US2848377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platinum catalyst composite employed in the hydroforming of a naphtha
Assignee: Standard Oil Co
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Filing: 1953-10-19
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Granted: 1958-08-19
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Expires: 1973-10-19
Abstract
No abstract record available.
Inventors
- 👤 Glenn M Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:37
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/46; B01J23/468; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A HYDROFORMING PROCESS WHICH COMPRISES THE STEPS OF CONTACTING A PETROLEUM NAPHTHA BOILING BETWEEN ABOUT 180 AND 374*F. WITH A CATALYST CONSISTING ESSENTIALLY OF ALUMINA, BETWEEN ABOUT 0.1 AND 1 PERCENT BY WEIGHT OF PLATINUM AND BETWEEN ABOUT 0.1 AND 1 PERCENT BY WEIGHT OF IRIDIUM, BASED ON DRY AL2O3, AT A TEMPERATURE BETWEEN ABOUT 800 AND 150*F., A PRESSURE BETWEEN ABOUT 100 AND 1000 POUNDS PER SQUARE INCH GAGE, A HYDROGEN RATE GETWEEN ABOUT 1000 AND 10,000 STANDARD CUBIC FEET PER BARREL OF CHARGING STOCK, AND A LIQUID HOURLY SPACE VELOCITY BETWEEN ABOUT 1 AND 10, AND WITHDRAWING A HYDROFORMATE OF IMPROVED OCTANE NUMBER THEREFORM.
References Cited (Backward Citations)
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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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |