Invention Grant
- Patent Title: Ink-jet inks for improved image quality and reliability
- Patent Title (中): 喷墨油墨可提高图像质量和可靠性
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Application No.: US10001637Application Date: 2001-10-30
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Publication No.: US06818048B2Publication Date: 2004-11-16
- Inventor: Keshava A. Prasad , Amiya K. Chatterjee , John M. Gardner , Anne M. Kelly-Rowley
- Applicant: Keshava A. Prasad , Amiya K. Chatterjee , John M. Gardner , Anne M. Kelly-Rowley
- Main IPC: C09D1102
- IPC: C09D1102

Abstract:
The present invention provides ink-jet inks for ink-jet printing, comprising from 0.1% to 5% by weight of at least one dye; from 8% to 20% by weight of a diol selected from the group consisting of 1,2-pentanediol, 1,2-hexanediol, and combinations thereof; from 0.1% to 5% by weight of an aliphatic alcohol or aliphatic alcohol mixture; and from 0.1% to 1.5% by weight of at least one component independently selected from the group consisting of buffers, biocides, and metal chelators, with the proviso that no surfactant is present in the ink-jet ink composition. The ink-jet inks formulated according to the present invention provide good dot size, color-to-color bleed alleviation, improved coalescence, less chia, and improved print head materials compatibility.
Public/Granted literature
- US20040154497A9 Ink-jet inks for improved image quality and reliability Public/Granted day:2004-08-12
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