US3284334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded carbon bodies
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-12-04
•
Granted: 1966-11-08
•
Expires: 1983-12-04
Abstract
No abstract record available.
Inventors
- 👤 Metrailer William Joseph
- 👤 Hoover Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:50
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/06; C25C3/08; C25C3/12; C25C3/125; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/043; Y; Y02; Y02P; Y02P20/00; Y02P20/10; Y02P20/129
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A GREEN PREBAKE ELECTRODE FORMULATION CONSISTING ESSENTIALLY OF COARSE COKE HAVING AN AVERAGE PARTICLE SIZE OF 250 TO 350 MICRONS, FINE COKE HAVING AN AVERAGE PARTICLE SIZE OF 40 TO 50 MICRONS, A RATIO OF COARSE COKE TO FINE COKE OF 2:1 TO 3:1 AND A RATIO OF THE AVERAGE SIZE OF COARSE COKE TO FINE COKE OF 6:1 TO 10:1, AND CONTAINING 9 TO 13 WT. PERCENT OF CARBONACEOUS BINDER, SAID COARSE COKE AND SAID FINE COKE BEING PRODUCED BY THE THERMAL DECOMPOSITIN OF A HYDROCARBON FEED IN A FLUIDIZED BED OF COKE PARTICLES AT A TEMPERATURE OF 1800 TO 2500*F.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |