Patent US3062893A successfully refreshed from Google Patents.
US3062893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoroalkylthioacetylenes
Assignee: EIDP Inc
•
Filing: 1960-12-08
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Granted: 1962-11-06
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Expires: 1980-12-08
Abstract
No abstract record available.
Inventors
- 👤 Jr John F Harris
- 👤 Jr Robert M Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:13
CPC Classifications
C; C07; C07C; C07C323/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
A FLUOROALKYLTHIOACETYLENE OF THE FORMULA RFSC$CR WHEREIN RF IS A POLYFLUOROALKYL GROUP OF UP TO 10 CARBONS AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, MONOVALENT HYDROCARBON OF UP TO 10 CARBONS, RFS, AND RF.
Claim 2
Dependent Claim
37 words
A FLUOROALKYLTHIOACETYLENE OF THE FORMULA RFSC$CR WHEREIN RF IS A POLYFLUOROALKYL GROUP OF UP TO 10 CARBONS AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, MONOVALENT HYDROCARBON OF UP TO 10 CARBONS, RFS, AND RF.
Claim 3
Dependent Claim
54 words
THE PROCESS WHICH COMPRISES REACTING A POLYFLUOROALKANESUFENYL HALIDE WITH A COMPOUND OF THE FORMULA XC$CY, WHEREIN Y IS SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS AND HALOMAGNESIUM, AND X IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, MONOVALENT HYDROCARBON OF UP TO 10 CARBONS, POLYFLUOROALKYL OF UP TO 10 CARBONS AND Y.
Claim 4
Dependent Claim
54 words
THE PROCESS WHICH COMPRISES REACTING A POLYFLUOROALKANESUFENYL HALIDE WITH A COMPOUND OF THE FORMULA XC$CY, WHEREIN Y IS SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS AND HALOMAGNESIUM, AND X IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, MONOVALENT HYDROCARBON OF UP TO 10 CARBONS, POLYFLUOROALKYL OF UP TO 10 CARBONS AND Y.
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |