Patent US3524823A successfully refreshed from Google Patents.
US3524823A
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Catalyst and method of preparing unsaturated acids and aldehydes
Assignee: Goodrich Corp
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Filing: 1969-01-21
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Granted: 1970-08-18
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Expires: 1989-01-21
Abstract
No abstract record available.
Inventors
- 👤 Jamal S Eden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:24
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252; B; B01; B01J; B01J23/00; B01J23/002; B01J27/00; B01J27/14; B01J27/186; B01J27/188; B01J27/19; B01J27/195; B01J27/198; B01J27/199; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; B01J2523/00
Claims Analysis
Total Claims: 0
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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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |