US2656304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous fluid hydroforming
Assignee: Standard Oil Development Co
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Filing: 1951-02-28
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Granted: 1953-10-20
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Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert E Macpherson
- 👤 Jr Otto Schricker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:25
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
THE METHOD OF HYDROFORMING NAPHTHA CONTAINING A SUBSTANTIAL AMOUNT OF NAPHTHENIC HYDROCARBONS WHICH COMPRISES FEEDING THE SAID NAPHTHA TO REACTION ZONE SIMULTANEOUSLY FEEDING TO SAID REACTION ZONE A HYDROGEN-CONTAINING GAS, THE AMOUNT OF HYDROGEN-CONTAINING GAS BEING FROM ABOUT 5500-7500 CU. FT. PER BARREL OF OIL, THE SAID HYDROGEN-CONTAINING GAS HAVING A CONCENTRATION OF FROM 55-75% HYDROGEN, MAINTAINING IN SAID REACTION ZONE A FLUIDIZED BED OF HYDROFORMING CATALYST COMPRISING ESSENTIALLY A
Claim 2
Independent Claim
70 words
THE METHOD OF HYDROFORMING NAPHTHA CONTAINING A SUBSTANTIAL AMOUNT OF NAPHTHENIC HYDROCARBONS WHICH COMPRISES FEEDING THE SAID NAPHTHA TO REACTION ZONE SIMULTANEOUSLY FEEDING TO SAID REACTION ZONE A HYDROGEN-CONTAINING GAS, THE AMOUNT OF HYDROGEN-CONTAINING GAS BEING FROM ABOUT 5500-7500 CU. FT. PER BARREL OF OIL, THE SAID HYDROGEN-CONTAINING GAS HAVING A CONCENTRATION OF FROM 55-75% HYDROGEN, MAINTAINING IN SAID REACTION ZONE A FLUIDIZED BED OF HYDROFORMING CATALYST COMPRISING ESSENTIALLY A
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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |