Back to results
US 8,999,618 B2Granted
Toner set, developer set, and image forming apparatus
AssigneeRicoh Company, Ltd.
InventorsRyuuta Yoshida, Satoshi Ogawa, Masaki Watanabe, Hyo Shu, Naohiro Watanabe
Life of this patent
Estimating the term…
Abstract
A toner set, including: at least one chromatic toner containing a colorant; and a transparent toner containing no colorant, wherein the chromatic toner and the transparent toner each include a releasing agent and a binder resin, and wherein an amount of a tetrahydrofuran insoluble matter in the transparent toner is smaller than an amount of a tetrahydrofuran insoluble matter in the chromatic toner.
Claims9
A toner set, comprising:
- at least one chromatic toner comprising a colorant;
- and
- a transparent toner comprising no colorant,
- wherein the chromatic toner and the transparent toner each comprise a releasing agent and a binder resin, and
- wherein an amount of a tetrahydrofuran insoluble matter in the transparent toner is smaller than an amount of a tetrahydrofuran insoluble matter in the chromatic toner, and
- wherein the chromatic toner and the transparent toner each comprise a crystalline polyester resin,
- an amount of the crystalline polyester resin in the transparent toner is greater than an amount of the crystalline polyester resin in the chromatic toner, and
- the amount of the crystalline polyester resin in the transparent toner is 5% by mass or more.
5 more elements
A toner set, comprising:
- at least one chromatic toner comprising a colorant;
- and
- a transparent toner comprising no colorant,
- wherein the chromatic toner and the transparent toner each comprise a releasing agent and a binder resin, and
- an amount of a tetrahydrofuran insoluble matter in the transparent toner is smaller than an amount of a tetrahydrofuran insoluble matter in the chromatic toner, and
- wherein the chromatic toner and the transparent toner each comprise a modified polyester resin,
- an amount of the modified polyester resin in the transparent toner is 15% by mass or less, and
- an amount of the modified polyester resin in the chromatic toner is 5% by mass or more.
5 more elements
A developer set, comprising:
- a toner set;
- and
- carriers,
- wherein the toner set comprises:
- at least one chromatic toner comprising a colorant;
- and
- a transparent toner comprising no colorant,
- wherein the chromatic toner and the transparent toner each comprise a releasing agent and a binder resin, and
- wherein an amount of a tetrahydrofuran insoluble matter in the transparent toner is smaller than an amount of a tetrahydrofuran insoluble matter in the chromatic toner, and
- wherein the chromatic toner and the transparent toner each comprise a crystalline polyester resin,
- an amount of the crystalline polyester resin in the transparent toner is greater than an amount of the crystalline polyester resin in the chromatic toner, and
- the amount of the crystalline polyester resin in the transparent toner is 5% by mass or more.
9 more elements
Dependencies are inferred from the claim text.