US3427240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonaceous compaction using high temperature fluid coke
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1966-05-17
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Granted: 1969-02-11
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Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas Collum Landrum
- 👤 Robert Harry Waghorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:14
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C25; C25C; C25C3/00; C25C3/06; C25C3/08; C25C3/12; C25C3/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CARBONACEOUS COMPACTION SUITABLE FOR DUSTINGRESISTANT ALUMINA REDUCTION CELL ELECTRODE USE COMPRISING HIGH TEMPERATURE FLUID COKE, CARBON BLACK IN AN AMOUNT RANGING FROM ABOUT 5 TO ABOUT 10 PARTS PER 100 PARTS BY WEIGHT OF HIGH TEMPERATURE FLUID COKE, AND A CARBONACEOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF CARBONACEOUS BINDER AND THE COKED RESIDUE THEREOF.
Claim 2
Dependent Claim
56 words
A CARBONACEOUS COMPACTION SUITABLE FOR DUSTINGRESISTANT ALUMINA REDUCTION CELL ELECTRODE USE COMPRISING HIGH TEMPERATURE FLUID COKE, CARBON BLACK IN AN AMOUNT RANGING FROM ABOUT 5 TO ABOUT 10 PARTS PER 100 PARTS BY WEIGHT OF HIGH TEMPERATURE FLUID COKE, AND A CARBONACEOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF CARBONACEOUS BINDER AND THE COKED RESIDUE THEREOF.
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) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |