Patent · US Expired

Polymer coated transition metal powder as electrostatic image toner

US4284700A · kind A · utility

5Cited by

2References

6Claims

0Family size

Assignee

Tokyo Shibaura Denki Kabushiki Kaisha · JP

Inventors

Toshihiko Oguchi · Atsugi, JP
Akio Ishizawa · Tokyo, JP
Hiromi Yoshida · Hiroshima, JP

Key dates

Filing date	Dec 19, 1979
Grant date	Aug 18, 1981
Priority date	—
Expiry date	Dec 19, 1999

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A coated powder comprising a transition metal or compound thereof prepared by the process which comprises coating the surface of a powdered transition metal or compound there with a free radical polymerizable monomer having an e value of (-)0.8 to (+)0.8 and then subjecting the resulting coated powder to free-radical polymerization conditions.

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