US2884369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of metal contaminants from a hydrocarbon feed
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-03-01
•
Granted: 1959-04-28
•
Expires: 1975-03-01
Abstract
No abstract record available.
Inventors
- 👤 Mattox William Judson
- 👤 Jr Charles Newton Kimberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:14
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/06; C10G25/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A COMBINATION REFINING PROCESS IN WHICH A CRUDE PETROLEUM OIL IS FRACTIONATED TO PROVIDE A HEAVY GAS OIL FRACTION INCLUDING CONSTITUENTS BOILING ABOVE ABOUT 900* F., AND A RESIDUAL OIL FRACTION, SAID RESIDUAL OIL FRACTION BEING SUBJECTED TO A COKING OPERATION PRODUCING COKE AND A SECOND HEAVY GAS OIL BOILING ABOVE ABOUT 900*F., ACTIVATING SAID COKE TO PRODUCE AN ACTIVATED CARBON HAV-
Claim 2
Dependent Claim
62 words
A COMBINATION REFINING PROCESS IN WHICH A CRUDE PETROLEUM OIL IS FRACTIONATED TO PROVIDE A HEAVY GAS OIL FRACTION INCLUDING CONSTITUENTS BOILING ABOVE ABOUT 900* F., AND A RESIDUAL OIL FRACTION, SAID RESIDUAL OIL FRACTION BEING SUBJECTED TO A COKING OPERATION PRODUCING COKE AND A SECOND HEAVY GAS OIL BOILING ABOVE ABOUT 900*F., ACTIVATING SAID COKE TO PRODUCE AN ACTIVATED CARBON HAV-
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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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |