US2824074A
Expired / Lapsed
US
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Fluid alumina-molybdenum oxide reforming catalyst
Assignee: California Research LLC
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Filing: 1953-05-18
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Granted: 1958-02-18
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Robert P Sieg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:13
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; Y; Y10; Y10S; Y10S502/00; Y10S502/50; Y10S502/504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
FLUIDIZABLE CATALYST PARTICLES CHARACTERIZED BY GREATLY ENHANCED ATTRITION RESISTANCE AND PROCESS LIFE, CONTAINING ALUMINA AND MOLYBDENUM OXIDE AND CONTAINING FROM ABOUT 0.5 TO 15% BY WEIGHT OF CRYSTALLINE GRAPHITE PARTICLES UNIFORMLY DISPERSED THROUGHOUT EACH CATALYST PARTICLE.
Claim 2
Dependent Claim
36 words
FLUIDIZABLE CATALYST PARTICLES CHARACTERIZED BY GREATLY ENHANCED ATTRITION RESISTANCE AND PROCESS LIFE, CONTAINING ALUMINA AND MOLYBDENUM OXIDE AND CONTAINING FROM ABOUT 0.5 TO 15% BY WEIGHT OF CRYSTALLINE GRAPHITE PARTICLES UNIFORMLY DISPERSED THROUGHOUT EACH CATALYST PARTICLE.
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) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |