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US2763597A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid hydroforming process

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-01-04
•
Granted: 1956-09-18
•
Expires: 1974-01-04
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Abstract

No abstract record available.

Inventors

  • 👤 Homer Z Martin
  • 👤 Lloyd A Nicolai
  • 👤 Jr Lawrence E Swabb

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:37
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14; Y; Y10; Y10S; Y10S159/00; Y10S159/03; Y10S159/17

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 129 words
A METHOD OF CARRYING OUT ENDOTHERMIC HYDROCARBON CONVERSION REACTIONS WHICH COMPRISES CONTACTING VAPOROUS REACTANTS WITH A MIXTURE OF A MAJOR PROPORTION OF FINELY DIVIDED SOLID CATALYST PARTICLES AND A MINOR PROPORTION OF INERT, HEAT-TRANSFER SOLID PARTICLES OF GREATER DENSITY AND LARGER AVERAGE PARTICLE SIZE THAN SAID CATALYST PARTICLES IN A MAIN REACTION ZONE, CONTROLLING THE VAPOR VELOCITIES THROUGH SAID MIXTURES IN ORDER TO FORM A DENSE FLUIDIZED BED OF CATALYST PARTICLES IN SAID MAIN REACTION ZONE WITHOUT SUBSTANTIALLY INTERFERING WITH THE PASSAGE OF THE INERT HEAT TRANSFER SOLID PARTICLES DOWNWARDLY THROUGH THE FLUIDIZED BED, DISCHARGING A MIXTURE OF INERT HEAT TRANSFER SOLIDS AND CATALYST FROM THE BOTTOM OF SAID DENSE FLUIDIZED BED INTO A SETTLING ZONE OF SMALLER CROSS SECTIONAL AREA THAN AND ARRANGED DIRECTLY BENEATH SAID MAIN REACTION
Claim 2
Independent Claim 129 words
A METHOD OF CARRYING OUT ENDOTHERMIC HYDROCARBON CONVERSION REACTIONS WHICH COMPRISES CONTACTING VAPOROUS REACTANTS WITH A MIXTURE OF A MAJOR PROPORTION OF FINELY DIVIDED SOLID CATALYST PARTICLES AND A MINOR PROPORTION OF INERT, HEAT-TRANSFER SOLID PARTICLES OF GREATER DENSITY AND LARGER AVERAGE PARTICLE SIZE THAN SAID CATALYST PARTICLES IN A MAIN REACTION ZONE, CONTROLLING THE VAPOR VELOCITIES THROUGH SAID MIXTURES IN ORDER TO FORM A DENSE FLUIDIZED BED OF CATALYST PARTICLES IN SAID MAIN REACTION ZONE WITHOUT SUBSTANTIALLY INTERFERING WITH THE PASSAGE OF THE INERT HEAT TRANSFER SOLID PARTICLES DOWNWARDLY THROUGH THE FLUIDIZED BED, DISCHARGING A MIXTURE OF INERT HEAT TRANSFER SOLIDS AND CATALYST FROM THE BOTTOM OF SAID DENSE FLUIDIZED BED INTO A SETTLING ZONE OF SMALLER CROSS SECTIONAL AREA THAN AND ARRANGED DIRECTLY BENEATH SAID MAIN REACTION

References Cited (Backward Citations)

US2271148A Cited
US2393636A Cited
US2446247A Cited
US2483485A Cited
US2663676A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-09-18 1960-03-19 1960-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-09-18 1964-03-19 1964-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-09-18 1968-03-19 1968-09-18 $7700.00 Window Closed / Lapsed

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