PolyN-vinylbenzoyl)sulfonamides! charge-control agents for electrostatographic toners and developers
US5874194A · kind A · utility
4Cited by
7References
9Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 9, 1997 |
| Grant date | Feb 23, 1999 |
| Priority date | — |
| Expiry date | Apr 9, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08706
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrostatographic toner comprising a polyN-(4-vinylbenzoyl)sulfonamide! charge-control agent is disclosed. The agent having recurring units according to the general structure: ##STR1## represents any copolymerizable comonomer and R.sup.1 represents C.sub.1 to C.sub.18 linear, branched or cyclic alkyl or C.sub.6 to C.sub.10 aryl; and PA1 m and n are each weight percent and the total of m and n is 100 weight percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.