| Patent application number | Description | Published |
|---|
| 20080261132 | Resin for electrostatic-image-developing toner, electrostatic-image-developing toner, electrostatic image developer, method for forming image, and image-forming apparatus - A resin for an electrostatic-image-developing toner includes a polyester resin; a vinyl polymer resin obtained by polymerization of a radically polymerizable vinyl monomer; and at least one of a nitroxide compound and a reaction product of a nitroxide compound and an acid. | 10-23-2008 |
| 20080261133 | Resin for electrostatic-image-developing toner, electrostatic-image-developing toner, electrostatic image developer, method for forming image, and image-forming apparatus - A resin for an electrostatic-image-developing toner includes a graft polymer, wherein the graft polymer has a polyester structure in the main chain thereof; the graft polymer includes monomer units derived from vinyl monomers in the side chains thereof; and at least a part of the monomer units have a residue of surfactant. | 10-23-2008 |
| 20090162762 | ELECTROSTATIC IMAGE DEVELOPING TONER, PRODUCTION METHOD THEREOF, ELECTROSTATIC IMAGE DEVELOPER, IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS - An electrostatic image developing toner includes a binder resin that includes a polyester carbonate resin or a polyester amide resin, the polyester carbonate resin or the polyester amide resin containing a dodecenylsuccinic acid unit in an mount from about 0.5 mol % to about 30 mol % as a monomer unit; and a colorant. | 06-25-2009 |
| 20100047706 | ELECTROSTATIC-IMAGE-DEVELOPING TONER, PROCESS FOR PRODUCING ELECTROSTATIC-IMAGE-DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, IMAGE-FORMING METHOD, AND IMAGE-FORMING APPARATUS - An electrostatic-image-developing toner is obtained by aggregating: resin particles, each of which has a core-shell structure, in which a difference in glass transition temperature between a resin constituting the core and a resin constituting the shell is about 20° C. or more; and releasing agent particles, each of which includes a polyester block copolymer having a weight-average molecular weight of about 3,000 or less and containing a non-crystalline polyester block containing a cyclic structure in the main chain and a crystalline polyester block containing no cyclic structure in the main chain. | 02-25-2010 |
| 20100196817 | POLYESTER RESIN FOR ELECTROSTATIC IMAGE DEVELOPING TONER AND MANUFACTURING METHOD OF THE SAME, ELECTROSTATIC IMAGE DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER AND IMAGE FORMING APPARATUS - A polyester resin for electrostatic image developing toner includes: two or more polyester blocks, and the polyester resin satisfying the following conditions (A) to (C): (A) an ester concentration of the polyester resin is about 0.01 or more and less than about 0.1; (B) a weight average molecular weight of the polyester resin is about 24,000 or more; and (C) a difference in SP values of at least two kinds of the two or more polyester blocks is about 0.1 to about 0.7. | 08-05-2010 |
| 20100233604 | ELECTROSTATIC IMAGE DEVELOPING TONER, METHOD FOR MANUFACTURING ELECTROSTATIC IMAGE DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE-FORMING METHOD AND IMAGE-FORMING APPARATUS - An electrostatic image developing toner, includes: a block copolymer that contains: a block A that has a glass transition temperature of about 60° C. or more; and a crystalline block B that has a melting point of about 25° C. or more derived from an ethylenically unsaturated compound, wherein the block copolymer satisfies the following equations (1) to (3): | 09-16-2010 |
| 20110020746 | ELECTROSTATIC IMAGE DEVELOPER, DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An electrostatic image developer is provided, the electrostatic image developer including: a carrier for an electrostatic image developer, the carrier including a core particle which has a plurality of projections on a surface of the core particle; and electrostatic image developing toners, wherein the electrostatic image developer satisfies following relationships of formulae (1) and (2): | 01-27-2011 |
| 20110171572 | TONER FOR DEVELOPING ELECTROSTATIC IMAGE, DEVELOPER FOR ELECTROSTATIC IMAGE, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS - A toner for developing an electrostatic image contains at least one of an oxidation polymerizable monomer and a polymer having an ethylenically unsaturated group, and an oxidation polymerization catalyst in a form of a composite with inorganic particles, wherein a temperature T(10 Mpa) and a temperature T(1 Mpa) satisfies the following expression (1): | 07-14-2011 |
