Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-09-22
2009-12-01
Shameem, Golam M (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S541000, C548S543000, C252S364000
Reexamination Certificate
active
07625941
ABSTRACT:
The present invention relates to compositions of matter that are useful as ionic liquids. The compositions of the invention are based on an N-substituted pyrrolidinone, said pyrrolidinone having a pendant ammonium cation that is separated from the pyrrolidone ring by a variable length alkyl spacer. The compositions comprise fluoroalkyl sulfonate anions.
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Harmer Mark Andrew
Junk Christopher P.
Manzer Leo Ernest
E.I. du Pont de Nemours and Company
Shameem Golam M
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