Appeal No. 95-2715
Application 08/117,378
a) electrochemically oxidized in the presence of an auxiliary electrolyte
or
b) oxidized with a halogen at a pH ranging from 7.5 to 14, in both cases in the
presence of a compound of the general
formula III
(III),
6
R -OH
6
in which R has the meaning stated above.
-2-
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Last modified: November 3, 2007