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US2590539A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of catalyst control in organic reactions

Assignee: Phillips Petroleum Co
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Filing: 1947-10-14
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Granted: 1952-03-25
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Expires: 1967-10-14
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas B Hudson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 16:54
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1845; B01J8/1863; B01J8/1881; B01J8/189; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 140 words
THE IMPROVED METHOD OF EFFECTING CATALYZED EXOTHERMIC ORGANIC CONVERSIONS WHICH COMPRISES PASSING A FLUID REACITON MIXTURE TO BE CONVERTED THROUGH A REACTION ZONE AT CONDITIONS EFFECTIVE TO OBTAIN SAID CONVERSION AND SO CHOSEN THAT THE TEMPERATURE IS CAUSED TO INCREASE IN THE DIRECTION OF FLOW OF THE REACTION MIXTURE DUE TO THE EXOTHERMIC HEAT OF REACTION, INTRODUCING A SOLID MOBILE CATALYST FOR THE REACTION INTO SAID REACTION ZONE AT A PLURALITY OF POINTS SPACED IN THE DIRECTION OF FLOW, PASSING THE THUS-INTRODUCED CATALYST THROUGH SAID REACTION ZONE COUNTERCURRENTLY TO THE REACTION MIXTURE, AND SEPARATELY CONTROLLING THE QUANTITY AND ACTIVITY OF CATALYST INTRODUCED AT EACH SAID POINT TO PROVIDE A DECREASING AMOUNT OF CATALYST ACTIVITY IN THE DIRECTION OF FLOW OF REACTANTS AS AN INVERSE FUNCTION OF THE TEMPERATURE THUS TENDING TO EQUALIZE THE EXTENT OF REACTION THROUGHOUT SAID REACTION ZONE.
Claim 2
Dependent Claim 140 words
THE IMPROVED METHOD OF EFFECTING CATALYZED EXOTHERMIC ORGANIC CONVERSIONS WHICH COMPRISES PASSING A FLUID REACITON MIXTURE TO BE CONVERTED THROUGH A REACTION ZONE AT CONDITIONS EFFECTIVE TO OBTAIN SAID CONVERSION AND SO CHOSEN THAT THE TEMPERATURE IS CAUSED TO INCREASE IN THE DIRECTION OF FLOW OF THE REACTION MIXTURE DUE TO THE EXOTHERMIC HEAT OF REACTION, INTRODUCING A SOLID MOBILE CATALYST FOR THE REACTION INTO SAID REACTION ZONE AT A PLURALITY OF POINTS SPACED IN THE DIRECTION OF FLOW, PASSING THE THUS-INTRODUCED CATALYST THROUGH SAID REACTION ZONE COUNTERCURRENTLY TO THE REACTION MIXTURE, AND SEPARATELY CONTROLLING THE QUANTITY AND ACTIVITY OF CATALYST INTRODUCED AT EACH SAID POINT TO PROVIDE A DECREASING AMOUNT OF CATALYST ACTIVITY IN THE DIRECTION OF FLOW OF REACTANTS AS AN INVERSE FUNCTION OF THE TEMPERATURE THUS TENDING TO EQUALIZE THE EXTENT OF REACTION THROUGHOUT SAID REACTION ZONE.

References Cited (Backward Citations)

US1366439A Cited
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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) 1955-03-25 1955-09-24 1956-03-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-03-25 1959-09-24 1960-03-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-03-25 1963-09-24 1964-03-25 $7700.00 Window Closed / Lapsed

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