US3383306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodenitrification with vanadiaalumina catalyst support
Assignee: Sinclair Research Inc
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Filing: 1965-11-16
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Granted: 1968-05-14
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Expires: 1985-11-16
Abstract
No abstract record available.
Inventors
- 👤 Edward S Rogers
- 👤 Stephen M Kovach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:18
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/847; B01J23/8472; B01J23/16; B01J23/20; B01J23/22; C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR HYDROREFINING A NITROGEN-CONTAMINATED MINERAL OIL HYDROCARBON WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH MOLECULAR HYDROGEN UNDER HYDROGENATION CONDITIONS IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A NANADIA-ALUMINA SUPPORT CONTAINING ABOUT 5 TO 50%, BY WEIGHT OF THE CATALYST, OF VANADIA AND HAVING BEEN PREPARED BYCOPRECIPITATION, AND AT LEAST ONE PROMOTER SELECTED FROM THE GROUP CONSISTING OF THE METALS OF GROUPS VI-B, VII-B AND THE IRON SERIES OF GROUP VIII OF THE PERIODIC TABLE HAVING ATOMIC NUMBERS FROM 25 TO 75, INCLUSIVE.
Claim 2
Dependent Claim
85 words
A PROCESS FOR HYDROREFINING A NITROGEN-CONTAMINATED MINERAL OIL HYDROCARBON WHICH COMPRISES CONTACTING SAID HYDROCARBON WITH MOLECULAR HYDROGEN UNDER HYDROGENATION CONDITIONS IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A NANADIA-ALUMINA SUPPORT CONTAINING ABOUT 5 TO 50%, BY WEIGHT OF THE CATALYST, OF VANADIA AND HAVING BEEN PREPARED BYCOPRECIPITATION, AND AT LEAST ONE PROMOTER SELECTED FROM THE GROUP CONSISTING OF THE METALS OF GROUPS VI-B, VII-B AND THE IRON SERIES OF GROUP VIII OF THE PERIODIC TABLE HAVING ATOMIC NUMBERS FROM 25 TO 75, INCLUSIVE.
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |