Charge director for liquid toner

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United States of America Patent

PATENT NO 9417545
APP PUB NO 20160170320A1
SERIAL NO

15050892

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A charge director material for charging a liquid toner, the charge director material comprising (a) nanoparticles of a simple salt and (b) a sulfosuccinate salt of the general formula MAn, wherein M is a metal, n is the valence of M, and A is an ion of the general formula (I)

description='In-line Formulae' end='lead'[R1—O—C(O)CH2CH(SO3−)C(O)—O—R2],  (I)description='In-line Formulae' end='tail'

wherein each of R1 and R2 is an alkyl group; said charge director material being substantially free of acids of the general formula (I), wherein one or both of R1 and R2 is hydrogen, and if only one of them is hydrogen, the other is an alkyl group.

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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
Almog, Yaacov Nes Ziona, IL 41 385
Israeli, Yaffa Nes Ziona, IL 5 28
Koller, Avi Nes Ziona, IL 6 19
Larson, Gary San Diego, US 15 161
Lin, Lufei San Diego, US 6 27
Silcoff, Elliad Nes Ziona, IL 18 118
Teishev, Albert Nes Ziona, IL 112 254

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