US2725341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid hydroforming
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1952-11-01
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Granted: 1955-11-29
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Expires: 1972-11-01
Abstract
No abstract record available.
Inventors
- 👤 Edward J Gornowski
- 👤 Jr Wilson C Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:19
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE METHOD OF HYDROFORMING NAPHTHAS IN A SYSTEM COMPRISING A REACTION ZONE AND A CATALYST REGENERATION ZONE IN WHICH A POWDERED HYDROFORMING CATALYST IS PRESENT IN THE FORM OF A DENSE FLUIDIZED BED IN EACH OF SAID ZONES AND FURTHER IN WHICH THE NAPHTHA IS TREATED IN THE PRESENCE OF THE HYDROFORMING CATALYST AND ADDED HYDROGEN UNDER HYDROFORMING CONDITIONS OF TEMPERATURE AND PRESSURE, AND THE CATALYST IS REGENERATED IN THE REGENERATION ZONE TREATMENT WITH AN OXYGEN-CONTAINING GAS WHEREBY HEAT IS PRODUCED, THE IMPROVEMENT WHICH COMPRISES TRANSFORMING THE HEAT FORMED DURING THE REGENERATION IN THE REGENERATION ZONE TO THE HYDROFORMING ZONE BY MIXING A POWDERED SHOT WITH THE CATALYST UNDERGOING REGENERATION IN THE REGENERATION ZONE, WHEREBY THE SHOT ACQUIRES A PORTION OF THE HEAT, WITHDRAWING A MIXTURE OF SHOT AND REGENERATED CATALYST FROM THE REGENERATION ZONE AND CONDUCTING IT TO A SEPARATE HEATING ZONE, WITHDRAWING REACTOR CATALYST FROM THE HYDROFORMING ZONE, MIXING THE
Claim 2
Independent Claim
152 words
THE METHOD OF HYDROFORMING NAPHTHAS IN A SYSTEM COMPRISING A REACTION ZONE AND A CATALYST REGENERATION ZONE IN WHICH A POWDERED HYDROFORMING CATALYST IS PRESENT IN THE FORM OF A DENSE FLUIDIZED BED IN EACH OF SAID ZONES AND FURTHER IN WHICH THE NAPHTHA IS TREATED IN THE PRESENCE OF THE HYDROFORMING CATALYST AND ADDED HYDROGEN UNDER HYDROFORMING CONDITIONS OF TEMPERATURE AND PRESSURE, AND THE CATALYST IS REGENERATED IN THE REGENERATION ZONE TREATMENT WITH AN OXYGEN-CONTAINING GAS WHEREBY HEAT IS PRODUCED, THE IMPROVEMENT WHICH COMPRISES TRANSFORMING THE HEAT FORMED DURING THE REGENERATION IN THE REGENERATION ZONE TO THE HYDROFORMING ZONE BY MIXING A POWDERED SHOT WITH THE CATALYST UNDERGOING REGENERATION IN THE REGENERATION ZONE, WHEREBY THE SHOT ACQUIRES A PORTION OF THE HEAT, WITHDRAWING A MIXTURE OF SHOT AND REGENERATED CATALYST FROM THE REGENERATION ZONE AND CONDUCTING IT TO A SEPARATE HEATING ZONE, WITHDRAWING REACTOR CATALYST FROM THE HYDROFORMING ZONE, MIXING THE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |