Patent US2368494A successfully refreshed from Google Patents.
US2368494A
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Reactions of tertiary olefins with aldehydes
Assignee: Standard Oil Development Co
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Filing: 1940-12-28
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Granted: 1945-01-30
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Expires: 1960-12-28
Abstract
No abstract record available.
Inventors
- 👤 Rosen Raphael
- 👤 Arundale Erving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:08
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/04; C07D319/06; C07C; C07C2/00; C07C2/86; C07C2/862; C07C2/867; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/12; C07C2527/1213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-01-30 | 1948-07-31 | 1949-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-01-30 | 1952-07-31 | 1953-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-01-30 | 1956-07-31 | 1957-01-30 | $7700.00 | Window Closed / Lapsed |