US2709186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of compounds of fluorine and carbon
Assignee: EIDP Inc
•
Filing: 1954-02-10
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Granted: 1955-05-24
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Expires: 1974-02-10
Abstract
No abstract record available.
Inventors
- 👤 Farlow Mark Wendell
- 👤 Muetterties Earl Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
PROCESS OF SYNTHESIZING FLUOROCARBONS WHICH COMPRISES REACTING AT A TEMPERATURE OF AT LEAST 900* C. CARBON WITH A BINARY FLUORIDE OF AN ELEMENT FOR THE GROUP CONSISTING OF THE ELEMENTS OF GROUP V-A OF THE PERIODIC TABLE AND OF THOSE ELEMENTS OF GROUP VI-A OF THE PERIODIC TABLE HAVING ATOMIC NUMBERS BETWEEN 16 AND 52, INCLUSIVE, AND ISOLATING THE FLUOROCARBONS FORMED.
Claim 2
Dependent Claim
61 words
PROCESS OF SYNTHESIZING FLUOROCARBONS WHICH COMPRISES REACTING AT A TEMPERATURE OF AT LEAST 900* C. CARBON WITH A BINARY FLUORIDE OF AN ELEMENT FOR THE GROUP CONSISTING OF THE ELEMENTS OF GROUP V-A OF THE PERIODIC TABLE AND OF THOSE ELEMENTS OF GROUP VI-A OF THE PERIODIC TABLE HAVING ATOMIC NUMBERS BETWEEN 16 AND 52, INCLUSIVE, AND ISOLATING THE FLUOROCARBONS FORMED.
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) | 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 |