US3260753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic process for preparing acrolein
Assignee: Eastman Kodak Co
•
Filing: 1963-10-14
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Granted: 1966-07-12
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Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar L Mcdaniel
- 👤 Howard S Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:28
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/16; B01J23/24; B01J23/31; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A CATALYST COMPOSITION COMPRISING A CALCINED MIXTURE OF FROM 10 TO 50% BY WEIGHT OF BISMUTH OXIDE AND FROM10 TO 50% BY WEIGHT OF SILICOVANADOTUNGSTIC ACID.
Claim 2
Dependent Claim
26 words
A CATALYST COMPOSITION COMPRISING A CALCINED MIXTURE OF FROM 10 TO 50% BY WEIGHT OF BISMUTH OXIDE AND FROM10 TO 50% BY WEIGHT OF SILICOVANADOTUNGSTIC ACID.
References Cited (Backward Citations)
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 |