Patent · US Expired

Toner and an image formation method

US6727030B2 · kind B2 · utility

1Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2002
Grant dateApr 27, 2004
Priority date
Expiry dateNov 25, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/201
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner has a surface to which a titanium black fine particle adheres, the titanium fine particle having a property of being changed in color from black to white by flash-light.

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