Patent US2919244A successfully refreshed from Google Patents.
US2919244A
Expired / Lapsed
US
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Process for emergency steam production
Assignee: MW Kellogg Co
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Filing: 1955-06-17
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Granted: 1959-12-29
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Expires: 1975-06-17
Abstract
No abstract record available.
Inventors
- 👤 John B Osborne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:14
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
IN A HYDROCARON CONVERSION PROCESS EMPLOYING A FEED PREHEAT FSRUNACE, A HYDROCARBON CONVERSION ONE AND A REGENERATION ZONE CONTAINING A FLUIDIZED BED OF CONTACT MATERIAL IN EACH OF SAID ZONES AND A PRIMARY FRACTIONATOR WHEREIN PRODUCTS OF SAID HYDROCARBON CONVERSION REACTION ARE SEPARATED INTO DESIRED CONSTITUENTS, THE METHOD OF OPERATION TO PROVIDIE EMERGENCY PROCESS STEAM FOR FLUIDIZING SAID CATALYST BEDS DURING AN ELECTRICAL PPWER FAILURE WHICH COMPRISES WITHDRAWING A RECYCLE FRACTION
Claim 2
Dependent Claim
71 words
IN A HYDROCARON CONVERSION PROCESS EMPLOYING A FEED PREHEAT FSRUNACE, A HYDROCARBON CONVERSION ONE AND A REGENERATION ZONE CONTAINING A FLUIDIZED BED OF CONTACT MATERIAL IN EACH OF SAID ZONES AND A PRIMARY FRACTIONATOR WHEREIN PRODUCTS OF SAID HYDROCARBON CONVERSION REACTION ARE SEPARATED INTO DESIRED CONSTITUENTS, THE METHOD OF OPERATION TO PROVIDIE EMERGENCY PROCESS STEAM FOR FLUIDIZING SAID CATALYST BEDS DURING AN ELECTRICAL PPWER FAILURE WHICH COMPRISES WITHDRAWING A RECYCLE FRACTION
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) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |