US3017336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of fluorocarbon nitriles
Assignee: Dow Chemical Co
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Filing: 1958-09-02
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Granted: 1962-01-16
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Expires: 1978-09-02
Abstract
No abstract record available.
Inventors
- 👤 Olstowski Franciszek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:54
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/20; C25B3/27; C25B3/28; C25B3/01; C25B3/09; C25B3/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PROCESS FOR THE PREPARATION OF A FLUOROCARBON NITRILE, WHICH COMPRISES PASSING AN ELECTRIC CURRENT AT A SUFFICIENTLY LOW VOLTAGE TO PREVENT ANODE EFFECT THROUGH AN ELECTROLYTE BETWEEN A POROUS CARBON ANODE AND AN INSOLUBLE CATHODE AT A TEMPERATURE SUFFICIENT TO MELT THE ELECTROLYTE TO OBTAIN AN ANODE PRODUCT CONTAINING A FLUOROCARBON NITRILE, SAID ELECTROLYTE CONSISTING ESSENTIALLY OF AT LEAST ONE METAL FLUORIDE WHICH IS NON-VOLATILE AND STABLE AT THE ELECTROLYSIS TEMPERATURE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL FLUORIDES, ALKALINE EARTH METAL
Claim 2
Dependent Claim
84 words
A PROCESS FOR THE PREPARATION OF A FLUOROCARBON NITRILE, WHICH COMPRISES PASSING AN ELECTRIC CURRENT AT A SUFFICIENTLY LOW VOLTAGE TO PREVENT ANODE EFFECT THROUGH AN ELECTROLYTE BETWEEN A POROUS CARBON ANODE AND AN INSOLUBLE CATHODE AT A TEMPERATURE SUFFICIENT TO MELT THE ELECTROLYTE TO OBTAIN AN ANODE PRODUCT CONTAINING A FLUOROCARBON NITRILE, SAID ELECTROLYTE CONSISTING ESSENTIALLY OF AT LEAST ONE METAL FLUORIDE WHICH IS NON-VOLATILE AND STABLE AT THE ELECTROLYSIS TEMPERATURE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL FLUORIDES, ALKALINE EARTH METAL
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |