US3055814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Naphtha hydroforming by irradiation
Assignee: Pure Oil Co
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Filing: 1958-07-30
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Granted: 1962-09-25
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Expires: 1978-07-30
Abstract
No abstract record available.
Inventors
- 👤 Hillis O Folkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:47
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
THE METHOD OF HYDROFORMING CHARGING STOCK COMPOSED ESSENTIALLY OF STRAIGHT-RUN NAPHTHA BOILING IN THE RANGE OF ABOUT 250-400*F. TO HIGHER OCTANE NUMBER HIGHER AROMATIC CONTENT GASOLINE BOILING RANGE PRODUCT STOCK COMPRISING HEATING SAID NAPHTHA TO APPROXIMATELY THE THRESHOLD THERMAL DECOMPOSITION TEMPERATURE OF SAID NAPHTHA, SAID TEMPERATURE BEING IN THE RANGE OF 750 TO 850*F., AND CONTACTING SAID NAPHTHA, IN ADMIXTURE WITH HYDROGEN WHILE AT SAID TEMPERATURE, WITH A SOLID DEHYDROCYCLIZATION CATALYST WHILE SUBJECTING THE MIXTURE TO EXPOSURE TO HIGH ENERGY, IZONIZING RADIATION OF ABOUT 0.4 TO 20.0 M.E.V. ENERGY LEVEL IN A DOSE OF ABOUT 350,000 ROENTGENS PER HOUR, FOR A PERIOD OF 0.02 TO 50 HOURS.
Claim 2
Independent Claim
107 words
THE METHOD OF HYDROFORMING CHARGING STOCK COMPOSED ESSENTIALLY OF STRAIGHT-RUN NAPHTHA BOILING IN THE RANGE OF ABOUT 250-400*F. TO HIGHER OCTANE NUMBER HIGHER AROMATIC CONTENT GASOLINE BOILING RANGE PRODUCT STOCK COMPRISING HEATING SAID NAPHTHA TO APPROXIMATELY THE THRESHOLD THERMAL DECOMPOSITION TEMPERATURE OF SAID NAPHTHA, SAID TEMPERATURE BEING IN THE RANGE OF 750 TO 850*F., AND CONTACTING SAID NAPHTHA, IN ADMIXTURE WITH HYDROGEN WHILE AT SAID TEMPERATURE, WITH A SOLID DEHYDROCYCLIZATION CATALYST WHILE SUBJECTING THE MIXTURE TO EXPOSURE TO HIGH ENERGY, IZONIZING RADIATION OF ABOUT 0.4 TO 20.0 M.E.V. ENERGY LEVEL IN A DOSE OF ABOUT 350,000 ROENTGENS PER HOUR, FOR A PERIOD OF 0.02 TO 50 HOURS.
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) | 1965-09-24 | 1966-03-26 | 1966-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-24 | 1970-03-26 | 1970-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-24 | 1974-03-26 | 1974-09-25 | $7700.00 | Window Closed / Lapsed |