Patent · US Active

Toner

US10474049B2 · kind B2 · utility

28Cited by
56References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 20, 2019
Grant dateNov 12, 2019
Priority date
Expiry dateMar 20, 2039

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/09392
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

By controlling the migration to the toner particle surface of the crystalline polyester present in the toner particle, a toner is provided that exhibits an excellent durability in long-term use, a stable charging performance after holding in a high-temperature, high-humidity environment, and an excellent low-temperature fixability, in which the toner having a toner particle that contains an amorphous resin, a crystalline polyester, and a wax, wherein the toner particle includes, at the surface thereof, a coat layer containing a cyclic polyolefin resin.

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