IP Library › Granted Patent US 8,092,942
Granted Patent B1
US 8,092,942 · App. 12/961,587 · Granted Jan 10, 2012

Multifunctional sulfone/fluorinated ester solvents

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Quick Facts
Patent No.
US 8,092,942
App. No.
12/961,587
Granted
Jan 10, 2012
Kind
B1
Abstract

Novel multifunctional sulfone/fluorinated ester compounds are described. These compounds may be useful as non-aqueous electrolyte solvents, specialty solvents, and starting materials and intermediates for synthesis of dyes, agricultural chemicals, and pharmaceuticals.

Claims (5)

1. A composition represented by the structure:

wherein R 1 is C1 to C4 fluoroalkyl; R 2 is C1 to C6 alkylene radical, optionally substituted with one or more ether oxygens; and R 3 is C1 to C6 alkyl, optionally substituted with one or more ether oxygens.

2. The composition according to claim 1 wherein R 1 is CF 3 , R 2 is CH 2 CH 2 , and R 3 is CH 3 .

3. The composition according to claim 1 wherein R 1 is CF 2 H, R 2 is CH 2 CH 2 , and R 3 is CH 3 .

4. An electrochemical cell comprising a composition according to claim 1 .

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 1, 2024
From: SOLVAY SA
To: SYENSQO SA
Reel/Frame 066406/0174 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 21, 2017
From: E.I. DU PONT DE NEMOURS AND COMPANY
To: SOLVAY SA
Reel/Frame 042088/0537 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 9, 2010
From: CHEN, XUDONG; HOLSTEIN, WILLIAM L.
To: E. I. DU PONT DE NEMOURS AND COMPANY
Reel/Frame 025489/0038 →