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US3347783A Expired / Lapsed US ⏱️ 0.0 years remaining

Regeneration of individual molecular sieve compartments

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1964-12-01
•
Granted: 1967-10-17
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Expires: 1984-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Jr George F Feldbauer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 09:48
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/30; B01J20/34; B01J20/3408; C; C10; C10G; C10G25/00; C10G25/02; C10G25/03

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 154 words
IN A MOLECULAR SIEVE SEPARATION PROCESS WHEREIN A FEEDSTOCK, AT LEAST A PORTION OF WHICH IS ADSORBABLE, IS PASSED THROUGH A MOLECULAR SIEVE SEPARATION ZONE WHEREBY THE SAID ABSORBABLE PORTION IS ADSORBED ONTO THE MOLECULAR SIEVE, HALTING THE FLOW OF SAID FEEDSTOCK, THEN DESORBING THE SAID ADSORBED COMPONENT BY MEANS OF A DISPLACING AGENT AND THE CYCLE CONTINUED UNTIL THE SAID MOLECULAR SIEVE CONTAINS A DEACTIVATING AMOUNT OF A STRONGLY ADSORBED CONTAMINANT WHICH SERVES TO REDUCE ITS ADSORPTIVE CAPACITY, THE IMPROVEMENT WHICH COMPRISES COMPARTMENTALIZING THE SAID MOLECULAR SIEVE BED, HALTING THE FLOW OF FEED TO AT LEAST ONE OF THE SAID COMPARTMENTS IN THE SAID MOLECULAR SIEVE BED ZONE WHILE PASSING FEED INTO THE REMAINING COMPARTMENTS TO ADSORB THE ADSORBABLE COMPONENTS OF THEFEED IN SAID BEDS, PASSING THE SAID DISPLACING AGENT THROUGH ALL OF SAID COMPARTMENTALIZED ZONES AND CONTINUING THIS PROCEDURE FOR AT LEAST 5 CYCLES UNTIL THE DEACTIVATING AMOUNT OF CONTAMINANT IS REMOVED.
Claim 2
Dependent Claim 154 words
IN A MOLECULAR SIEVE SEPARATION PROCESS WHEREIN A FEEDSTOCK, AT LEAST A PORTION OF WHICH IS ADSORBABLE, IS PASSED THROUGH A MOLECULAR SIEVE SEPARATION ZONE WHEREBY THE SAID ABSORBABLE PORTION IS ADSORBED ONTO THE MOLECULAR SIEVE, HALTING THE FLOW OF SAID FEEDSTOCK, THEN DESORBING THE SAID ADSORBED COMPONENT BY MEANS OF A DISPLACING AGENT AND THE CYCLE CONTINUED UNTIL THE SAID MOLECULAR SIEVE CONTAINS A DEACTIVATING AMOUNT OF A STRONGLY ADSORBED CONTAMINANT WHICH SERVES TO REDUCE ITS ADSORPTIVE CAPACITY, THE IMPROVEMENT WHICH COMPRISES COMPARTMENTALIZING THE SAID MOLECULAR SIEVE BED, HALTING THE FLOW OF FEED TO AT LEAST ONE OF THE SAID COMPARTMENTS IN THE SAID MOLECULAR SIEVE BED ZONE WHILE PASSING FEED INTO THE REMAINING COMPARTMENTS TO ADSORB THE ADSORBABLE COMPONENTS OF THEFEED IN SAID BEDS, PASSING THE SAID DISPLACING AGENT THROUGH ALL OF SAID COMPARTMENTALIZED ZONES AND CONTINUING THIS PROCEDURE FOR AT LEAST 5 CYCLES UNTIL THE DEACTIVATING AMOUNT OF CONTAMINANT IS REMOVED.

References Cited (Backward Citations)

US2938864A Cited
US2996558A Cited
US2881862A Cited
US3131232A Cited
US3201491A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-16 1971-04-17 1971-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-16 1975-04-17 1975-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-16 1979-04-17 1979-10-17 $7700.00 Window Closed / Lapsed

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