US3770838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing fluorocarbon halides
Assignee: Honeywell International Inc
•
Filing: 1971-06-02
•
Granted: 1973-11-06
•
Expires: 1991-06-02
Abstract
Abstract FLUOROCARBON HALIDES ARE PREPARED BY REACTING AN UNSATURATED FLUOROCARBON WITH A CYANOGEN HALIDE AND AN IONIZABLE FLUORIDE SALT.
Inventors
- 👤 R Dear
- 👤 C Woolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:06
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/013; C07C17/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-11-05 | 1977-05-07 | 1977-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-05 | 1981-05-07 | 1981-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-05 | 1985-05-07 | 1985-11-06 | $7700.00 | Window Closed / Lapsed |