Invention Grant
- Patent Title: Inkjet ink with self-dispersed pigment
- Patent Title (中): 具有自分散颜料的喷墨油墨
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Application No.: US13577980Application Date: 2010-03-15
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Publication No.: US09187665B2Publication Date: 2015-11-17
- Inventor: Sundar Vasudevan , Richard J Mcmanus , Palitha Wickramanayake
- Applicant: Sundar Vasudevan , Richard J Mcmanus , Palitha Wickramanayake
- Applicant Address: US TX Houston
- Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee: Hewlett-Packard Development Company, L.P.
- Current Assignee Address: US TX Houston
- Agency: Hewlett-Packard Patent Department
- International Application: PCT/US2010/027370 WO 20100315
- International Announcement: WO2011/115614 WO 20110922
- Main IPC: C08G18/08
- IPC: C08G18/08 ; C08G18/80 ; C08G73/10 ; C08K3/20 ; C08K5/06 ; C08K5/34 ; C08K5/48 ; C08L75/00 ; C09D5/00 ; C09D11/00 ; C09D11/10 ; C09D11/38 ; C08K5/09 ; C09D11/324
Abstract:
An ink composition for inkjet printing is disclosed herein. The ink composition includes a self-dispersed carbon black pigment with alkali metal counter ions, polyurethane, and an aqueous carrier. The aqueous carrier includes water, at least one water-soluble organic solvent, and at least one surfactant. In one embodiment, the aqueous carrier further includes an additive having a polar head group and a C8-C18 hydrocarbon tail.
Public/Granted literature
- US20120329921A1 INKJET INK WITH SELF-DISPERSED PIGMENT Public/Granted day:2012-12-27
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