申请人:Deroover Geert
公开号:US20080308006A1
公开(公告)日:2008-12-18
A diketopyrrolo-pyrrole compound according to Formula (I):
wherein R
1
, R
2
, and R
3
are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, a cyano group, and an acid group; R
4
—, R
5
, and R
6
are independently selected from the group consisting of hydrogen, a halogen atom, a methyl group, an ethyl group, an tert.-butyl group, a phenyl group, and a cyano group; and wherein one of R
7
and R
8
is a group including two acid functions while the other one of R
7
and R
8
represents hydrogen. Pigment dispersions, methods for forming pigment dispersions, and use of the diketopyrrolo-pyrrole compound may include Formula (I).