Toner and manufacturing process therefor
US7862979B2 · kind B2 · utility
29Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 6, 2006 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Mar 4, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/09783
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a process for the manufacture of a toner which comprises the steps of: wherein R is a carbocyclic or heterocyclic radical which may be optionally substituted and Z1 is a bond or linker group,on condition that the amount of carboxy functional compound of Formula (1) provided in acid and/or salt form is at least 1.5% by weight, wherein the amount of carboxy functional compound is calculated according to the following equation: The process advantageously may produce a toner of small size and narrow particle size distribution. The present invention also provides a toner manufactured by the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.