US3356742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of fluoroalcohols by reaction of fluoroketones with selected hydrogen donors
Assignee: EIDP Inc
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Filing: 1965-03-02
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Granted: 1967-12-05
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Expires: 1985-03-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:07
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
THE PROCESS OF PRODUCING A SECONDARY FLUOROALCOHOL WHICH COMPRISES REACTING, AT A TEMPERATURE BETWEEN 100 AND 400*C. AND AT AT LEAST AUTOGENOUS PRESSURE, A POLYFLUOROKETONE OF THE FORMULA
Claim 2
Dependent Claim
28 words
THE PROCESS OF PRODUCING A SECONDARY FLUOROALCOHOL WHICH COMPRISES REACTING, AT A TEMPERATURE BETWEEN 100 AND 400*C. AND AT AT LEAST AUTOGENOUS PRESSURE, A POLYFLUOROKETONE OF THE FORMULA
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |