Developer compositions with suspension polymerized styrene butadiene resins
US4963455A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1989 |
| Grant date | Oct 16, 1990 |
| Priority date | — |
| Expiry date | Oct 27, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08737
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Developer compositions with toner compositions comprised of suspension polymerized styrene butadiene polymers, pigment particles, magnetites, and charge enhancing additives; and carrier components comprised of a carrier core with a coating thereover comprised of a polymer mixture with from about 10 to about 90 percent by weight of a first polymer, and from about 90 to about 10 percent by weight of a second polymer, which first and second polymers are not in close proximity in the triboelectric series.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.