US2944008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controlling heat fronts in platinum catalyst hydroforming
Assignee: American Oil Co
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Filing: 1957-05-31
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Granted: 1960-07-05
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Expires: 1977-05-31
Abstract
No abstract record available.
Inventors
- 👤 Manford R Haxton
- 👤 Jr Walker F Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:49
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A PLATINUM-CATALYST NAPHTHA REFORMING SYSTEM INCLUDING LEAD, INTERMEDIATE, AND TAIL REACTORS, HEATING ZONES, A GAS SEPARATION ZONE, A COMPRESSOR AND LINES FOR RECYCLING HYDROGEN-RICH SEPARATED GAS, THE METHOD OF BRINGIG A REACTOR CONTAINING NEW OR REGENERATED PLATINUM CATALYST ON-STREAM AT REFORMING TEMPERATURES WHICH COMPRISES PURGING SAID REACTOR WITH FLUES GAS TO REMOVE
Claim 2
Dependent Claim
53 words
IN A PLATINUM-CATALYST NAPHTHA REFORMING SYSTEM INCLUDING LEAD, INTERMEDIATE, AND TAIL REACTORS, HEATING ZONES, A GAS SEPARATION ZONE, A COMPRESSOR AND LINES FOR RECYCLING HYDROGEN-RICH SEPARATED GAS, THE METHOD OF BRINGIG A REACTOR CONTAINING NEW OR REGENERATED PLATINUM CATALYST ON-STREAM AT REFORMING TEMPERATURES WHICH COMPRISES PURGING SAID REACTOR WITH FLUES GAS TO REMOVE
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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |