Black iron-based particles and black toner containing the same

Details Black iron-based particles and black toner containing the same Black iron-based particles and black toner containing the same

2005-01-18

2005-01-18

Le, H. Thi (Department: 1773)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S403000, C428S702000

Reexamination Certificate

active

06844067

ABSTRACT:
Black iron-based particles comprise a FeTiO3—Fe2O3solid solution or a mixed composition of a FeTiO3—Fe2O3solid solution and an iron-based oxide having a spinel structure, and having a Ti content of from more than 10.0 atm % to 40.0 atm %, calculated as Ti, based on whole Fe, and a blackness (L* value) of 6 to 13.

REFERENCES:
patent: 5652060 (1997-07-01), Uchida et al.
patent: 5873610 (1999-02-01), Szabo
patent: 6130017 (2000-10-01), Hayashi et al.
patent: 6383637 (2002-05-01), Misawa et al.
patent: 6780555 (2004-08-01), Uchida et al.

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