US3345286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing nitrogen with cobalt-rare earth and group vi catalyst
Assignee: Sinclair Research Inc
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Filing: 1965-08-26
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Granted: 1967-10-03
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Expires: 1985-08-26
Abstract
No abstract record available.
Inventors
- 👤 Stephen M Kovach
- 👤 Edward S Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:35
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06; C10G45/08; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR HYDROEFINING NITROGEN-CONTAMINATED MINRAL HYDROCARBONS WHICH CONSISTS ESSENTIALLY OF CONTACTING SAID HYDROCARBONS AT A TEMPERATURE OF ABOUT 400 TO 800*F. WITH MOLECULAR HYDROGEN UNDER HYDROGENATION CONDITIONS IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A CALCINED COMPOSITION CONTAINING MINOR, CATALYTICALLY EFFECTIVE AMOUNTS OF (1) COBALT, (2) A PROMOTOR SELECTED FROM THE GROUP CONSISTING OF CERIUM AND THORIUM AND (3) A METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM AND TUNGSTEN, ON A PREDOMINANTLY ALUMINA SUPPRT.
Claim 2
Dependent Claim
78 words
A PROCESS FOR HYDROEFINING NITROGEN-CONTAMINATED MINRAL HYDROCARBONS WHICH CONSISTS ESSENTIALLY OF CONTACTING SAID HYDROCARBONS AT A TEMPERATURE OF ABOUT 400 TO 800*F. WITH MOLECULAR HYDROGEN UNDER HYDROGENATION CONDITIONS IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF A CALCINED COMPOSITION CONTAINING MINOR, CATALYTICALLY EFFECTIVE AMOUNTS OF (1) COBALT, (2) A PROMOTOR SELECTED FROM THE GROUP CONSISTING OF CERIUM AND THORIUM AND (3) A METAL SELECTED FROM THE GROUP CONSISTING OF MOLYBDENUM AND TUNGSTEN, ON A PREDOMINANTLY ALUMINA SUPPRT.
References Cited (Backward Citations)
US2897135A
Cited
US2864363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |