Patent US2906609A successfully refreshed from Google Patents.
US2906609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst regenerator
Assignee: Phillips Petroleum Co
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Filing: 1953-10-12
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Granted: 1959-09-29
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Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:30
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/26; B01J8/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN A REGENERATOR VESSEL, ADAPTED TO REGENERATE WITH REGENERATION GASES A CONTACT MASS CONSISTING OF A FLUIDIZED BED OF A MASS OF PARTICULATE SOLIDS, SAID VESSEL HAVING AN INLET AND AN OUTLET FOR SAID REGENERATOR GASES, SAID INLET FOR GASES BEING SUBSTANTIALLY BELOW SAID OUTLET FOR SAID GASES, AN INLET SAID CONTACT MASS TO BE REGENERATED, AN OUTLET FOR REGENERATED CONTACT MASS, WHEREIN SAID INLET FOR SAID MASS AND SAID OUTLET FOR SAID MASS ARE LOCATED IN PROXIMITY TO EACH OTHER IN A LOWER SECTION OF THE VESSEL AND THEREFORE BELOW THE NORMALLY MAINTAINED SURFACE OF THE BED OF SAID FLUIDIZED CONTACT MASS AND ABOVE THE INLET FOR SAID GASES, THE IMPROVEMENT COMPRISING, IN COMBINATION WITH SAID VESSEL A SUBSTANTIALLY VERTICALLY DISPOSED UPWARDLY EXTENDING PARTITION MEMBER LOCATED BETWEEN SAID INLET FOR SAID MASS AND OUTLET FOR SAID MASS AND EXTENDING FROM A LEVEL BELOW SAID INLET FOR SAID MASS AND
Claim 2
Dependent Claim
150 words
IN A REGENERATOR VESSEL, ADAPTED TO REGENERATE WITH REGENERATION GASES A CONTACT MASS CONSISTING OF A FLUIDIZED BED OF A MASS OF PARTICULATE SOLIDS, SAID VESSEL HAVING AN INLET AND AN OUTLET FOR SAID REGENERATOR GASES, SAID INLET FOR GASES BEING SUBSTANTIALLY BELOW SAID OUTLET FOR SAID GASES, AN INLET SAID CONTACT MASS TO BE REGENERATED, AN OUTLET FOR REGENERATED CONTACT MASS, WHEREIN SAID INLET FOR SAID MASS AND SAID OUTLET FOR SAID MASS ARE LOCATED IN PROXIMITY TO EACH OTHER IN A LOWER SECTION OF THE VESSEL AND THEREFORE BELOW THE NORMALLY MAINTAINED SURFACE OF THE BED OF SAID FLUIDIZED CONTACT MASS AND ABOVE THE INLET FOR SAID GASES, THE IMPROVEMENT COMPRISING, IN COMBINATION WITH SAID VESSEL A SUBSTANTIALLY VERTICALLY DISPOSED UPWARDLY EXTENDING PARTITION MEMBER LOCATED BETWEEN SAID INLET FOR SAID MASS AND OUTLET FOR SAID MASS AND EXTENDING FROM A LEVEL BELOW SAID INLET FOR SAID MASS AND
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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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |