US3761390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous reforming regeneration process
Assignee: Universal Oil Products Co
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Filing: 1971-10-19
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Granted: 1973-09-25
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Expires: 1991-10-19
Abstract
Abstract A METHOD OF OPERATING A CONTINUOUS REFORMING-REGENEREATION PROCESS COMPRISING ONE OR MORE REFORMING REACTORS AND EMPLOYING A PLATINUM CATALYST WHEREIN CATALYST ACTIVITY IS MAINTAINED AT A PREDETERMINED LEVEL BY CONTINUOUS REGENERATION THEREOF WITHOUT THE REMOVAL OF ANY REACTOR FROM THE PROCESS STREAM.
Inventors
- 👤 A Greenwood
- 👤 K Vesely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:38
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; B01J8/125; B01J23/00; B01J23/90; B01J23/96; C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |