US2903419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion system
Assignee: MW Kellogg Co
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Filing: 1955-02-10
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Granted: 1959-09-08
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Expires: 1975-02-10
Abstract
No abstract record available.
Inventors
- 👤 Everett W Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:52
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/388; C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PROCESS WHICH COMPRISES CONTACTING A CHEMICAL REACTANT WITH A DENSE FLUIDIZED MASS OF FINELY DIVIDED SOLID MATERIAL INA REACTION ZONE THUS CONTAMINATING THE SOLIDS WITH VOLATILE AND NON-VOLATILE HYDROCARBNACEOUS MATERIAL, WITHDRAWING CONTAMINATED SOLIDS FROM THE LOWER PORTION OF THE REACTION ZONE AND PASSING THE SAME UPWARDLY AS A LEAN SUSPENSION IN A GASEOUS MATERIAL IN A SUBSTANTIALLY VERTICAL ELONGATED CONFINED ZONE WITHIN SAID REACTION ZONE AT A POINT BELOW THE ENTRY OF THE CHEMICAL REACTANT THERETO, PASSING THE CONTAMINATED SOLIDS FROM THE ELONGATED CONFINED ZONE TO A STRIPPING ZONE POSITIONED ABOVE SAID REACTION ZONE, STRIPPING VOLATILE MATERIAL FROM THE SOLIDS IN THE STRIPPING ZONE, PASSING THE STRIPPED SOLIDS TO A REGENERATION ZONE WHEREIN AT LEAST PART OF THE HYDROCARBONACEOUS MATERIAL IS BURNED WITH AN OXYGEN CONTAINNG GAS AND RETURNING THE REGENERATED SOLIDS TO THE REACTION ZONE.
Claim 2
Dependent Claim
137 words
A PROCESS WHICH COMPRISES CONTACTING A CHEMICAL REACTANT WITH A DENSE FLUIDIZED MASS OF FINELY DIVIDED SOLID MATERIAL INA REACTION ZONE THUS CONTAMINATING THE SOLIDS WITH VOLATILE AND NON-VOLATILE HYDROCARBNACEOUS MATERIAL, WITHDRAWING CONTAMINATED SOLIDS FROM THE LOWER PORTION OF THE REACTION ZONE AND PASSING THE SAME UPWARDLY AS A LEAN SUSPENSION IN A GASEOUS MATERIAL IN A SUBSTANTIALLY VERTICAL ELONGATED CONFINED ZONE WITHIN SAID REACTION ZONE AT A POINT BELOW THE ENTRY OF THE CHEMICAL REACTANT THERETO, PASSING THE CONTAMINATED SOLIDS FROM THE ELONGATED CONFINED ZONE TO A STRIPPING ZONE POSITIONED ABOVE SAID REACTION ZONE, STRIPPING VOLATILE MATERIAL FROM THE SOLIDS IN THE STRIPPING ZONE, PASSING THE STRIPPED SOLIDS TO A REGENERATION ZONE WHEREIN AT LEAST PART OF THE HYDROCARBONACEOUS MATERIAL IS BURNED WITH AN OXYGEN CONTAINNG GAS AND RETURNING THE REGENERATED SOLIDS TO THE REACTION 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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |