Colored toner compositions
US5135832A · kind A · utility
28Cited by
9References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1990 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Nov 5, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09385
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A colored magnetic encapsulated toner composition comprised of a core comprised of a polymer binder, a colorless or light colored magnetic material, a color pigment, dye or mixture thereof excluding black, and a whitening agent; and which core is encapsulated in a polymeric shell containing a metal oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.