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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
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Expires: 1969-12-31
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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

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