Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-02-13
2007-02-13
McKane, Joseph K. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S389000, C546S264000, C548S301400
Reexamination Certificate
active
11256910
ABSTRACT:
Process for the synthesis of 5-(3-pyridylmethyl)imidazolidine-2,4-dione, according to which 5-(3-pyridylmethylene)imidazolidine-2,4-dione is subjected to a hydrogenation reaction.
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Chung Susannah L.
Connolly Bove & Lodge & Hutz LLP
McKane Joseph K.
Solvay S.A.
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