Invention Grant
- Patent Title: White ink
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Application No.: US15119230Application Date: 2014-03-20
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Publication No.: US11639448B2Publication Date: 2023-05-02
- Inventor: Vladek Kasperchik , Phillip C. Cagle , David Michael Ingle , Paul Joseph Bruinsma
- Applicant: Hewlett-Packard Development Company, L.P.
- Applicant Address: US CO Fort Collins
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US CO Fort Collins
- Agency: HP Inc. Patent Department
- International Application: PCT/US2014/031301 WO 20140320
- International Announcement: WO2015/142335 WO 20150924
- Main IPC: C09D11/322
- IPC: C09D11/322 ; B41M7/00 ; C09D11/10 ; B41J2/01 ; B41M5/00 ; B41M3/00

Abstract:
The present disclosure provides a white ink comprising an aqueous ink vehicle, a white colorant, and latex particles. The colorant can consist essentially of metal oxide particles present at from 2 wt % to 50 wt %, can have an average particle size from 100 nm to 1000 nm, and can have a high refractive index from 1.8 to 2.8. The latex can be present in the ink at from 2 wt % to 20 wt %, can have a glass transition temperature from 0° C. to 130° C., and can have a low refractive index from 1.3 to 1.6. The metal oxide particles and latex particles can be present in the white ink at weight ratio is from 6:1 to 1:3.
Public/Granted literature
- US20170051169A1 WHITE INK Public/Granted day:2017-02-23
Information query
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