Appeal No. 94-2062 Application 07/870,841 claims 19-27, which are all of the claims remaining in the application. THE INVENTION Appellants claim a method for the selective amidination of a diamino compound having a particular generic formula to an "-amino-T-guanidino compound by reacting the diamino compound with a formamidinesulfonic acid of a specified generic formula. Claim 19 is illustrative and is appended to this decision. THE REFERENCES Patchett et al. (Patchett) 0 012 401 Jun. 25, 1980 (European patent application) Alhede et al. (Alhede) 1 587 258 Apr. 1, 1981 (British patent) THE REJECTION Claims 19-27 stand rejected under 35 U.S.C. § 103 as being unpatentable over Alhede alone or in combination with Patchett. OPINION We have carefully considered all of the arguments -2-2Page: Previous 1 2 3 4 5 6 7 8 9 10 11 NextLast modified: November 3, 2007