US3423331A
Expired / Lapsed
US
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Catalyst for the preparation of unsaturated aldehydes
Assignee: Goodrich Corp
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Filing: 1966-05-26
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Granted: 1969-01-21
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Expires: 1986-05-26
Abstract
No abstract record available.
Inventors
- 👤 Jamal S Eden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:22
CPC Classifications
H; H05; H05K; H05K9/00; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J27/00; B01J27/02; B01J27/14; B01J27/186; B01J27/187; B01J27/188; C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3274255A
Cited
US3301906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |