US3223652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of iron group metal catalysts
Assignee: Sinclair Research Inc
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Filing: 1962-09-05
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Granted: 1965-12-14
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Erickson Henry
- 👤 Robert A Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:18
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/20; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD FOR THE PREPARATION OF A CARALYST CONSISTING ESSENTIALLY OF A CATALYTIC AMOUNT OF AN IRON GROUP METAL SUPPORTED ON A SOLID CATALYST BASE WHICH CONSISTS ESSENTIALLY OF IMPREGNATING A SOLID CATALYST SUPPORT WITH A REDUCIBLE IRON GROUP METAL COMPOUND, HEATING SAID IMPREGNATED SUPPORT IN THE PRESENCE OF A REDUCING GAS AT TEMPERATURES OF ABOUT 500 TO 1200*F., SULFIDING THE CATALYST WITH H2S TO PROVIDE THE IRON GROUP METAL ON THE SUPPORT AS THE SULFIDE, WITH THE PROVISO THAT AT TEMPERATURES ABOVE ABOUT 750*F. H2S IS ADDED TO THE REDUCING GAS TO PROVIDE SIMULTANEOUS REDUCTION AND SULFIDING.
Claim 2
Independent Claim
98 words
A METHOD FOR THE PREPARATION OF A CARALYST CONSISTING ESSENTIALLY OF A CATALYTIC AMOUNT OF AN IRON GROUP METAL SUPPORTED ON A SOLID CATALYST BASE WHICH CONSISTS ESSENTIALLY OF IMPREGNATING A SOLID CATALYST SUPPORT WITH A REDUCIBLE IRON GROUP METAL COMPOUND, HEATING SAID IMPREGNATED SUPPORT IN THE PRESENCE OF A REDUCING GAS AT TEMPERATURES OF ABOUT 500 TO 1200*F., SULFIDING THE CATALYST WITH H2S TO PROVIDE THE IRON GROUP METAL ON THE SUPPORT AS THE SULFIDE, WITH THE PROVISO THAT AT TEMPERATURES ABOVE ABOUT 750*F. H2S IS ADDED TO THE REDUCING GAS TO PROVIDE SIMULTANEOUS REDUCTION AND SULFIDING.
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |