Patent US4040983A successfully refreshed from Google Patents.
US4040983A
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Oxidation catalysts and process for preparing same
Assignee: Gulf Research and Development Co
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Filing: 1975-12-30
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Granted: 1977-08-09
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Expires: 1995-12-30
Abstract
Abstract Novel compounds, particularly suitable as oxidation catalysts, are prepared using critical amounts of uranium, antimony and an element from Group IV B of the Periodic Table.
Inventors
- 👤 Robert A. Innes
- 👤 Anthony J. Perrotta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:46
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; B; B01; B01J; B01J23/00; B01J23/16; B01J23/18; C01; C01G; C01G43/00; C01G43/006; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C01P; C01P2004/00; C01P2004/80; C01P2004/82; C01P2006/00; C01P2006/80; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
27 words
The novel compound defined by the formula: USb.sub.3-x A.sub.x O.sub.9-10, wherein A is a Group IV B element, x is the number about 0.25 to about 1.50.
Claim 2
Dependent Claim
27 words
The novel compound defined by the formula: USb.sub.3-x A.sub.x O.sub.9-10, wherein A is a Group IV B element, x is the number about 0.25 to about 1.50.
Claim 3
Dependent Claim
13 words
The compound of claim 1 wherein the Group IV B element is titanium.
Claim 4
Dependent Claim
13 words
The compound of claim 1 wherein the Group IV B element is zirconium.
Claim 5
Dependent Claim
13 words
The compound of claim 1 wherein the Group IV B element is hafnium.
Claim 6
Dependent Claim
15 words
The compound of claim 1 wherein x is the number about 0.5 to about 1.25.
Claim 7
Dependent Claim
126 words
A process for preparing a compound containing uranium, antimony, a Group IV B element and oxygen which comprises heating a mixture containing (1) oxides of uranium, antimony and an element from Group IV B of the Periodic Table or (2) compounds of said elements that will decompose or be converted to said oxides during said heating, wherein the atomic ratio of antimony to uranium is about 1.35:1 to about 2.75:1, the atomic ratio of the Group IV B element to uranium is about 0.25:1 to about 1.65:1 and the atomic ratio of the sum of antimony and Group IV B element to uranium is about 3.5:1 to about 2.5:1, at a temperature of at least about 850° C. for about 15 minutes to about 24 hours.
Claim 8
Dependent Claim
126 words
A process for preparing a compound containing uranium, antimony, a Group IV B element and oxygen which comprises heating a mixture containing (1) oxides of uranium, antimony and an element from Group IV B of the Periodic Table or (2) compounds of said elements that will decompose or be converted to said oxides during said heating, wherein the atomic ratio of antimony to uranium is about 1.35:1 to about 2.75:1, the atomic ratio of the Group IV B element to uranium is about 0.25:1 to about 1.65:1 and the atomic ratio of the sum of antimony and Group IV B element to uranium is about 3.5:1 to about 2.5:1, at a temperature of at least about 850° C. for about 15 minutes to about 24 hours.
Claim 9
Dependent Claim
59 words
The process of claim 6 wherein the atomic ratio of antimony to uranium is about 1.5:1 to about 2.5:1, the atomic ratio of the Group IV B element to uranium is about 0.5:1 to about 1.5:1 and the atomic ratio of the sum of antimony and the Group IV B element to uranium is about 2.8:1 to about 3.3:1.
Claim 10
Dependent Claim
25 words
The process of claim 6 wherein the atomic ratio of the sum of antimony and the Group IV B element to uranium is about 3:1.
Claim 11
Dependent Claim
25 words
The process of claim 6 wherein the temperature is about 875° to about 1000° C. and the time is about 1 to about 18 hours.
Claim 12
Dependent Claim
13 words
The process of claim 6 wherein the Group IV B element is titanium.
Claim 13
Dependent Claim
13 words
The process of claim 6 wherein the Group IV B element is zirconium.
Claim 14
Dependent Claim
13 words
The process of claim 6 wherein the Group IV B element is hafnium.
References Cited (Backward Citations)
US3849337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-08 | 1981-02-07 | 1981-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-08 | 1985-02-07 | 1985-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-08 | 1989-02-07 | 1989-08-09 | $7700.00 | Window Closed / Lapsed |