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US 5,665,513 AGranted
Toner for developing electrostatic charged image
AssigneeCanon Kabushiki Kaisha
InventorsTetsuya Ida, Masaaki Taya, Tsuyoshi Takiguchi
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Abstract
The present invention provides a toner, particularly color toner, for developing an electrostatic image, which comprises toner particles containing a mixture of a binder resin, a coloring agend and compounds (I) and (II).
Claims16
A toner for developing an electrostatic image, comprising toner particles containing a mixture of a binder resin, a coloring agent and the following compounds (I) and (II), wherein the mixing ratio in weight of the compounds (I) to (II) is within a range of from 99:1 to 30:70 ##STR8## wherein, R.sup.1 is alkyl group;
- halogen group or nitro group;
- n is an integer within a range of from 1 to 4;
- a is 1 or larger integer;
- M.sup.1 is a divalent or higher metal:
- X.sup.1 is an anion or a cation;
- and .alpha. is 0 or larger integer ##STR9## wherein, R.sup.2 is alkyl group, halogen group or nitro group;
- m is an integer within a range of from 1 to 4;
- b is 1 or larger integer;
- M.sup.2 is a divalent or higher metal;
- X.sup.2 is an anion or cation;
- and .beta. is 0 or larger integer.
8 more elements
Dependencies are inferred from the claim text.