Invention Grant
- Patent Title: Method of preparing a pigment press cake and uses thereof
- Patent Title (中): 制备颜料压饼的方法及其用途
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Application No.: US14410334Application Date: 2013-06-27
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Publication No.: US09458321B2Publication Date: 2016-10-04
- Inventor: James A. Silver , Chad C. Roberts , Christian Jackson
- Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
- Applicant Address: US DE Wilmington
- Assignee: E I DU PONT DE NEMOURS AND COMPANY
- Current Assignee: E I DU PONT DE NEMOURS AND COMPANY
- Current Assignee Address: US DE Wilmington
- Agent Simon L. Xu
- International Application: PCT/US2013/048090 WO 20130627
- International Announcement: WO2014/004771 WO 20140103
- Main IPC: C09B1/56
- IPC: C09B1/56 ; C09B67/08 ; C09D11/38 ; C09D11/102 ; C09C1/56 ; C09B67/00 ; C09B67/20 ; C09C3/10 ; C09D11/322 ; C09C3/00 ; C09C3/04

Abstract:
A process for preparing a pigment press cake is provided in which a pigment, a grinding agent, a polyetheramine, and a vehicle are subjected to grinding, followed by removal of the grinding agent and the vehicle to form a press cake. Also disclosed are a process to disperse the press cake with a polymeric dispersant in an aqueous vehicle to form a pigment dispersion and using the dispersion to form an aqueous ink jet ink.
Public/Granted literature
- US20150322267A1 METHOD OF PREPARING A PIGMENT PRESS CAKE AND USES THEREOF Public/Granted day:2015-11-12
Information query