...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8247145 | Magenta toner for developing electrostatic image A magenta toner for developing an electrostatic image, the magenta toner comprising at least a binder resin and a magenta colorant, wherein the magenta colorant comprises a compound represented by Formula (1), wherein D is represented by one of Formulas (2) to (4): | 08/21/2012 |
| 8092964 | Toner Disclosed is a toner comprising a resin and a colorant, wherein the colorant comprises a compound represented by formula (I) and a compound represented by formula (II). ... | 01/10/2012 |
| 8053153 | Toner for developing electrostatic latent image An electrophotographic toner containing a resin and a colorant is disclosed. The colorant is represented by the formula in the formula, M1 is a silicon atom (Si), a germanium atom (Ge) and a tin atom (Sn); Z is i... | 11/08/2011 |
| 8034520 | Magenta toner for developing electrostatic image Disclosed is a magenta toner, which contains magenta colorants composed of compound A represented by Formulas (1), (2) or (3) in an amount of mA and compound B selected from a group consisting of a mono-azo pigment, a naphthol pigment and rhodamine chelate pigment i... | 10/11/2011 |
| 7862974 | Toner for electrophotography An embodiment may be an electrophotographic toner which comprises at least one toner particle which comprises an inner layer and an outer layer covering the inner layer, wherein a cross-sectional area ratio of the outer layer to the inner layer is 0.05-0.46, and whe... | 01/04/2011 |
| 7807327 | Method for producing electrophotographic toner A method for producing an electrophotographic toner comprising the step of polymerizing two or more polymerizable monomers under existence of a non-polar liquid hydrocarbon, wherein at least one of the polymerizable monomers comprises a polar group; a kinematic visc... | 10/05/2010 |
| 7682769 | Method of manufacturing toner, toner, and image forming method Disclosed is a method of manufacturing toner possessing the steps of conducting a polymerization process for acquiring wax-containing polyester resin particles via condensation-polymerization of carboxylic acid and alcohol employing oil droplets after forming the oi... | 03/23/2010 |
| 7682767 | Method of manufacturing toner, toner, and image forming method Provided can be easily producible toner containing polyester resin particles, exhibiting excellent fixability and fine line reproduction, in which high quality images can stably be formed for a long duration, the toner manufacturing method, and the image forming met... | 03/23/2010 |
| 7642030 | Toner, manufacturing method thereof and image forming method A toner including toner particles each containing a resin and a colorant, wherein the toner particle has: a region A which contains the colorant and a region B through which more electrons can pass than the region A; and the region A is cov... | 01/05/2010 |
| 7541129 | Electrostatic image developing toner An electrostatic image developing toner comprising a binder resin and a colorant, wherein the toner contains a mixture of: (i) a compound represented by Formula (3); and (ii) a compound represented by Formula (1) and/or (2), wherein R1 to R8 ea... | 06/02/2009 |
| 7524601 | Toner and method of manufacturing the toner A toner is disclosed, comprising a resin (A), a colorant (B) and an alkylidenecarboxylic acid (C). ... | 04/28/2009 |
| 7507516 | Toner and method of manufacturing toner Disclosed is a method of manufacturing toner comprising the steps of adding oil-droplets containing a radically polymerizable monomer into an associated particle dispersion formed by association-fusing resin particles and colorant particles, and forming a shell by c... | 03/24/2009 |
| 7491481 | Method of manufacturing toner, toner, and image forming method A method of manufacturing a toner comprising the steps of: (i) forming oil droplets in an aqueous medium comprising a surfactant having a long chain hydrocarbon group and an acid group, the oil droplets comprising: (i-a) a polycarboxylic acid having two or more carb... | 02/17/2009 |
| 7470496 | Electrostatic image developing toner An electrostatic image developing toner comprising a binder resin and a colorant, wherein the toner comprises a compound represented by the following Formula (1): wherein, R1, R2, R3 and R | 12/30/2008 |
| 7445878 | Electrostatic charge image developing toner A toner for developing an electrostatic charge image comprising a compound represented by a following formula (1): wherein X represents H or —CO—R4; R4 represents an alkyl group having 1 to 4 carbo... | 11/04/2008 |
| 7186492 | Toner for electrostatic charge image development and image forming method A toner includes at least a crystalline compound, a binding resin and coloring agent, wherein a differential heat quantity curve measured by a differential scanning calorimeter (DSC) has a clear endothermic peak at 50 to 100° C. in a first temperature rising proces... | 03/06/2007 |