALLY THROUGH THE HEAT EXCHANGE CHAMBER THEREIN, SAID ELEMENTS INCOMMUNICATION ABOVE AND BELOW SAID CHAMBER, A COMMON RESERVOIR VESSEL FOR A HEAT EXCHANGE FLUID, A COMMON RESERVOIR VESSEL FOR A FLUID REACTANT MATERIAL, AND A COMMON RECEIVER VESSEL FOR SAID MATERIAL AFTER PASSAGE THROUGH SAID REACTION ELEMENTS, ALL DISPOSED IN A VERTICAL LINE THROUGH SAID CENTER POINT, AND CONDUIT CONNECTIONS BETWEEN SAID RESERVOIR AND RECEIVER VESSELS, AND THE REACTOR VESSELS, SAID CONNECTIONS BEING OF SUBSTANTIALLY IDENTICAL LENGTH AND NATURE BETWEEN THE RESPECTIVE REACTOR VESSELS AND ANY ONE OF SAID RESERVOIR OR RECEIVER VESSELS.
Claim 2
Independent Claim
165 words
AN APPARATUS FOR CONTACTING FLUID REACTANT MATERIALS WITH A FIXED BED SOLID CATALYST THEREFOR, COMPRISING A PLURALITY OF VERTICAL REACTOR VESSELS OF SUBSTANTIALLY EQUAL VOLUME SYMMETRICALLY DISPOSED IN ARCUATELY SPACED RELATION ONE TO ANOTHER, EQUIDISTANT RADIALLY FROM A COMMON CENTER, A HEAT EXCHANGE CHAMBER IN EACH VESSEL, A PLURALITY OF SUBSTANTIALLY IDENTICAL, ELONGATED, TUBULAR REACTOR ELEMENTS EQUALLY DISTRIBUTED AMONG SAID VESSELS, SYMMETRICALLY DISPOSED IN SPACED PARALLEL RELATION INTERIORLY OF EACH VESSEL, EXTENDING VERTICALLY THROUGH THE HEAT EXCHANGE CHAMBER THEREIN, SAID ELEMENTS INCOMMUNICATION ABOVE AND BELOW SAID CHAMBER, A COMMON RESERVOIR VESSEL FOR A HEAT EXCHANGE FLUID, A COMMON RESERVOIR VESSEL FOR A FLUID REACTANT MATERIAL, AND A COMMON RECEIVER VESSEL FOR SAID MATERIAL AFTER PASSAGE THROUGH SAID REACTION ELEMENTS, ALL DISPOSED IN A VERTICAL LINE THROUGH SAID CENTER POINT, AND CONDUIT CONNECTIONS BETWEEN SAID RESERVOIR AND RECEIVER VESSELS, AND THE REACTOR VESSELS, SAID CONNECTIONS BEING OF SUBSTANTIALLY IDENTICAL LENGTH AND NATURE BETWEEN THE RESPECTIVE REACTOR VESSELS AND ANY ONE OF SAID RESERVOIR OR RECEIVER VESSELS.
References Cited (Backward Citations)
US2391315A
Cited
GB285668A
Cited
US2173984A
Cited
US2240481A
Cited
US2266095A
Cited
US2231493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |