Patent · US Expired

Dry toner and image forming method using same

US6660443B2 · kind B2 · utility

68Cited by
21References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 18, 2002
Grant dateDec 9, 2003
Priority date
Expiry dateMar 18, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08797
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A dry toner including at least a modified polyester as a toner binder, wherein the modified polyester has a main peak in a molecular weight region of 1000 to 30000 in a molecular weight distribution as measured by GPC, contains 1 to 10% of a component having a molecular weight of at least 30000, and has an Mw/Mn ratio of not greater than 15.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.