Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2004-11-19
2008-10-21
Shiao, Rei-tsang (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S253000
Reexamination Certificate
active
07439261
ABSTRACT:
A novel process for the preparation of valsartan and novel intermediates useful in the preparation thereof.
REFERENCES:
patent: 5399578 (1995-03-01), Buhlmayer et al.
patent: 6869970 (2005-03-01), Marti
Allegrini Pietro
Castaldi Graziano
Geatti Paola
Toniutti Nicoletta
Verardo Giancarlo
Chung Susannah
Dipharma S.p.A.
Shiao Rei-tsang
Young & Thompson
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