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US2756247A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for chemical reaction in the adsorbed phase of solid adsorbents

Assignee: Union Oil Company of California
•
Filing: 1949-01-21
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Granted: 1956-07-24
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Expires: 1969-01-21
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Ivor J James
  • 👤 Art C Mckinnis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:54
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/54; C07C2/56; C07C2/58; C07C2/62

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 133 words
AN IMPROVED CONTINUOUS PROCESS FOR CARRYING OUT CHEMICAL REACTANT BETWEEN GASEOUS OR VAPOROUS REACTANTS, WHICH REACTIONS ARE FAVORABLY EFFECTED BY THE APPLICATION OF PRESSURES WHICH PROCESS COMPRISES FIRST CONTACTING THE LESS READILY ADSORBABLE REACTANT WITH A MOVING BED OF SOLID GRANULAR ADSORBENT WHICH IS IMPREGNATED WITH A CATALYTIC MATERIAL FAVORABLY EFFECTING THE RATE OF SAID CHEMICAL REACTION AND WHICH IS MAINTAINED AT REACTION TEMPERATURE, SECOND CONTACTING THE MOVING BED OF ADSORBENT CONTAINING THE LESS READILY ADSORBABLE REACTANT ADSORBED THEREON WITH A MORE READILY ADSORBABLE REACTANT AND THEREBY REACTING THE TWO IN THE ADSORBED PHASE ON THE ADSORBENT, SUBSEQUENTLY INDIRECTLY HEATING THE MOVING BED OF ADSORBENT WHILE COUNTERCURRENTLY CONTACTING THE SAME WITH A STRIPPING GAS TO DESORB THE REACTION PRODUCT, AND RETURNING THE MOVING BED OF ADSORBENT TO CONTACT FURTHER QUANTITIES OF SAID REACTANTS.
Claim 2
Dependent Claim 133 words
AN IMPROVED CONTINUOUS PROCESS FOR CARRYING OUT CHEMICAL REACTANT BETWEEN GASEOUS OR VAPOROUS REACTANTS, WHICH REACTIONS ARE FAVORABLY EFFECTED BY THE APPLICATION OF PRESSURES WHICH PROCESS COMPRISES FIRST CONTACTING THE LESS READILY ADSORBABLE REACTANT WITH A MOVING BED OF SOLID GRANULAR ADSORBENT WHICH IS IMPREGNATED WITH A CATALYTIC MATERIAL FAVORABLY EFFECTING THE RATE OF SAID CHEMICAL REACTION AND WHICH IS MAINTAINED AT REACTION TEMPERATURE, SECOND CONTACTING THE MOVING BED OF ADSORBENT CONTAINING THE LESS READILY ADSORBABLE REACTANT ADSORBED THEREON WITH A MORE READILY ADSORBABLE REACTANT AND THEREBY REACTING THE TWO IN THE ADSORBED PHASE ON THE ADSORBENT, SUBSEQUENTLY INDIRECTLY HEATING THE MOVING BED OF ADSORBENT WHILE COUNTERCURRENTLY CONTACTING THE SAME WITH A STRIPPING GAS TO DESORB THE REACTION PRODUCT, AND RETURNING THE MOVING BED OF ADSORBENT TO CONTACT FURTHER QUANTITIES OF SAID REACTANTS.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-07-24 1960-01-23 1960-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-07-24 1964-01-23 1964-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-07-24 1968-01-23 1968-07-24 $7700.00 Window Closed / Lapsed

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