Patent · US Active

Electrostatic charge image developing toner

US7488561B2 · kind B2 · utility

1Cited by

1References

15Claims

0Family size

Assignee

Konica Minolta Business Technologies, Inc. · JP

Inventors

Masahiro Anno · Sakai, JP
Mikihiko Sukeno · Ashiya, JP
Takanori Tanaka · Tokyo, JP

Key dates

Filing date	Jan 6, 2006
Grant date	Feb 10, 2009
Priority date	—
Expiry date	Mar 31, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/09725
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Disclosed is an electrostatic charge image developing toner containing external additives comprising at least amorphous silica and a crystallized metal oxide selected from titanium oxide, aluminum oxide, zirconium oxide, or calcium oxide, wherein the amorphous silica is present on the crystallized metal.

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