Patent US3823092A successfully refreshed from Google Patents.
US3823092A
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Process for preparing cracking catalysts having improved regeneration properties
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1972-01-24
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Granted: 1974-07-09
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Expires: 1992-01-24
Abstract
Abstract THE REGENERATION PROPERTIES OF CRACKING CATALYSTSS ARE IMPROVED BY INCORPORATING INTO A RARE EARTH EXCHANGED ZEOLITE COMPOSITE CATALYST A SMALL ADDITIONAL AMOUNT OF CERIUM CATIONS RANDOMYL DISTRIBUTED THROUGHOUT THE COMPOSITE CATALYST.
Inventors
- 👤 E Gladrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:42
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/061; B01J29/08; B01J29/084; B01J29/085; B01J29/088; C10G35/00; C10G35/04; C10G35/06; C10G35/095; C10G45/00; C10G45/58; C10G45/60; C10G45/64; B01J2229/00; B01J2229/30; B01J2229/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |