Patent · US Active

Toner

US8057977B2 · kind B2 · utility

30Cited by
2References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 11, 2008
Grant dateNov 15, 2011
Priority date
Expiry dateMar 15, 2030

Classification

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

Abstract

Provide is a toner including toner particles each containing at least a binder resin and a colorant, and an inorganic fine powder, in which the inorganic fine powder has a ratio (A/B) of a total pore volume A measured in a pore diameter range of from 1.9 nm or more and to 8.0 nm or less to a total pore volume B measured in a pore diameter range of from 1.9 nm or more and to 300.0 nm or less of from 0.20 or more and to 1.00 or less, and the total pore volume A is from 1.00×10−2 cm3/g or more and to 1.00 cm3/g or less.

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