Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2003-12-18
2009-08-04
Shameem, Golam M. M. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S527000, C548S551000
Reexamination Certificate
active
07569598
ABSTRACT:
The present invention relates to a process for the enrichment of the R,R- or S,S-configured glycopyrronium isomers and their thienyl derivatives having the R,S or S,R configuration.
REFERENCES:
patent: 6307060 (2001-10-01), Noe et al.
patent: 98/21183 (1998-05-01), None
Noe Christian
Walter Martin
Chung Susannah
Greenberg Laurence A.
Locher Ralph E.
Meda Pharma GmbH & Co. KG
Shameem Golam M. M.
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