US3148228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation of saturated hydrocarbons
Assignee: Monsanto Co
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Filing: 1961-04-18
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Granted: 1964-09-08
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Expires: 1981-04-18
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Franz
- 👤 Richard N Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:43
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/72; C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/322; C07C5/327; C07C5/333; C07C5/3332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR THE DEHYDROGENATION OF C10 TO C20 N-PARAFFIN HYDROCARBONS COMPRISING CONTACTING A FEED CONTAINING AT LEAST ONE OF SUCH HYDROCRABONS WITH A CATALYST CONSISTING OF 0.5 TO 30 PERCENT BY WEIGHT OF COPPER, AS ITS OXIDE, AND 70 TO 99.5 PERCENT BY WEIGHT OF AN ALUMINA HAVING A SURFACE AREA OF 50 TO 300 SQUARE METERS PER GRAM AND PORE DIAMETERS OF 40 TO 400 ANGSTOMS, THE CONTACT BEING CARRIED OUT AT A SPACE VELOCITY OF 1.0 TO 20.0 LIQUID VOLUMES OF HYDROCARBON FEED PER HOUR PER VOLUME OF CATALYST AND AT A TEMPERATURE OF 450 TO 600*C. AND AT A PRESSURE OF APPROXIMATELY 0.01 TO 30 ATMOSPHERES.
Claim 2
Dependent Claim
110 words
A PROCESS FOR THE DEHYDROGENATION OF C10 TO C20 N-PARAFFIN HYDROCARBONS COMPRISING CONTACTING A FEED CONTAINING AT LEAST ONE OF SUCH HYDROCRABONS WITH A CATALYST CONSISTING OF 0.5 TO 30 PERCENT BY WEIGHT OF COPPER, AS ITS OXIDE, AND 70 TO 99.5 PERCENT BY WEIGHT OF AN ALUMINA HAVING A SURFACE AREA OF 50 TO 300 SQUARE METERS PER GRAM AND PORE DIAMETERS OF 40 TO 400 ANGSTOMS, THE CONTACT BEING CARRIED OUT AT A SPACE VELOCITY OF 1.0 TO 20.0 LIQUID VOLUMES OF HYDROCARBON FEED PER HOUR PER VOLUME OF CATALYST AND AT A TEMPERATURE OF 450 TO 600*C. AND AT A PRESSURE OF APPROXIMATELY 0.01 TO 30 ATMOSPHERES.
References Cited (Backward Citations)
US2664451A
Cited
US2985596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |