US3767594A
Expired / Lapsed
US
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Dehydrogenation catalyst
Assignee: Universal Oil Products Co
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Filing: 1970-08-20
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Granted: 1973-10-23
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Expires: 1990-08-20
Abstract
Abstract A CATALYST COMPOSITION CHARACTERIZED BY A METHOD OF MANUFACTURE. THE CATALYST COMPOSITION COMPRISES A PLATINUM GROUP METAL, GERMANIUM, AND AN ALKALI METAL COMPOSITED WITH AN ALUMINA CARRIER MATERIAL. THE ALUMINA CARRIER MATERIAL IS IMPREGNATED WITH THE CATALYTIC COMPONENTS, STEAM TREATED AT OXIDIZING CONDITIONS INCLUDING A TEMPERATURE OF FROM ABOUT 400* TO ABOUT 1200*F., AND FURTHER TREATED IN A SUBSTANTIALLY DRY ATMOSPHERE AT OXIDIZING CONDITIONS INCLUDING A TEMPERATURE OF FROM ABOUT 400* TO ABOUT 1200*F., TO YIELD A PRODUCT CHARACTERIZED BY A LOI AT 900*C. OF LESS THAN ABOUT 1 WT. PERCENT PRIOR TO REDUCTION AND SULFIDING.
Inventors
- 👤 K Vesely
- 👤 H Gass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:01
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/324; C07C5/325; B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/62; B01J23/622; B01J23/624; C07C5/327; C07C5/333; C07C5/3335; C07C5/3337; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |