Polyester toner and developer compositions
US5391452A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1993 |
| Grant date | Feb 21, 1995 |
| Priority date | — |
| Expiry date | Aug 2, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner composition comprised of pigment, an optional charge enhancing additive and a side chain polymer comprised of a polyester present as a side chain on a polyalkylene of the following formula ##STR1## wherein m, n, and o represent the number of monomer segments present; R is independently selected from the group consisting of hydrogen and alkyl; R' is independently selected from the group consisting of arylene and alkylene; R" is independently selected from the group consisting of alkylene and oxyalkylene; and wherein m is from about 10 to about 1,000, n is from about 1 to about 1,000 and o is from about 10 to about 1,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.