Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Reexamination Certificate
2004-01-14
2008-05-13
Habte, Kahsay T (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
Reexamination Certificate
active
07371854
ABSTRACT:
Process for the preparation of integrin inhibitors of the formula (I), in which R1, R2, R3, R4, R5and X have the meanings indicated in Claim1, and intermediate compounds
REFERENCES:
patent: 5602145 (1997-02-01), Samanen
patent: 6117910 (2000-09-01), Callahan
patent: 2001/0021709 (2001-09-01), Diefenbach et al.
Neff Bernd
Wiesner Matthias
Habte Kahsay T
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
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