Sulfone charge control agents for electrostatographic toners
US7541130B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2005 |
| Grant date | Jun 2, 2009 |
| Priority date | — |
| Expiry date | Jan 4, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09775
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention is directed to an electrostatographic toner having a sulfone charge control agent having the structure X—SO2—Y wherein X is an alkyl or aromatic group and Y is an alkyl or aromatic group. The present invention is also directed to an electorstatographic developer containing the electrostatographic toner having a sulfone charge control agent having the structure X—SO2—Y wherein X is an alkyl or aromatic group and Y is an alkyl or aromatic group and carrier particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.