US3198750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed antimony oxide-uranium oxide oxidation catalyst
Assignee: Standard Oil Co
•
Filing: 1962-12-26
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Granted: 1965-08-03
•
Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 James L Callahan
- 👤 Gertisser Berthold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:23
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; B; B01; B01J; B01J23/00; B01J23/16; B01J23/18; C07C5/00; C07C5/42; C07C5/48; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B01J23/12; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF AN ACTIVE CATALYTIC OXIDE COMPLEX OF ANTIMONY AND URANIUM AS AN ESSENTIAL CATALYTIC INGREDIENT, THE SB:U ATOMIC RATIO BEING WITHIN THE RANGE FROM ABOUT 1:50 TO ABOUT 99:1; SAID COMPLEX BEING FORMED BY HEATING THE MIXED OXIDES OF ANTIMONY AND URANIUM IN TH EPRESENCE OF OXYGEN AT AN ELEVATED TEMPERATURE OF ABOVE 500*F. BUT BELOW THEIR MELTING POINT FOR A TIME SUFFICIENT TO FORM SAID ACTIVE CATALYTIC OXIDE COMPLEX OF ANTIMONY AND URANIUM.
Claim 2
Dependent Claim
79 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF AN ACTIVE CATALYTIC OXIDE COMPLEX OF ANTIMONY AND URANIUM AS AN ESSENTIAL CATALYTIC INGREDIENT, THE SB:U ATOMIC RATIO BEING WITHIN THE RANGE FROM ABOUT 1:50 TO ABOUT 99:1; SAID COMPLEX BEING FORMED BY HEATING THE MIXED OXIDES OF ANTIMONY AND URANIUM IN TH EPRESENCE OF OXYGEN AT AN ELEVATED TEMPERATURE OF ABOVE 500*F. BUT BELOW THEIR MELTING POINT FOR A TIME SUFFICIENT TO FORM SAID ACTIVE CATALYTIC OXIDE COMPLEX OF ANTIMONY AND URANIUM.
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |