(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)methylene sulfone charge-control agents for electrostatographic toners
US5719001A · kind A · utility
4Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1997 |
| Grant date | Feb 17, 1998 |
| Priority date | — |
| Expiry date | Mar 14, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09775
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Charge-control agents (1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)methylene sulfones are disclosed for use in electrostatographic toners and developers. They have the general structure: ##STR1## R and Z are defined in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.