Invention Grant
- Patent Title: Liquid electrophotographic ink composition
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Application No.: US16094439Application Date: 2016-07-28
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Publication No.: US10591839B2Publication Date: 2020-03-17
- Inventor: Gil Bar-Haim , Shiran Zabar , Danny Feldman , Alina Grishman , Albert Teishev
- Applicant: HP Indigo B.V.
- Applicant Address: NL Amstelveen
- Assignee: HP Indigo B.V.
- Current Assignee: HP Indigo B.V.
- Current Assignee Address: NL Amstelveen
- Agency: HP Inc. Patent Department
- International Application: PCT/EP2016/068064 WO 20160728
- International Announcement: WO2018/019379 WO 20180201
- Main IPC: G03G9/12
- IPC: G03G9/12 ; C09D11/10 ; G03G9/135 ; C09D11/03 ; G03G9/08 ; C09D11/037

Abstract:
Herein is described a liquid electrostatic ink composition comprising a carrier liquid, a resin, a colorant selected from a magenta colorant, a cyan colorant and a black colorant, an amine-containing basic dispersant having a total base number (TBN) in the range of about 10 to about 65 mgKOH/g material, the amine-containing basic dispersant present in an amount from about 5 wt. % to about 40 wt. % by total weight of colorant.
Public/Granted literature
- US20190119512A1 LIQUID ELECTROPHOTOGRAPHIC INK COMPOSITION Public/Granted day:2019-04-25
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