US2742515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation catalyst and process
Assignee: Sunoco Inc
•
Filing: 1952-05-28
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Granted: 1956-04-17
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Expires: 1972-05-28
Abstract
No abstract record available.
Inventors
- 👤 Archibald P Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:45
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/322
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
PROCESS FOR THE DEHYDROGENATION OF HYDROCARBONS BOILING IN THE GASOLINE RANGE WHICH COMPRISES CONTACTING SAID HYDROCARBONS UNDER HYDROGENATING CONDITIONS WITH A CATALYTIC COMPOSITION COMPRISING A CARRIER SELECTED FROM THE GROUP CONSISTING OF BAUXITE, ALUMINA, SILICA GEL, MIXTURES OF ALUMINA AND SILICA GEL, AND A SPENT CRACKING CATALYST HAVING DEPOSITED THEREON FROM 2% TO 20% OF A METALLIC OXIDE, DEHYDROGENATING CATALYST SELECTED FROM THE GROUP CONSISTING OF CHROMIUM OXIDE, MOLYBDENUM OXIDE, TUNGSTEN OXIDE, COPPER OXIDE, ZINC OXIDE AND VANADIUM OXIDE AND HAVING CHEMISORBED THEREON, IN AN AMOUNT EFFECTIVE TO INCREASE DEHYDROGENATING ACTIVITY, AN ORGANIC NITROGENOUS BASE HAVING FROM 4 TO 16 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
104 words
PROCESS FOR THE DEHYDROGENATION OF HYDROCARBONS BOILING IN THE GASOLINE RANGE WHICH COMPRISES CONTACTING SAID HYDROCARBONS UNDER HYDROGENATING CONDITIONS WITH A CATALYTIC COMPOSITION COMPRISING A CARRIER SELECTED FROM THE GROUP CONSISTING OF BAUXITE, ALUMINA, SILICA GEL, MIXTURES OF ALUMINA AND SILICA GEL, AND A SPENT CRACKING CATALYST HAVING DEPOSITED THEREON FROM 2% TO 20% OF A METALLIC OXIDE, DEHYDROGENATING CATALYST SELECTED FROM THE GROUP CONSISTING OF CHROMIUM OXIDE, MOLYBDENUM OXIDE, TUNGSTEN OXIDE, COPPER OXIDE, ZINC OXIDE AND VANADIUM OXIDE AND HAVING CHEMISORBED THEREON, IN AN AMOUNT EFFECTIVE TO INCREASE DEHYDROGENATING ACTIVITY, AN ORGANIC NITROGENOUS BASE HAVING FROM 4 TO 16 CARBON ATOMS PER MOLECULE.
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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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |