US2944013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing metal-free petroleum stocks by hydrogenation
Assignee: Universal Oil Products Co
•
Filing: 1957-12-09
•
Granted: 1960-07-05
•
Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 Donald L Holden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:23
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G69/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PROCESS FOR PRODUCING A METAL-FREE HYDROCARBON DISTILLATE FROM A PETROLEUM CHARGE WHICH COMPRISES FRACTIONATING SAID PETROLEUM CHARGE TO OBTAIN A LOWER BOILING METAL-FREE FRACTION AND A BOTTOMS FRACTION, FRACTIONATING SAID BOTTOMS FRACTION TO OBTAIN A HIGHER BOILING METALCONTAINING RESIDUE AND AN OVERHEAD FRACTION BOILING IN THE RANGE OF ABOUT 370*C. TO ABOUT 450*C. AND CONTAINING METAL COMPOUNDS REMOVABLE BY HYDROTREATING, COMMINGLING SAID OVERHEAD FRACTION WITH HYDROGEN AND SUBJECTING IT TO HYDROTREATING AT A TEMPERATURE OF FROM ABOUT 350*C. TO ABOUT 500*C. AND A PRESSURE IN EXCESS OF 200 P.S.I. IN THE PRESENCE OF A CATALYST COMPRISING A POROUS REFRACTORY CARRIER AND A METAL HAVING HYDROGENATION CATALYST ACTIVITY AND RECOVERING A SECOND METAL-FREE FRACTION RESULTING FROM SAID HYDROTREATING.
Claim 2
Dependent Claim
118 words
A PROCESS FOR PRODUCING A METAL-FREE HYDROCARBON DISTILLATE FROM A PETROLEUM CHARGE WHICH COMPRISES FRACTIONATING SAID PETROLEUM CHARGE TO OBTAIN A LOWER BOILING METAL-FREE FRACTION AND A BOTTOMS FRACTION, FRACTIONATING SAID BOTTOMS FRACTION TO OBTAIN A HIGHER BOILING METALCONTAINING RESIDUE AND AN OVERHEAD FRACTION BOILING IN THE RANGE OF ABOUT 370*C. TO ABOUT 450*C. AND CONTAINING METAL COMPOUNDS REMOVABLE BY HYDROTREATING, COMMINGLING SAID OVERHEAD FRACTION WITH HYDROGEN AND SUBJECTING IT TO HYDROTREATING AT A TEMPERATURE OF FROM ABOUT 350*C. TO ABOUT 500*C. AND A PRESSURE IN EXCESS OF 200 P.S.I. IN THE PRESENCE OF A CATALYST COMPRISING A POROUS REFRACTORY CARRIER AND A METAL HAVING HYDROGENATION CATALYST ACTIVITY AND RECOVERING A SECOND METAL-FREE FRACTION RESULTING FROM SAID HYDROTREATING.
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) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |