Invention Grant
US07709614B2 Crystalline modifications of C.I. pigment yellow 181 and associated production method
失效
C.I.的结晶修饰 颜料黄181和相关生产方法
- Patent Title: Crystalline modifications of C.I. pigment yellow 181 and associated production method
- Patent Title (中): C.I.的结晶修饰 颜料黄181和相关生产方法
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Application No.: US11631587Application Date: 2005-06-15
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Publication No.: US07709614B2Publication Date: 2010-05-04
- Inventor: Martin U. Schmidt , Gerald Mehltretter
- Applicant: Martin U. Schmidt , Gerald Mehltretter
- Applicant Address: DE Frankfurt
- Assignee: Clariant Produkte (Deutschland) GmbH
- Current Assignee: Clariant Produkte (Deutschland) GmbH
- Current Assignee Address: DE Frankfurt
- Agent Anthony A. Bisulca
- Priority: DE102004033287 20040709
- International Application: PCT/EP2005/006405 WO 20050615
- International Announcement: WO2006/005408 WO 20060119
- Main IPC: C09B67/48
- IPC: C09B67/48
Abstract:
Novel crystalline modifications (eta, theta, iota, kappa) of the C.I. Pigment Yellow 181, obtained when one of the known phases or another inventive phase of said pigment is treated with specific solvents. The novel crystalline phases are characterized by yellow shades and excellent coloring properties.
Public/Granted literature
- US20080058531A1 Novel Crystalline Modifications of C.i. Pigment Yellow 181 and Associated Production Method Public/Granted day:2008-03-06
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