US2959537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid hydroforming process and apparatus
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-10-01
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Granted: 1960-11-08
•
Expires: 1977-10-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert B Welty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:14
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A FLUIDIZED CATALYTIC HYDROFORMING PROCESS COMPRISNG HYDROFORMING NAPHTHA IN THE PRESENDE OF HYDROGEN CONTAINING GAS IN A REACTOR VESSEL CONTAINING A FLUIDIZED BED OF REDUCIBLE METAL OXIDE CATALYST, CONTINUOUSLY WITHDRAWING THE HYDROFORMED NAPHTHA AND THE HYDROGEN-CONTAINING GAS FROM THE REACTOR VESSEL, RECYCLING THE HYDROGEN-CONTAINING GAS TO THE LOWER PORTION OF THE REACTION VESSEL, CONTINUOUSLY WITHDRAWING THE DEACTIVATED CATALYST FROM THE REACTOR VESSEL, PASSING THE DFEACTIVATED CATALYST TO A REGENERATOR VESSEL WHEREIN CARBONACEOUS DEPOSITS ARE BURNED FROM THE DEACTIVATED CATALYST AND RECYCLING THE REGENERATED CATALYST TO THE REACTOR VESSEL, THE IMPROVEMENT WHEREIN THE REGENERATED CATALYST IS RECYCLED TO THE LOWER PORTION OF THE FLUIDIZED BED OF CATALYST IN THE REACTOR VESSEL AND INJECTED INTO SAID BED AT A VELOCITY IN THE RANGE OF ABOUT 25 TO 50 FEET PER SECOND IN CLOSE PROXIMITY TO THE INCOMING STREAM OF HYDROGEN-CONTAINING GAS BELOW THE LEVEL AT WHICH THE NAPHTHA FEED IS INTRODUCED.
Claim 2
Dependent Claim
150 words
IN A FLUIDIZED CATALYTIC HYDROFORMING PROCESS COMPRISNG HYDROFORMING NAPHTHA IN THE PRESENDE OF HYDROGEN CONTAINING GAS IN A REACTOR VESSEL CONTAINING A FLUIDIZED BED OF REDUCIBLE METAL OXIDE CATALYST, CONTINUOUSLY WITHDRAWING THE HYDROFORMED NAPHTHA AND THE HYDROGEN-CONTAINING GAS FROM THE REACTOR VESSEL, RECYCLING THE HYDROGEN-CONTAINING GAS TO THE LOWER PORTION OF THE REACTION VESSEL, CONTINUOUSLY WITHDRAWING THE DEACTIVATED CATALYST FROM THE REACTOR VESSEL, PASSING THE DFEACTIVATED CATALYST TO A REGENERATOR VESSEL WHEREIN CARBONACEOUS DEPOSITS ARE BURNED FROM THE DEACTIVATED CATALYST AND RECYCLING THE REGENERATED CATALYST TO THE REACTOR VESSEL, THE IMPROVEMENT WHEREIN THE REGENERATED CATALYST IS RECYCLED TO THE LOWER PORTION OF THE FLUIDIZED BED OF CATALYST IN THE REACTOR VESSEL AND INJECTED INTO SAID BED AT A VELOCITY IN THE RANGE OF ABOUT 25 TO 50 FEET PER SECOND IN CLOSE PROXIMITY TO THE INCOMING STREAM OF HYDROGEN-CONTAINING GAS BELOW THE LEVEL AT WHICH THE NAPHTHA FEED IS INTRODUCED.
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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) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |