Patent US2964577A successfully refreshed from Google Patents.
US2964577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activation of metals for hydrocarbon dehydrogenation
Assignee: ExxonMobil Oil Corp
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Filing: 1959-02-05
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Granted: 1960-12-13
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Expires: 1979-02-05
Abstract
No abstract record available.
Inventors
- 👤 Donald M Nace
- 👤 Stanley J Lucki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:31
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/324; B; B01; B01J; B01J23/00; B01J23/70
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
86 words
A PROCESS FOR IMPARTING HYDROCARBON DEHYDROGENATION ACTIVITY TO A MASSIVE METAL MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND MINOR PROPORTION OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND A MINOR PROPORTION OF MANGENESE WHICH COMPRISES CONTACTING THE SAME AT A TEMPERATURE OF BETWEEN ABOUT 800 AND ABOUT 1300*F. WITH AN ATMOSPHERE OF AMMONIA CONTAINING WATER IN AN AMOUNT CORRESPONDING TO A MOLAR RATIO OF AMMONIA TO WATER IN THE APPROXIMATE RANGE OF 3 TO 30.
Claim 2
Dependent Claim
86 words
A PROCESS FOR IMPARTING HYDROCARBON DEHYDROGENATION ACTIVITY TO A MASSIVE METAL MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND MINOR PROPORTION OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND A MINOR PROPORTION OF MANGENESE WHICH COMPRISES CONTACTING THE SAME AT A TEMPERATURE OF BETWEEN ABOUT 800 AND ABOUT 1300*F. WITH AN ATMOSPHERE OF AMMONIA CONTAINING WATER IN AN AMOUNT CORRESPONDING TO A MOLAR RATIO OF AMMONIA TO WATER IN THE APPROXIMATE RANGE OF 3 TO 30.
Claim 3
Dependent Claim
102 words
A PROCESS FOR DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON WHICH COMPRISES CONTACTING THE SAME UNDER DEHYDROGENATING CONDITIONS WITH A CATALYST CONSISTING ESSENTIALLY OF A MASSIVE METAL MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND MINOR PROPORTION OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND MINOR PROPORTION OF MANGANESE, SAID CATALYST HAVING BEEN ACTIVATED BY CONTACT THE SAME AT A TEMPERATURE OF BETWEEN ABOUT 800 AND ABOUT 1300*F. WITH AN ATMOSPHERE OF AMMONIA CONTAINING WATER IN AN AMOUNT CORRESPONDING TO A MOLAR RATIO OF AMMONIA TO WATER IN THE APPROXIMATE RANGE OF 3 TO 30.
Claim 4
Dependent Claim
102 words
A PROCESS FOR DEHYDROGENATING A DEHYDROGENATABLE HYDROCARBON WHICH COMPRISES CONTACTING THE SAME UNDER DEHYDROGENATING CONDITIONS WITH A CATALYST CONSISTING ESSENTIALLY OF A MASSIVE METAL MATERIAL SELECTED FROM THE GROUP CONSISTING OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND MINOR PROPORTION OF NICKEL, ALLOYS COMPRISING A MAJOR PROPORTION OF IRON AND MINOR PROPORTION OF MANGANESE, SAID CATALYST HAVING BEEN ACTIVATED BY CONTACT THE SAME AT A TEMPERATURE OF BETWEEN ABOUT 800 AND ABOUT 1300*F. WITH AN ATMOSPHERE OF AMMONIA CONTAINING WATER IN AN AMOUNT CORRESPONDING TO A MOLAR RATIO OF AMMONIA TO WATER IN THE APPROXIMATE RANGE OF 3 TO 30.
References Cited (Backward Citations)
DE408811C
Cited
US2752289A
Cited
US2730556A
Cited
US2849377A
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US2814650A
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US2851400A
Cited
US2872492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |