US3020210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat hardening fluid coke compactions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1955-02-24
•
Granted: 1962-02-06
•
Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank M Stephens
- 👤 Howard C Renken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:06
CPC Classifications
C; C10; C10B; C10B53/00; C10B53/08; C10L; C10L5/00; C10L5/02; C10L5/26; C10L5/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN THE THERMAL HEAT HARDENING OF COMPACTIONS OF FLUID COKE PARTICLES MADE BY A FLUIDIZED COKING PROCESS WITH AN AGGLUTINATING HYDROCARBON BINDER SUBSTANCE AT HEAT HARDENING TEMPERATURES AT WHICH TEMPERATURES THE COMPACTIONS NORMALLY TEND TO DEFORM AND OXIDIZE, THE IMPROVEMENT WHICH COMPRISES IMMERSING THE FLUID COKE COMPACTION IN A DENSE, TRUBULENT, FLUIDIZED BED OF COKE PARTTICLES MAINTAINED AT HEAT HARDENING TEMPERATURE TO DECOMPOSE SAID BINDER TO A CARBONACEOUS RESIDUE TO PRODUCE ADEQUATE STRENGTH WHEREBY DEFORMATION AND EXCESSIVE OXIDATION OF SAID COMPACTION ARE PREVENTED, AND WITHDRAWING THE THUS HARDENED COMPACTION FROM SAID FLUIDIZED BED.
Claim 2
Dependent Claim
93 words
IN THE THERMAL HEAT HARDENING OF COMPACTIONS OF FLUID COKE PARTICLES MADE BY A FLUIDIZED COKING PROCESS WITH AN AGGLUTINATING HYDROCARBON BINDER SUBSTANCE AT HEAT HARDENING TEMPERATURES AT WHICH TEMPERATURES THE COMPACTIONS NORMALLY TEND TO DEFORM AND OXIDIZE, THE IMPROVEMENT WHICH COMPRISES IMMERSING THE FLUID COKE COMPACTION IN A DENSE, TRUBULENT, FLUIDIZED BED OF COKE PARTTICLES MAINTAINED AT HEAT HARDENING TEMPERATURE TO DECOMPOSE SAID BINDER TO A CARBONACEOUS RESIDUE TO PRODUCE ADEQUATE STRENGTH WHEREBY DEFORMATION AND EXCESSIVE OXIDATION OF SAID COMPACTION ARE PREVENTED, AND WITHDRAWING THE THUS HARDENED COMPACTION FROM SAID FLUIDIZED BED.
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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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |