US2709187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing carbon fluorides from carbon and a fluoride of a metal from group h-b
Assignee: EIDP Inc
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Filing: 1954-02-16
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Granted: 1955-05-24
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Expires: 1974-02-16
Abstract
No abstract record available.
Inventors
- 👤 Mark W Farlow
- 👤 Earl L Muetterties
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:37
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE PREPARATION OF FLUOROCCARBONS WHEREIN CARBON IS REACTED, AT A TEMPERATURE OF AT LEAST 500* C., WITH, AS THE SOLE SOURCE OF FLUORINE FOR THE REACTION, A FLUORIDE OF A GROUP 11-B METAL AND THE RESULTANT FLUOROCARBON COMPOSITION IS ISOLATED.
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE PREPARATION OF FLUOROCCARBONS WHEREIN CARBON IS REACTED, AT A TEMPERATURE OF AT LEAST 500* C., WITH, AS THE SOLE SOURCE OF FLUORINE FOR THE REACTION, A FLUORIDE OF A GROUP 11-B METAL AND THE RESULTANT FLUOROCARBON COMPOSITION IS ISOLATED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |