Invention Grant
- Patent Title: Preparing and dispersing surface-modified colour pigments
- Patent Title (中): 制备和分散表面改性的彩色颜料
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Application No.: US13501275Application Date: 2010-10-15
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Publication No.: US08454743B2Publication Date: 2013-06-04
- Inventor: Geert Deroover
- Applicant: Geert Deroover
- Applicant Address: BE Mortsel
- Assignee: AGFA-GEVAERT N.V
- Current Assignee: AGFA-GEVAERT N.V
- Current Assignee Address: BE Mortsel
- Agency: Keating & Bennett, LLP
- Priority: EP09174943 20091103
- International Application: PCT/EP2010/065520 WO 20101015
- International Announcement: WO2011/054653 WO 20110512
- Main IPC: C09B67/08
- IPC: C09B67/08 ; C09B67/00 ; C09B67/20 ; C09B67/22 ; C09D11/00
Abstract:
A method of preparing a pigment includes, in order, the steps of: a) providing a pigment containing a nucleophile group under basic conditions; b) reacting the pigment with a compound according to Formula (I): wherein, X is a halogen atom or a tosylate group, and R1 and R2 independently represent an alkyl group; and c) hydrolyzing the R1-O bond and/or the R2-O bond. The obtained pigments can be used in non-aqueous pigment dispersions.
Public/Granted literature
- US20120279419A1 PREPARING AND DISPERSING SURFACE-MODIFIED COLOUR PIGMENTS Public/Granted day:2012-11-08
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