US2770660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing fluorocarbons
Assignee: MW Kellogg Co
•
Filing: 1952-02-11
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Granted: 1956-11-13
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Expires: 1972-02-11
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Passino
- 👤 Wilber O Teeters
- 👤 Russell M Mantell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:46
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A PROCESS WHICH COMPRISES REACTING A FLUIDIZED MASS OF FINELY DIVIDED CARBON PARTICLES WITH FLUORINE AS SUBSTANTIALLY THE SOLE HALOGEN AT A TEMPERATURE OF ABOUT 375* TO ABOUT 925* F. IN THE PRESENCE OF BETWEEN 8 PERCENT AND 12 PERCENT BY WEIGHT OF AN INORGANIC METAL HALIDE.
Claim 2
Dependent Claim
47 words
A PROCESS WHICH COMPRISES REACTING A FLUIDIZED MASS OF FINELY DIVIDED CARBON PARTICLES WITH FLUORINE AS SUBSTANTIALLY THE SOLE HALOGEN AT A TEMPERATURE OF ABOUT 375* TO ABOUT 925* F. IN THE PRESENCE OF BETWEEN 8 PERCENT AND 12 PERCENT BY WEIGHT OF AN INORGANIC METAL HALIDE.
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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |