Patent US2912429A successfully refreshed from Google Patents.
US2912429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of hexafluoroazomethane
Assignee: EIDP Inc
•
Filing: 1958-02-10
•
Granted: 1959-11-10
•
Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Charles W Tullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:48
CPC Classifications
C; C09; C09B; C09B31/00; C09B31/16; C09B31/22; C07; C07B; C07B39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE PRODUCTING OF FLUORINATED ORGANIC COMPOUNDS COMPRISING HEATING AT A TEMPERATURE OF AT LEAST 150* C. AND UNDER ESSENTIALLY ANHYDROUS CONDITIONS A CYANOGEN HALIDE WHEREIN THE HALOGEN HAS AN ATOMIC NUMBER OF FROM 17 TO 53, WITH CHLORINE AND A FLUORIDE OF AN ALKALI METAL OF ATOMIC NUMBER 11 TO 19.
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE PRODUCTING OF FLUORINATED ORGANIC COMPOUNDS COMPRISING HEATING AT A TEMPERATURE OF AT LEAST 150* C. AND UNDER ESSENTIALLY ANHYDROUS CONDITIONS A CYANOGEN HALIDE WHEREIN THE HALOGEN HAS AN ATOMIC NUMBER OF FROM 17 TO 53, WITH CHLORINE AND A FLUORIDE OF AN ALKALI METAL OF ATOMIC NUMBER 11 TO 19.
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) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |