US3479395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of olefins with tellurium compounds
Assignee: Celanese Corp
•
Filing: 1966-05-02
•
Granted: 1969-11-18
•
Expires: 1986-05-02
Abstract
No abstract record available.
Inventors
- 👤 Juan Luis Huguet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/04; C07C67/05
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |