US2992985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroforming of a naphtha with a rhodium composite catalyst
Assignee: Union Oil Company of California
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Filing: 1951-03-05
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Granted: 1961-07-18
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Expires: 1971-03-05
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Doumani
- 👤 Hal C Huffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:36
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A PROCESS FOR THE CATALYTIC HYDROFORMING OF GASOLINE WHICH COMPRISES CONTACTING SAID GASOLINE, IN ADMIXTURE WITH BETWEEN ABOUT 500 AND 10,000 S.C.F. OF HYDROGEN PER BARREL OF FEED, WITH A CATALYST COMPRISING A MAJOR PROPORTION OF AN ACTIVATED GEL-TYPE ALUMINA CARRIER AND A MINOR PROPORTION OF RHODIUM, SAID CONTACTING BEING CARRIED OUT AT A TEMPERATURE BETWEEN ABOUT 700* AND 1000*F., A PRESSURE BETWEEN ABOUT 0 AND 2000 P.S.I.G. AND A FEED RATE BETWEEN ABOUT 0.2 AND 10 LIQUID VOLUMES PER VOLUME OF CATALYST PER HOUR.
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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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |