US3248340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Promoted bismuth oxide-molybdenum oxide oxidation catalyst
Assignee: Standard Oil Co
•
Filing: 1962-04-25
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Granted: 1966-04-26
•
Expires: 1982-04-25
Abstract
No abstract record available.
Inventors
- 👤 Callahan James Louis
- 👤 Gertisser Berthold
- 👤 Joseph J Szabo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:56
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/28; B01J23/31; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19; B01J27/192; C; C07; C07C; C07C253/00; C07C253/24; C07C253/26; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; C07C5/00; C07C5/42; C07C5/48; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF OXIDES OF BISMUTH AND MOLYBDENUM AS THE ESSENTIAL CATALYTIC INGREDIENTS, THE BISMUTH OXIDE BEING PRESENT IN AN AMOUNT TO FURNISH A BISMUTH TO MOLYBDENUM BI:MO ATOMIC RATIO OF ABOVE 1:3, PROMOTED BY A MIXTURE OF
Claim 2
Dependent Claim
41 words
A CATALYST COMPOSITION CONSISTING ESSENTIALLY OF OXIDES OF BISMUTH AND MOLYBDENUM AS THE ESSENTIAL CATALYTIC INGREDIENTS, THE BISMUTH OXIDE BEING PRESENT IN AN AMOUNT TO FURNISH A BISMUTH TO MOLYBDENUM BI:MO ATOMIC RATIO OF ABOVE 1:3, PROMOTED BY A MIXTURE OF
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |