US3387029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of polyacroleins
Assignee: Dynamit Nobel AG
•
Filing: 1965-07-16
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Granted: 1968-06-04
•
Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Hartel Heinz
- 👤 Nebel Ilse Ursula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:37
CPC Classifications
C; C08; C08G; C08G2/00; C08G2/14; C08F; C08F8/00; C08F8/06; C08G2/18; C08G2/20; C08G2/26; C08G2/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2212900A
Cited
US2288566A
Cited
US2398867A
Cited
GB740005A
Cited
US3127374A
Cited
NL6500505A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |