US2694671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydrogenation process
Assignee: Standard Oil Development Co
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Filing: 1950-09-01
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Granted: 1954-11-16
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Expires: 1970-09-01
Abstract
No abstract record available.
Inventors
- 👤 Peter K Baumgarten
- 👤 Edward J Hoffmann
- 👤 Edward F Wadley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:20
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/32; C10G45/34; C10G45/36; C10G45/38; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR HYDROGENATING A CRACKED NAPHTHA CONTAINING MONO- AND DI-OLEFINS TO IMPROVE THE QUALITY THEREOF FOR USE AS A MOTOR FUEL WHICH COMPRISES CONTACTING SAID CRACKED NAPHTHA WITH A NICKEL-TUNGSTEN SULFIDE CATALYST AT A TEMPERATURE IN THE RANGE BETWEEN 500* AND 600* F. AT A PRESSURE IN THE RANGE BETWEEN 15 AND 500 POUNDS PER SQUARE INCH GAUGE AND AT A LIQUID SPACE VELOCITY IN THE RANGE BETWEEN 3 AND 12 V./V./HOUR IN THE PRESENCE OF A SUFFICIENT AMOUNT OF A HYDROGEN-CONTAINING
Claim 2
Independent Claim
83 words
A METHOD FOR HYDROGENATING A CRACKED NAPHTHA CONTAINING MONO- AND DI-OLEFINS TO IMPROVE THE QUALITY THEREOF FOR USE AS A MOTOR FUEL WHICH COMPRISES CONTACTING SAID CRACKED NAPHTHA WITH A NICKEL-TUNGSTEN SULFIDE CATALYST AT A TEMPERATURE IN THE RANGE BETWEEN 500* AND 600* F. AT A PRESSURE IN THE RANGE BETWEEN 15 AND 500 POUNDS PER SQUARE INCH GAUGE AND AT A LIQUID SPACE VELOCITY IN THE RANGE BETWEEN 3 AND 12 V./V./HOUR IN THE PRESENCE OF A SUFFICIENT AMOUNT OF A HYDROGEN-CONTAINING
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) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |