Patent application number | Description | Published |
20140370426 | NON-MAGNETIC SINGLE-COMPONENT TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND PROCESS CARTRIDGE - A non-magnetic single-component toner includes a toner base particle that contains at least a binder resin and a colorant, and an external additive, wherein the external additive includes an organic particle and an inorganic particle, the binder resin contains at least an amorphous polyester resin and a crystalline polyester resin, an endothermic peak of the crystalline polyester resin obtained by differential scanning calorimetry is from 50° C. to 100° C., the organic particle contains at least one kind selected from a group consisting of higher fatty acid, higher alcohol, fatty acid ester, and fatty acid amide, and the inorganic particle is treated with silicone oil. | 12-18-2014 |
20150175954 | Method for Producing a Nutrient Additive Using a Microalga - A medium component for more efficiently culturing a microorganism or microalga is provided. A nutrient additive useful in culturing a microorganism or microalga is produced by culturing a microalga in a medium to produce biomass derived from the microalga in the medium, adding an acid to the biomass to hydrolyze the biomass, and preparing the hydrolysate of the biomass as a nutrient additive. | 06-25-2015 |
20150220009 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, AND PROCESS CARTRIDGE - An electrostatic charge image developing toner has toner particles that contain a binder resin containing a polyester resin, a release agent containing hydrocarbon-based wax, styrene(meth)acrylic resin particles, and an aluminum element, wherein fluorescent X-ray NET intensity of the aluminum element existing in the toner particles is from 0.1 to 0.3, and 70% or more of the release agent among the entire release agent exists within 800 nm from the surface of the toner particles. | 08-06-2015 |
20150268573 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, AND PROCESS CARTRIDGE - An electrostatic charge image developing toner includes toner particles containing an amorphous polyester resin (a1), a crystalline polyester resin (a2), and a styrene-acrylic resin (b) containing 2-carboxyethyl acrylate as a polymerization component. | 09-24-2015 |
20160026104 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An electrostatic charge image developing toner includes toner particles containing crosslinked resin particles having a glass transition temperature of 55° C. or higher in a surface layer of the toner particle, and silica particles having a volume average particle diameter of 30 nm to 300 nm and a coverage with respect to the toner particle from 50% to 100%. | 01-28-2016 |
20160085166 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE - An electrostatic charge image developing toner includes a toner particle including a binder resin containing a polyester resin, a release agent containing hydrocarbon wax, and a styrene (meth)acrylic resin, wherein 70% or more of the release agent of the entire release agent is present in a portion within 800 nm from the surface of the toner particle, and wherein the styrene (meth)acrylic resin forms a domain having an average diameter of smaller than 0.3 μm in the toner particle. | 03-24-2016 |
20160085167 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE - An electrostatic charge image developing toner includes toner particles containing a binder resin including a polyester resin, a release agent including a hydrocarbon wax, and a styrene (meth)acrylic resin, wherein 70% or more of the release agent with respect to the entire release agent is present within 800 nm from the surface of the toner particles, wherein the styrene (meth)acrylic resin forms domains having an average diameter of 0.3 μm to 0.8 μm in the toner particles, and wherein a number ratio of the domains included in a range of the average diameter ±0.1 μm is less than 65%. | 03-24-2016 |
20160085168 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CARTRIDGE - An electrostatic charge image developing toner, includes toner particles containing a binder resin including a polyester resin, a release agent including a hydrocarbon wax, and a styrene(meth)acrylic resin, wherein 70% or more of the release agent is present within 800 nm from a surface of the toner particles, the styrene(meth)acrylic resin in the toner particles forms a domain having an average diameter from 0.3 μm to 0.8 μm, and a number ratio of the domain being in a range of ±0.1 μm of the average diameter is 65% or more. | 03-24-2016 |