Patent US3260679A successfully refreshed from Google Patents.
US3260679A
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Method of preparing a catalyst composition consisting of sodium, sodium carbonate and iron oxide on alumina and the product thereof
Assignee: Standard Oil Co
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Filing: 1962-05-25
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Granted: 1966-07-12
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas M O'grady
- 👤 Arnold N Wennerberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:25
CPC Classifications
B; B01; B01J; B01J23/00; C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2556; B01J23/90; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF 1 TO 25 WEIGHT PERCENT SODIUM AND 0.1 TO 10.0 WEIGHT PERCENT FE2O3 IN A GAMMA-TYPE ALUMINA SUPPORT.
Claim 2
Dependent Claim
15 words
THE CATALYST COMPOSITION OF CLAIM 2 ALSO CONTAINING 0.4 TO 2.0 WEIGHT PERCENT SODIUM CARBONATE.
Claim 3
Independent Claim
101 words
A METHOD OF PREPARING A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF METALLIC SODIUM PROMOTED WITH AN OXIDE OF A TRANSITION METAL OF PERIODS 4 AND 5 OF THE PERIODIC TABLE SUPPORTED ON A METAL OXIDE COMPOSITION CONSISTING ESSENTIALLY OF ALUMINA WHICH METHOD COMPRISES CALCINING SAID ALUMINA AT A TEMPERATURE ABOVE 400*C. AND UP TO 900*C., AND DEPOSITING ON THE SURFACE OF SAID ALUMINA METALLIC SODIUM AND AN OXIDE PROVIDING COMPOUND OF TRANSITION METAL OF PERIODS 4 AND 5 OF THE PERIODIC TABLE TO PROVIDE FROM 1 TO 25 WEIGHT PERDENT METALLIC SODIUM AND 0.1 TO 10.0 WEIGHT PERCENT SAID TRANSISTION METAL OXIDE.
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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) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |