Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-04-25
2006-04-25
Henley, III, Raymond (Department: 1614)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C546S293000, C514S347000
Reexamination Certificate
active
07034159
ABSTRACT:
The present invention concerns the use of 1-isopropyl-3-[(4-m-toluidino-3-pyridyl)sulphonyl]-urea in the pharmaceutical field. In particular, it proposes the use of a pure and stable polymorphic form of 1-isopropyl-3-[(4-m-toluidino-3-pyridyl)sulphonyl]-urea for the preparation of solid pharmaceutical forms, and likewise a method of synthesis to obtain such a pure and stable polymorphic form of 1-isopropyl-3-[(4-m-toluidino-3-pyridiyl)sulphonyl]-urea.
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patent: 6482417 (2002-11-01), Leibovici et al.
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patent: WO 02/067935 (2002-09-01), None
Lussana Massimiliano
Rainoni Mauro
Cosma S.p.A.
Henley III Raymond
Jagoe Donna
Lynch Jamison E.
Mahoney Joseph A.
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