Invention Grant
- Patent Title: Azo pigment preparation
- Patent Title (中): 偶氮颜料制剂
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Application No.: US12086930Application Date: 2006-11-16
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Publication No.: US07645336B2Publication Date: 2010-01-12
- Inventor: Juergen Gerold
- Applicant: Juergen Gerold
- 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: DE102005061066 20051221
- International Application: PCT/EP2006/010980 WO 20061116
- International Announcement: WO2007/079813 WO 20070719
- Main IPC: C09B41/00
- IPC: C09B41/00 ; C09B67/18 ; C09B67/20 ; C09D11/02

Abstract:
The invention relates to an azo pigment preparation which is characterized by a content in 4,4′-diaminodicyclohexylmethane, the percentage of the trans,trans-isomer being at least 25%, based on the total amount of 4,4′-diaminodicyclohexylmethane. The azo pigment preparation according to the invention is especially suitable for producing gravure inks having improved optical density, higher luster and no ink show-through in the gravure printing of illustrations.
Public/Granted literature
- US20090025600A1 Azo Pigment Preparation Public/Granted day:2009-01-29
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