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US 6,855,470 B2Granted
Nonmagnetic black toner
AssigneeKao Corporation
InventorsShinichi Sata, Yoshihiro Ueno
Life of this patent
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Abstract
A nonmagnetic black toner comprising a resin binder; and a clorant comprising a composite oxide of two or more metals, wherein the toner has a viscosity at its softening point of from 4.5×103 to 2.3×104 Pa·s. The nonmagnetic black toner can be suitably used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Claims14
A nonmagnetic black toner comprising:
- a resin binder;
- and
- a colorant comprising a composite oxide of two or more metals,
- wherein the toner has a viscosity at its softening point of from 4.5×103 to 2.3×104 Pa·s and a softening point of from 95° to 160° C.
1 more element
A nonmagnetic black toner comprising:
- a resin binder;
- and
- a colorant comprising a composite oxide of two or more metals,
- wherein the toner has a viscosity at its softening point of from 4.5×103 to 2.3×104 Pa·s, wherein the resin binder comprises a polyester.
1 more element
Dependencies are inferred from the claim text.