Patent EP0197263A2 successfully refreshed from Google Patents.
Patent US3200084A successfully refreshed from Google Patents.
US3200084A
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Mixed antimony oxide-cerium oxide oxidation catalysts
Assignee: Standard Oil Co
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Filing: 1962-10-15
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Granted: 1965-08-10
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 James L Callahan
- 👤 Gertisser Berthold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:30
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; B; B01; B01J; B01J23/00; B01J23/16; B01J23/18; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF OXIDES OF ANTIMONY AND CERIUM AS ESSENTIAL CATALYTIC INGREDIENTS, THE SB:CE ATOMIC RATIO BEING WITHIN THE RANGE FROM ABOUT 1:50 TO ABOUT 99:1; THE ANTIMONY AND CERIUM EACH BEING IN A VALENCE OXIDATION STATE OF AT LEAST THREE, RESULTING FROM HEATING OF THE MIXED OXIDES IN THE PRESENCE OF OXYGEN AT AN ELEVATED TEMPERATURE ABOVE 500*F. BUT BELOW THEIR MELTING POINT.
Claim 2
Dependent Claim
67 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF OXIDES OF ANTIMONY AND CERIUM AS ESSENTIAL CATALYTIC INGREDIENTS, THE SB:CE ATOMIC RATIO BEING WITHIN THE RANGE FROM ABOUT 1:50 TO ABOUT 99:1; THE ANTIMONY AND CERIUM EACH BEING IN A VALENCE OXIDATION STATE OF AT LEAST THREE, RESULTING FROM HEATING OF THE MIXED OXIDES IN THE PRESENCE OF OXYGEN AT AN ELEVATED TEMPERATURE ABOVE 500*F. BUT BELOW THEIR MELTING POINT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |