Patent US1640880A successfully refreshed from Google Patents.
US3101697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam generation
Assignee: Combustion Engineering Inc
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Filing: 1956-05-07
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Granted: 1963-08-27
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Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:09
CPC Classifications
F; F23; F23C; F23C10/00; B; B01; B01J; B01J38/00; B01J38/04; B01J38/12; F22; F22B; F22B31/00; F22B31/0007; F22B31/0015; F22B31/0023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
THE METHOD OF UTILIZING THE B.T.U. CONTENT IN THE REGENERATOR GASES COMING FROM A REGENERATOR OF A CATALYTIC CRACKER AND HAVING FOREIGN MATTER ENTRAINED THEREIN COMPRISING PASSING EFFLUENT FROM THE REGENERATOR AND AT SUBSTANTIALLY THE TEMPERATURE AT WHICH IT IS DISCHARGED FROM THE REGENERATOR UPWARDLY THROUGH A BED OF PARTICULATE MATERIAL THAT IS AT LEAST IN PART AN ACTIVE CATALYST SUCH THAT THE ACVITITY OF THE BED IS SUFFICIENT TO OXIDIZE THE OXIDIZABLE CONSTITUENTS OF THE EFFLUENT WITH THE PARTICLES OF THIS MATERIAL BEING SUBSTANTIALLY HEAVIER THAN THAT OF THE FOREIGN MATTER ENTRAINED IN SAID EFFLUENT, MAINTAINING THE VELOCITY OF FLOW OF THE EFFLUENT PSSING THROUGH SAID BED OF MATERIAL WITHIN THE FLUIDIZATION RANGE OF THE BED OF MATERIAL BUT NOT BELOW THE ENTRAINMENT VELOCITY OF THE FOREIGN MATERIAL SO THAT THE FOREIGN MATERIAL PASSES THROUGH SAID BED, OXIDIZING THE OXIDIZABLE CONSTITUENTS OF THE EFFLUENT IN SAID BED AND PASSING THE HOT GASES LEAVING
Claim 2
Independent Claim
154 words
THE METHOD OF UTILIZING THE B.T.U. CONTENT IN THE REGENERATOR GASES COMING FROM A REGENERATOR OF A CATALYTIC CRACKER AND HAVING FOREIGN MATTER ENTRAINED THEREIN COMPRISING PASSING EFFLUENT FROM THE REGENERATOR AND AT SUBSTANTIALLY THE TEMPERATURE AT WHICH IT IS DISCHARGED FROM THE REGENERATOR UPWARDLY THROUGH A BED OF PARTICULATE MATERIAL THAT IS AT LEAST IN PART AN ACTIVE CATALYST SUCH THAT THE ACVITITY OF THE BED IS SUFFICIENT TO OXIDIZE THE OXIDIZABLE CONSTITUENTS OF THE EFFLUENT WITH THE PARTICLES OF THIS MATERIAL BEING SUBSTANTIALLY HEAVIER THAN THAT OF THE FOREIGN MATTER ENTRAINED IN SAID EFFLUENT, MAINTAINING THE VELOCITY OF FLOW OF THE EFFLUENT PSSING THROUGH SAID BED OF MATERIAL WITHIN THE FLUIDIZATION RANGE OF THE BED OF MATERIAL BUT NOT BELOW THE ENTRAINMENT VELOCITY OF THE FOREIGN MATERIAL SO THAT THE FOREIGN MATERIAL PASSES THROUGH SAID BED, OXIDIZING THE OXIDIZABLE CONSTITUENTS OF THE EFFLUENT IN SAID BED AND PASSING THE HOT GASES LEAVING
References Cited (Backward Citations)
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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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |