US4306947A
Expired / Lapsed
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Electrochemical catalytic carbonate process
Assignee: General Electric Co
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Filing: 1980-06-04
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Granted: 1981-12-22
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Expires: 2000-06-04
Abstract
Abstract An electrochemical catalytic β-fluoroaliphatic carbonate process comprising contacting β-fluoroalcohol, carbon monoxide, a Group VIIIB catalyst, an electrolyte containing a chloride, bromide or iodide ion, and a direct electric current.
Inventors
- 👤 Robert A. Bell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:57
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/20; C25B3/23; C25B3/01; C25B3/07; C25B3/11
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
57 words
An electrochemical catalytic β-fluoroaliphatic carbonate process comprising reacting a β-fluoroalcohol, carbon monoxide, an effective amount of a Group VIIIB catalyst, an electrolyte containing a chloride, bromide or iodide ion using a direct electric current, subject to the proviso that the current efficiency of the process relative to the β-fluoroaliphatic carbonate product is at least about ninety-nine percent.
Claim 2
Dependent Claim
57 words
An electrochemical catalytic β-fluoroaliphatic carbonate process comprising reacting a β-fluoroalcohol, carbon monoxide, an effective amount of a Group VIIIB catalyst, an electrolyte containing a chloride, bromide or iodide ion using a direct electric current, subject to the proviso that the current efficiency of the process relative to the β-fluoroaliphatic carbonate product is at least about ninety-nine percent.
Claim 3
Dependent Claim
9 words
The claim 1 process and, additionally, a supplemental solvent.
Claim 4
Dependent Claim
9 words
The claim 1 process and, additionally, a supporting electrolyte.
Claim 5
Dependent Claim
18 words
The claim 1 process, wherein the carbon monoxide pressure is less than about 1,500 pounds per square inch.
Claim 6
Dependent Claim
11 words
The claim 1 process, wherein the β-fluoroalcohol contains 2-20 carbon atoms.
Claim 7
Dependent Claim
14 words
The claim 1 process, wherein the Group VIIIB catalyst is present in metallic form.
Claim 8
Dependent Claim
11 words
The claim 6 process, wherein the electrolyte contains a bromide ion.
Claim 9
Dependent Claim
9 words
The claim 7 process, wherein the β-fluoroalcohol is ##STR3##
Claim 10
Dependent Claim
9 words
The claim 8 process, wherein the β-fluoroalcohol is 2,2,2-trifluoroethanol.
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) | 1984-12-21 | 1985-06-22 | 1985-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-12-21 | 1989-06-22 | 1989-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-12-21 | 1993-06-22 | 1993-12-22 | $7700.00 | Window Closed / Lapsed |