METHOD OF PREPARING COMPLEX-AZO PIGMENT AND COMPLEX-AZO PIGMENT THEREOF
申请人:OHTA Masafumi
公开号:US20100010204A1
公开(公告)日:2010-01-14
A method of preparing a complex-azo pigment having plural pigment components including at least an azo pigment represented by the following formula (a)
A(H)n (a)
Pigments, both limited and unlimited by the process of making.