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US3792110A Expired / Lapsed US ⏱️ 0.0 years remaining

Dehydrogenation process for converting n-paraffin hydrocarbon into n-olefin hydrocarbon

Assignee: Texaco Inc
•
Filing: 1971-12-29
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Granted: 1974-02-12
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Expires: 1991-12-29
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Abstract

Abstract A DEHYDROGENATION PROCESS WHEREIN N-PRAFFIN HYDROCARBON AT AN ELEVATED TEMPERATURE, IN THE PRESENCE OF MOLECULAR HYDROGEN IS CONTACTED WITH A DEHYDROGENATION CATALYST COMPRISING A DEHYDROGENTAION COMPONENT SUPPORTED UPON AN INORGANIC METAL OXIDE BASE TO CONVERT SAID N-PARAFFIN HYDROCARBON INTO N-OLEFIN HYDROCARBON. SUCH PROCESS INCORPORATES AN IMPROVEMENT FOR INCREASING THE SELECTIVITY OF SAID CATALYST FOR CONVERTING N-PARAFFIN HYDROCARBON INTO N-OLEFIN HYDROCARBON, WHICH IMPROVEMENT COMPRISES TREATING A FRESH OR FRESHLY REGENERATED DEHYDROGENATION CATALYST, PRIOR TO USE IN THE DEHYDROGENATION REACTION, WITH PARAFFIN HYDROCARBON AND HYDROGEN IN A MOLE RATION OF HYDROGEN TO HYDROCARBON OF FROM ABOUT 0.5:1 TO ABOUT 40-1, AT A TEMPERATURE OF FROM ABOUT 750* F. TO ABOUT 1000*F, AND A PRESSURE OF FROM ABOUT ATMOSPHERIC TO ABOUT 50 P.S.I.G. FOR A PERIOD OF FROM ABOUT 12 TO ABOUT 24 HOURS.

Inventors

  • 👤 C Senn
  • 👤 L Parker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:23
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/327; C07C5/333; C07C5/3335; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/064; B01J29/068; B01J37/00; B01J37/16; B01J37/18; C07C5/3337; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-02-11 1977-08-13 1978-02-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-11 1981-08-13 1982-02-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-11 1985-08-13 1986-02-12 $7700.00 Window Closed / Lapsed

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