US3214465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic nitrogen compounds containing fluorine and the synthesis thereof
Assignee: EIDP Inc
•
Filing: 1962-06-28
•
Granted: 1965-10-26
•
Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 George N Sausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:35
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/34; C07C309/00; C07C309/78; C07C309/79; C07C309/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A COMPOUND OF THE FORMULA CF3ONR1R2 WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND -OCF3 AND R2 IS SELECTED FRO THE GROUP CONSISTING OF PERFLUOROALKYL OF UP TO 18 CARBONS AND -SO2F.
Claim 2
Dependent Claim
35 words
A COMPOUND OF THE FORMULA CF3ONR1R2 WHEREIN R1 IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE AND -OCF3 AND R2 IS SELECTED FRO THE GROUP CONSISTING OF PERFLUOROALKYL OF UP TO 18 CARBONS AND -SO2F.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |