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Pierre Perreault
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Montpellier, FR
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last 30 patents
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Patent Grant
Methods for preparing n-substituted heterocyclic derivatives
Patent number
5,559,233
Issue date
Sep 24, 1996
Sanofi
Claude Bernhart
C07 - ORGANIC CHEMISTRY
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Patent Grant
N-substituted heterocyclic derivatives
Patent number
5,352,788
Issue date
Oct 4, 1994
Elf Sanofi
Claude Bernhart
C07 - ORGANIC CHEMISTRY
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Patent Grant
N-substituted heterocyclic derivatives, their preparation and the p...
Patent number
5,270,317
Issue date
Dec 14, 1993
Elf Sanofi
Claude Bernhart
C07 - ORGANIC CHEMISTRY