Appeal No. 1997-0666
Application 08/338,830
Representative claim 12 is reproduced below:
12. A composition comprising
(a) a mixture of copper phthalocyanines containing on average, from 0.1 to 3 methyl
groups per phthalocyanine nucleus; and
(b) a deflocculating agent comprising a copper phthalocyanine containing up to four
basic groups selected from those of Formulae (1) and (2),
R1
ª
- CH - N
2
2 ®
R2
Formula (1)
R1
ª
- SO - NH-R-N
2
®
R2
Formula (2)
wherein,
R & R are each independently H or C -alkyl; and1 2 1-4
R is selected from alkylene, alkenylene and cycloalkylene.
The references of record relied upon by the examiner are:
Leister et al. (Leister) 3,729,330 Apr. 24, 1973
Barraclough et al. (Barraclough) 4,152,171 May 1, 1979
2
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