Patent US3381047A successfully refreshed from Google Patents.
US3381047A
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US
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Cyclododecatriene-1, 5, 9 process
Assignee: EIDP Inc
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Filing: 1966-12-07
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Granted: 1968-04-30
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Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 Eleuterio Herbert Sousa
- 👤 Koch Theodore Augur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:56
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; C07C2527/00; C07C2527/06; C07C2527/135; C07C2531/00; C07C2531/02; C07C2531/04; C07C2531/12; C07C2531/14; C07C2531/26; C07C2531/38; C07C2601/00; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3163611A
Cited
US3280205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |