Patent US2776935A successfully refreshed from Google Patents.
US2776935A
Expired / Lapsed
US
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Heat treating fluid coke compactions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-06-29
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Granted: 1957-01-08
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Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 Charles E Jahnig
- 👤 Walter A Wurth
- 👤 Homer Z Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:07
CPC Classifications
C; C10; C10B; C10B49/00; C10B49/16; C10B49/20; C10B49/22; C10B53/00; C10B53/08; C10L; C10L5/00; C10L5/02; C10L5/26; C10L5/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN THE HEAT HARDENING OF COMPACTIONS OF FLUID COKE WITH AN AGGLUTINATING CARBONACEOUS BINDER SUBSTANCE AT HEAT HARDENING TEMPERATURES AT WHICH TEMPERATURES THE COMPACTIONS NORMALLY TEND TO DEFORM AND OXIDIZE, THE IMPROVEMENT WHICH COMPRISES THE STEPS OF COUNTERCURRENTLY CONTACTING THE FLUID COKE CIMPACTIONS FLOWING DOWNWARDLY IN THE FORM OF A MOVING BED WITH FLUIDIZED FINER COKE PARTICLES AT HEAT HARDENING TEMPERATURE IN A VERTICAL ELONGATED HEAT TREATING ZONE, THE COMPACTIONS BEING FRED TO AN UPPER PORTION OF THE TREATING ZONE; WITHDRAWING A PORTION OF THE COKE PARTICLES FROM AN UPPER PORTION OF THE TREATING ZONE; CIRCULATING THEM THROUGH AN EXTRANEOUS HEATING ZONE WHEREIN THEIR TEMPERATURES ARE ELEVATED; RETURNING THEM TO A LOWER PORTION OF THE TREATING ZONE TO SUPPLY HEAT THERETO AND WITHDRAWING THE HEAT HARDENED COMPACTIONS FROM THE LOWER PORTION OF THE TREATING ZONE.
Claim 2
Dependent Claim
135 words
IN THE HEAT HARDENING OF COMPACTIONS OF FLUID COKE WITH AN AGGLUTINATING CARBONACEOUS BINDER SUBSTANCE AT HEAT HARDENING TEMPERATURES AT WHICH TEMPERATURES THE COMPACTIONS NORMALLY TEND TO DEFORM AND OXIDIZE, THE IMPROVEMENT WHICH COMPRISES THE STEPS OF COUNTERCURRENTLY CONTACTING THE FLUID COKE CIMPACTIONS FLOWING DOWNWARDLY IN THE FORM OF A MOVING BED WITH FLUIDIZED FINER COKE PARTICLES AT HEAT HARDENING TEMPERATURE IN A VERTICAL ELONGATED HEAT TREATING ZONE, THE COMPACTIONS BEING FRED TO AN UPPER PORTION OF THE TREATING ZONE; WITHDRAWING A PORTION OF THE COKE PARTICLES FROM AN UPPER PORTION OF THE TREATING ZONE; CIRCULATING THEM THROUGH AN EXTRANEOUS HEATING ZONE WHEREIN THEIR TEMPERATURES ARE ELEVATED; RETURNING THEM TO A LOWER PORTION OF THE TREATING ZONE TO SUPPLY HEAT THERETO AND WITHDRAWING THE HEAT HARDENED COMPACTIONS FROM THE LOWER PORTION OF THE TREATING ZONE.
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) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |