Class / Patent application number | Description | Number of patent applications / Date published |
430108900 | Identified carbon black adjuvant | 13 |
20090098476 | Black Toners Containing Infrared Transmissive - A toner formulation is disclosed comprising a binder, an IR absorbing colorant, and one or more infrared transmissive colorants, wherein the colorants are configured to provide a low reflectivity in the visible region of the spectrum and an intermediate reflectivity in the near infrared region of the spectrum when the toner is printed and fused onto paper. | 04-16-2009 |
20090317737 | COLOR TONER AND PREPARATION METHOD THEREOF - A color toner is provided which has a dielectric strength equal to or lower than that of a black toner containing carbon black, and which has an improved charging rate and charge stability against changes in the environment. | 12-24-2009 |
20100167195 | Carbon blacks, toners, and composites and methods of making same - A chemical toner is described as well as methods of preparing the same. | 07-01-2010 |
20100248120 | CARBON BLACK, METHOD FOR THE PRODUCTION OF CARBON BLACK OR OTHER FLAME AEROSOLS, AND DEVICE FOR CARRYING OUT SAID METHOD - The invention relates to a method for producing carbon black or other flame aerosols, comprising the following steps: the heat is removed from the flame by dissipation and/or radiation; a thin gas boundary layer is formed; the flow formed by the flame and the gas boundary layer is accelerated or expanded; the obtained aerosol is withdrawn; and the cooling surface is cleaned. The invention further relates to a device for carrying out such a method and a black carbon having a maximum pH value of 6.0, a maximum ignition residue of 0.1 percent, and a maximum 5 μm screening refuse of 200 ppm. The inventive black carbon can be used in rubber, plastic, printing inks, inks, inkjet inks, toners, lacquers, dyes, paper, bitumen, concrete, and other construction materials. | 09-30-2010 |
20110020744 | METHODS FOR REDUCING PLASTICIZATION AND BLOCKING IN TONER COMPOSITIONS - Use of a wax in a toner, such as carnauba wax, to give an increase in charge control agent in a toner, such as a magenta toner, to give an increased glass transition temperature is disclosed. The toner may contain a resin comprising amorphous and crystalline polyesters to provide good low melt characteristics. | 01-27-2011 |
20110076608 | CARBON BLACK, A PROCESS FOR PREPARATION THEREOF AND USE THEREOF - Carbon black with a content of polycyclic aromatic hydrocarbons measured by the 22 PAH method of less than 5 ppm and an STSA surface area of <90 m | 03-31-2011 |
20110236816 | CARBON BLACK, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF - The invention relates to carbon black having a C-14 content greater than 0.05 Bq/g and a ratio ΔD50/Dmode of the aggregate size distribution of less than 0.7. The carbon black is produced by thermal oxidative pyrolysis or thermal cleavage of the carbon black raw material in that the carbon black raw material contains renewable carbon black raw materials and an oxygen deficiency is present in the pyrolysis/cleavage reaction. The carbon blacks can be used in rubber and rubber mixtures, plastic, printing inks, inks, inkjet inks, toners, lacquers, paints, paper, adhesives, batteries, pastes, bitumens, concrete, and other building materials and as reducing agents in metallurgy. | 09-29-2011 |
20120070772 | ELECTROSTATIC IMAGE DEVELOPING TONER, METHOD FOR MANUFACTURING ELECTROSTATIC IMAGE DEVELOPING TONER, DEVELOPER, AND IMAGE FORMING METHOD - An electrostatic image developing toner including: a toner matrix particle having an adhering particle adhered onto the surface of a central particle, wherein a volume average value of a ratio X of a peripheral length PM to a circle-corresponding diameter D is from 3.6 to 5.0. | 03-22-2012 |
20120107736 | PROCESS FOR PREPARING POLYMERIZED TONER - The present invention relates to a process for preparing a polymerized toner, and in particular to a process for preparing a polymerized toner and a polymerized toner prepared therefrom, wherein a certain block copolymer and copper phthalocyanine are used within a predetermined range of the amounts for a carbon black dispersant during a suspension polymerization, thereby making it possible to realize a narrow particle sizes distribution, high transcription efficiency, and an enhanced image concentration. | 05-03-2012 |
20120115080 | TONER FOR DEVELOPING ELECTROSTATIC IMAGE, METHOD FOR PREPARING 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 a binder resin having an acid value of from approximately 10 mgKOH/g to approximately 20 mgKOH/g and carbon black having a surface carboxyl group density of from approximately 2×10 | 05-10-2012 |
20120308925 | Hyperpigmented black low melt toner - The present disclosure describes a hyperpigmented low melt black toner containing a thermal carbon black which exhibits reduced dielectric loss and improved tribo charging. | 12-06-2012 |
20140099577 | TONER - The toner includes toner particles containing a polyester resin A, a polyester resin B and a colorant, the polyester resin A has a polyester portion including a segment capable of forming a crystal structure and a crystal nucleating agent segment, which is bonded to an end of the polyester portion, and the polyester resin B is a resin which is free of any segments capable of forming a crystal structure, the polyester resin B has a weight average molecular weight Mwb by GPC of a THF soluble matter of 3000 or more and 100000 or less, and an SP value Sa ((cal/cm | 04-10-2014 |
20150056548 | PROPYLENE/ALPHA-OLEFIN COPOLYMER AND USES THEREOF - Provided are a propylene-based polymer useful for providing a toner that is excellent in offset resistance, can be fixed by using a low-temperature heating element and hardly has stickiness even after stored for a long period of time; and a toner including said propylene-based polymer. The present invention is directed to a propylene/α-olefin copolymer (A) which includes 60 to 90 mol % of structural units derived from propylene (a) and 10 to 40 mol % of structural units derived from α-olefins having 4 or more carbon atom (b) wherein (a)+(b)=100 mol % and which satisfies: (i) a weight average molecular weight (Mw) as measured by GPC of 3,000 to 40, 000; (ii) a melting point (Tm) as measured by DSC of 60 to 90° C.; and (iii) a half width of a crystalline melting point peak as measured by DSC of 1 to 20° C. | 02-26-2015 |