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US3810950A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for converting reactant into product including adsorption-desorption cycle for recycle of unreacted reactant

Assignee: Texaco Inc
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Filing: 1971-12-13
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Granted: 1974-05-14
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Expires: 1991-12-13
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Abstract

Abstract A PROCESS FOR INCREASING THE CONVERSION OF A REACTANT HYDROCARBON INTO A DESIRED PRODUCT WHEREIN REACTANT CONTAINED IN A REACTION MIXYURE IS PARTIALLY CONVERTED INTO DESIRED PRODUCT. SUCH PROCESS COMPRISES ADSORBING, AT A RELATIVELY LOW TEMPERATURE, REACTANT HYDROCARBOB FROM THE REACTION EFFLUENT STREAM INTO A SOLID ADSORBENT SELECTIVE FOR SUCH REACTANT AND SUBSQUENTLY DESORBING REACTANT FROM THE SOLID ADSORBENT EMPLOYING REACTION CHARGE AT AN ELEVATED TMPERATURE. THE DESORBED REACTANT IS RETURNED TO THE REACTION FOR CONVERSION INTO ADDITIONAL AMOUNTS OF DESIRED PRODUCT. SUCH A ROCESS HAS PARTICULAR APPLICABILITY FOR SUCH REACTIONS AS ISOMERIZATION WHERE AN EQUILIBRIUM EXISTS BETWEEN REACTANT AND PRODUCT.

Inventors

  • 👤 R Woodle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:51
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/02; C07C13/16; C07C13/18; C07C5/00; C07C5/02; C07C5/10; C07C5/22; C07C5/27; C07C5/2767; C07C5/277; C07C7/00; C07C7/12; C07C7/13; C07C9/00; C07C9/14; C07C9/16; C07C2601/00; C07C2601/12; C07C2601/14; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582

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) 1977-05-13 1977-11-12 1978-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-05-13 1981-11-12 1982-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-05-13 1985-11-12 1986-05-14 $7700.00 Window Closed / Lapsed

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