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US3062893A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluoroalkylthioacetylenes

Assignee: EIDP Inc
•
Filing: 1960-12-08
•
Granted: 1962-11-06
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Expires: 1980-12-08
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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 09:46
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

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