Process for preparing encapsulated color toner compositions
US4879199A · kind A · utility
12Cited by
5References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1988 |
| Grant date | Nov 7, 1989 |
| Priority date | — |
| Expiry date | Oct 20, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09321
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is an improved stable colored toner composition comprised of resin particles, colloidal silica additive particles, and colored pigment particles; and wherein each of the toners are encapsulated in a continuous shell from about 1 to about 30 percent by weight of a waxy substance with a molecular weight of from about 500 to about 20,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.