US2822336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of reforming catalysts
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-11-30
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Granted: 1958-02-04
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Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Polack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF PREPARING HYDROFORMING CATALYST WHICH COMPRISES INTIMATELY MIXING ZINC OXIDE ALUMINA AND MOLYBDENUM OXIDE IN THE DRY, FINELY DIVIDED STATE IN A MOLAR RATIO OF ZINC OXIDE TO ALUMINA OF BETWEEN 1 TO 2 AND 2 TO 1 AND CALCINING THE RESULTANT MIXTURE AT 1100-1400*F. FOR FROM 3 TO 16 HOURS.
Claim 2
Independent Claim
53 words
THE METHOD OF PREPARING HYDROFORMING CATALYST WHICH COMPRISES INTIMATELY MIXING ZINC OXIDE ALUMINA AND MOLYBDENUM OXIDE IN THE DRY, FINELY DIVIDED STATE IN A MOLAR RATIO OF ZINC OXIDE TO ALUMINA OF BETWEEN 1 TO 2 AND 2 TO 1 AND CALCINING THE RESULTANT MIXTURE AT 1100-1400*F. FOR FROM 3 TO 16 HOURS.
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) | 1961-02-03 | 1961-08-05 | 1962-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-03 | 1965-08-05 | 1966-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-03 | 1969-08-05 | 1970-02-04 | $7700.00 | Window Closed / Lapsed |