US3205165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrorefining process
Assignee: Universal Oil Products Co
•
Filing: 1963-08-23
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Granted: 1965-09-07
•
Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Hilfman Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:46
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J21/00; B01J21/02; B01J21/04; B01J23/16; B01J23/24; B01J23/28; B01J23/38; B01J23/54; B01J23/56; B01J23/64; B01J23/652; B01J23/6525; B01J23/90; C; C10; C10G; C10G45/00; C10G45/02; C10G45/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A METHOD OF HYDROEFINING A NITROGENOUS PETROLEUM FRACTION BOILING IN THE RANGE OF FROM ABOUT 400*F. TO ABOUT 1200*F. AND CONTAINING IN EXCESS OF ABOUT 1 P.P.M. NITROGEN, WHICH METHOD COMPRISES TREATING SAID PETROLEUM FRACTION IN ADMIXTURE WITH HYDROGEN AT HYDROEFINING CONDITIONS IN CONTACT WITH A HYDROEFINING CATALYST COMPRISING A COMPOSITE PREPARED BY COMMINGLING A SOLUTION OF A COMPOUND OF MOLYBDEUM AND A SOLUTION OF A COMPOUND OF AT LEAST ONE METAL FROM GROUPS IIIA AND IVB OF THE PERIODIC TABLE AT A PH OF FROM ABOUT 3.8 TO ABOUT 7 AND FORMING A COPRECIPITATE, CALCINING THE COPRECIPITATE, THE AMOUNT OF SAID MOLYBDEUM COMPOUND BEING SUFFICIENT TO FORM A CALCINED COPRECIPITATE CONTAINING ABOUT 40 WT. PERCENT MOLYBDEUM AS MOLYBDEUM OXIDE, AND IMPREGNATING SAID CALCINED COPRECIPITATE WITH FURTHER AMOUNTS OF MOLYBDENUM BY CONTACTING THE SAME WITH A SOLUTION OF A COMPOUND OF MOLYBDENUM, THE CONCENTRATION OF SAID SOLUTION BEING SUCH AS TO INSURE A FINAL CALCINED COMPOSITE CONTAINING ABOUT 50 WT. PERCENT MOLYBDENUM AS MOLYBDENUM OXIDE.
Claim 2
Independent Claim
165 words
A METHOD OF HYDROEFINING A NITROGENOUS PETROLEUM FRACTION BOILING IN THE RANGE OF FROM ABOUT 400*F. TO ABOUT 1200*F. AND CONTAINING IN EXCESS OF ABOUT 1 P.P.M. NITROGEN, WHICH METHOD COMPRISES TREATING SAID PETROLEUM FRACTION IN ADMIXTURE WITH HYDROGEN AT HYDROEFINING CONDITIONS IN CONTACT WITH A HYDROEFINING CATALYST COMPRISING A COMPOSITE PREPARED BY COMMINGLING A SOLUTION OF A COMPOUND OF MOLYBDEUM AND A SOLUTION OF A COMPOUND OF AT LEAST ONE METAL FROM GROUPS IIIA AND IVB OF THE PERIODIC TABLE AT A PH OF FROM ABOUT 3.8 TO ABOUT 7 AND FORMING A COPRECIPITATE, CALCINING THE COPRECIPITATE, THE AMOUNT OF SAID MOLYBDEUM COMPOUND BEING SUFFICIENT TO FORM A CALCINED COPRECIPITATE CONTAINING ABOUT 40 WT. PERCENT MOLYBDEUM AS MOLYBDEUM OXIDE, AND IMPREGNATING SAID CALCINED COPRECIPITATE WITH FURTHER AMOUNTS OF MOLYBDENUM BY CONTACTING THE SAME WITH A SOLUTION OF A COMPOUND OF MOLYBDENUM, THE CONCENTRATION OF SAID SOLUTION BEING SUCH AS TO INSURE A FINAL CALCINED COMPOSITE CONTAINING ABOUT 50 WT. PERCENT MOLYBDENUM AS MOLYBDENUM OXIDE.
References Cited (Backward Citations)
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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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |