Invention Grant
US08207312B2 Method of preparing complex-AZO pigment and complex-AZO pigment thereof
有权
复合AZO颜料及其复合AZO颜料的制备方法
- Patent Title: Method of preparing complex-AZO pigment and complex-AZO pigment thereof
- Patent Title (中): 复合AZO颜料及其复合AZO颜料的制备方法
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Application No.: US12498492Application Date: 2009-07-07
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Publication No.: US08207312B2Publication Date: 2012-06-26
- Inventor: Masafumi Ohta , Hiromi Tada , Yoshiki Yanagawa
- Applicant: Masafumi Ohta , Hiromi Tada , Yoshiki Yanagawa
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2008-179262 20080709; JP2008-179282 20080709; JP2009-054602 20090309
- Main IPC: C09B43/00
- IPC: C09B43/00
Abstract:
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.
Public/Granted literature
- US20100010204A1 METHOD OF PREPARING COMPLEX-AZO PIGMENT AND COMPLEX-AZO PIGMENT THEREOF Public/Granted day:2010-01-14
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