US2709185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of reacting carbon, a polyfluoro metal and chlorine
Assignee: EIDP Inc
•
Filing: 1954-01-19
•
Granted: 1955-05-24
•
Expires: 1974-01-19
Abstract
No abstract record available.
Inventors
- 👤 Earl L Muetterties
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:16
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A PROCESS WHEREIN CHLORINE IS REACTED AT A TEMPERATURE OF AT LEAST 400* C. WITH AN INORGANIC FLUORIDE HAVING A PLURALITY OF FLUORINE ATOMS ATTACHED TO ONE ATOM OF A METAL, EACH METAL IN THE FLUORIDE BEING POLYVALENT AND AS THE SOLE REMAINING REACTANT, ELEMENTARY CARBON AND THE RESULTANT CHLOROFLUOROCARBONS ARE ISOLATED.
Claim 2
Dependent Claim
52 words
A PROCESS WHEREIN CHLORINE IS REACTED AT A TEMPERATURE OF AT LEAST 400* C. WITH AN INORGANIC FLUORIDE HAVING A PLURALITY OF FLUORINE ATOMS ATTACHED TO ONE ATOM OF A METAL, EACH METAL IN THE FLUORIDE BEING POLYVALENT AND AS THE SOLE REMAINING REACTANT, ELEMENTARY CARBON AND THE RESULTANT CHLOROFLUOROCARBONS ARE 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 |