Charge director for liquid toner
US9417545B2 · kind B2 · utility
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19References
11Claims
0Family size
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Key dates
| Filing date | Feb 23, 2016 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Feb 23, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
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)[R1—O—C(O)CH2CH(SO3−)C(O)—O—R2], (I)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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.