Toner compositions with charge enhancing additives
US4904762A · kind A · utility
21Cited by
22References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1989 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Aug 21, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09741
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner composition comprised of resin, pigment, and a mixture of charge enhancing additives comprised of a first additive of distearyl dimethyl ammonium methyl sulfate, and a second additive comprised of a tetraalkyl ammonium bisulfate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.