Ink composition

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United States of America Patent

PATENT NO 9193884
APP PUB NO 20140285593A1
SERIAL NO

14354650

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An ink composition includes a colorant, a co-solvent, and an acid chosen from oleic acid, linoleic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, and combinations thereof. The ink composition further includes lithium and water. An anti-evaporative layer forms, during uncapped non-use, at an interface between air and the ink composition in an orifice of a nozzle, thereby reducing evaporation of the water from the ink composition.

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Patent Owner(s)

  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McManus, Richard J Corvallis, US 29 133
Vasudevan, Sundar Corvallis, US 35 213
Wickramanayake, Palitha Corvallis, US 40 561

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