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Patent Searching and Data


Matches 1,001 - 1,050 out of 62,999

Document Document Title
WO/2007/024938A3
The invention relates to a process for the preparation of a dry toner powder containing a wax component derived from the use of an aqueous wax dispersion and formed using an evaporative limited coalescence process. Both dry and aqueous d...  
WO/2009/054676A2
Provided are a toner using a resin having an active hydrogen-containing group, and a method of preparing the toner. The toner using a resin having an active hydrogen-containing group includes a binder resin (A), a cross-linked resin havi...  
WO/2009/054624A2
Disclosed is a method for producing a polymerized toner. In the method, a mixture of colloidal silica as an aqueous dispersant and a polyvinylpyrrolidone is used during suspension polymerization. The amount of polyvinylpyrrolidone/colloi...  
WO/2009/054679A2
Provided are a toner having a core-shell structure and a method of preparing the toner. The toner of the core-shell structure includes a toner core portion having a resin with an active hydrogenactive hydrogen containing group, a coloran...  
WO/2009/053688A2
A toner comprising toner particles which comprise binder resin and colorant, wherein the binder resin is made from latexes which comprise a low molecular weight (LMW) latex of resin particles having a weight average molecular weight (Mw)...  
WO/2009/051072A1
Disclosed is a magnetic toner comprising a capsule-type toner particle, wherein the capsule-type toner particle has: a toner matrix particle (A) comprising at least a binder resin (a) mainly composed of polyester, a magnetic material and...  
WO/2009/027079A3
The present invention relates to a toner composition for forming a masking pattern for use e.g. in connection with a method of building up a three-dimensional body from a large number of mutually connected layers of powder particles that...  
WO/2009/048508A1
The present invention is core-shell polymer particles comprising a common binder polymer for the core and the shell wherein the core has a porosity and the shell is non-porous The particles have a porosity from 10 to 70 percent.  
WO/2009/049186A1
A toner formulation is disclosed comprising a binder and an IR absorbing black pigment at a concentration of 0.25 - 2.0 % by weight, including one or more infrared transmissive pigments, wherein the infrared transmissive pigments are con...  
WO/2009/044726A1
A toner having inorganic micropowders and toner particles containing at least a binder resin, a colorant and a wax component. The toner is characterized in that in a microcompression test, the toner satisfies a restoration rate Z(25) of ...  
WO/2009/044689A1
This invention provides a positively chargeable toner for electrostatic charge image development which can also be used with a toner supply-type image forming apparatus and, in the supply of a toner, can realize no significant fogging an...  
WO/2009/041634A1
This invention provides a process for producing a liquid developer for electrophotography or electrostatic recording, produced by a coacervation method, which process can produce a liquid developer which can satisfactorily maintain charg...  
WO/2009/039717A1
Colorful toner and a method of preparing the toner, the components of the colorful toner include: emulsion polymeric resin, colorful pigment, colorful magnetic powder, charge controller, wax, aqueous dispersant, silicon dioxide, hexameth...  
WO/2009/038404A2
Provided is a method of preparing a toner, the method including: preparing a solvent emulsion by stirring a medium including a polar medium, an organic solvent, and a surfactant; adding toner components including a resin and a pigment to...  
WO/2009/038202A1
This invention provides a toner, which, while suppressing contamination of an image white ground part attributable to the proportion of presence of fines having a particle diameter of not more than a specific value, residual images (ghos...  
WO/2009/014855A3
Briefly described, embodiments of this disclosure include ink composition for use in electrostatic imaging, method of making an ink formulation for use in electrostatic imaging, and the like.  
WO/2009/037459A1
A toner comprising toner particles and surface additives, the surface additives comprising: i) a surface additive A of average primary particle size not greater than 10nm; ii) a surface additive B of average primary particle size greater...  
WO/2009/031655A1
Disclosed is a toner for electrophotography which has a small particle diameter, while being excellent in fixability at low temperatures, hot offset resistance and image characteristics. Also disclosed are a method for producing such a t...  
WO/2009/005335A3
A method of synthesizing polyester toner resins comprises: polycondensing polycarboxylic acids, polyols and free fatty acids to form low molecular weight polyester resins with alkenyl group or hydroxyl group or a combination of both; whe...  
WO/2009/031403A1
Disclosed is a method for producing a toner by employing a pulverization process using a binder resin comprising a polyester resin, which enables to produce a toner having a high transfer ratio and a high charging property while reducing...  
WO/2009/031551A1
[PROBLEMS] To provide a toner for electrophotography which includes toner particles having a small particle diameter as a developing agent to achieve high resolution and which can prevent deterioration of image quality, toner ingredient ...  
WO/2009/028177A1
A binder resin for color toners which comprises a carboxyl -containing vinyl resin (C), a glycidy-containing vinyl resin (E) and a reaction product of both as the essential components and exhibits a storage modulus G' of 20 to less than ...  
WO/2009/028176A1
A binder resin for color toners which comprises a carboxyl-containing vinyl resin (C), a glycidyl-containing vinyl resin (E), and a reaction product of both as the essential components and contains both tetrahydrofuran(THF)-soluble matte...  
WO/2009/027079A2
The present invention relates to a toner composition for forming a masking pattern for use e.g. in connection with a method of building up a three-dimensional body from a large number of mutually connected layers of powder particles that...  
WO/2009/026360A2
An emissive toner composition for producing an emissive image component of an image indicia on a substrate. The emissive toner composition includes a photoluminescent agent, a charge control agent, and one or more additives, each selecte...  
WO/2009/021226A1
Toner compositions, methods for making toner compositions, and methods for coating toner particles. A method for coating toner particles may include mixing dry toner particles and a dispersion including shell particles to coat at least a...  
WO/2009/019975A1
[PROBLEMS] To provide an electrophotographic color toner that even at low development potential and low transfer potential, realizes a satisfactory image density, ensuring avoidance of ground fogging and prolonged life and to provide a n...  
WO/2009/020187A1
Disclosed is an aqueous dispersion of a low molecular weight polytetrafluoroethylene, which contains an easily removable surfactant, while having good dispersion stability. Specifically disclosed is an aqueous dispersion of a low molecul...  
WO/2009/020155A1
A toner for electrophotography which has excellent high-temperature storability and a wide range of fixation temperatures; and a process for producing the electrophotographic toner. The process for electrophotographic-toner production co...  
WO/2008/153972A3
A chemical toner is described as well as methods of preparing the same.  
WO/2009/014855A2
Briefly described, embodiments of this disclosure include ink composition for use in electrostatic imaging, method of making an ink formulation for use in electrostatic imaging, and the like.  
WO/2009/015344A1
The present disclosure relates to chemically processed toner. The toner may be prepared by an emulsion aggregation method by forming a polyester dispersion wherein the polyester has an acid value of about 5 to about 50 and a particle siz...  
WO/2009/014262A1
Provided are an electrophotographic photosensitive element which is suppressed, when used for a long time, in a recovery toner leakage from its end portion region and which is excellent in durability, and a process cartridge and an elect...  
WO/2009/011301A1
Disclosed is a toner binder which is excellent in both low-temperature fixability and blocking resistance. Also disclosed is a toner using such a toner binder. Specifically disclosed is a toner binder characterized by containing a polyes...  
WO/2009/011772A1
Method for preparation of silicone wax-containing toner particles with controlled morphology.  
WO/2009/010447A1
Metal oxides which are modified with groups of the general formula (I) -O1+n-Si(OR1)2-n-R2-NR3 2 are defined, wherein n can be 0, 1, 2, wherein R1 can be a hydrogen atom or a C-O bonded C1-C15 hydrocarbon moiety or an acetyl moiety, R2 c...  
WO/2009/011746A1
Electrographic printing of raised multidimensional toner shapes having a particular profile by electrographic techniques. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receive...  
WO/2009/011424A1
A nonmagnetic toner which comprises toner particles comprising a binder resin, a colorant, and a wax ingredient and an inorganic fine powder, characterized in that 1) when a temperature at which the value of loss tangent (tanĪ“), which i...  
WO/2009/008251A1
The present invention provides a toner containing at least two binder resins composed of at least a resin A and a resin B which are incompatible with each other, and a colorant, wherein the toner has an average circularity of 0.93 to 0.9...  
WO/2009/008433A1
In a magnetic carrier, the surface of a magnetic body core material is coated with a coating layer containing conductive particles and a charge control agent composed of the same components as the charge control agent contained in the to...  
WO/2009/009010A1
This invention provides metal oxide particles surface-treated with a cyclic silazane and a hydrophobicity-imparting agent, methods of making such, and toner compositions comprising the same.  
WO/2009/009011A1
The invention provides metal oxide particles surface-treated with at least one alkoxysilane compound, methods of making such, and toners comprising same.  
WO/2009/009008A1
This invention provides metal oxide particles surface-treated with a hydrophobicity- imparting agent, methods of making such, and toner compositions comprising the same.  
WO/2009/005208A1
A method for producing a toner is provided. The method comprises the steps of (1) dispersing a water-soluble polyvinyl alcohol having a degree of polymerization of 1,500 to 2,500 and a degree of saponification of 75 to 98% in an aqueous ...  
WO/2009/005335A2
A method of synthesizing polyester toner resins comprises: polycondensing polycarboxylic acids, polyols and free fatty acids to form low molecular weight polyester resins with alkenyl group or hydroxyl group or a combination of both; whe...  
WO/2009/001042A1
A process for preparing a toner comprising a binder resin and a colorant, wherein the binder resin comprises a polyester resin having an acid value greater than 5mg KOH/g, the process comprising: providing an aqueous dispersion of polyes...  
WO/2009/001925A1
This invention provides an electrophotographic photoreceptor, which has excellent electric characteristics and, even when repeatedly used for a long period of time, can stably form good images having a high resolution and a good quality,...  
WO/2009/001044A1
A process for preparing a toner comprising a binder resin and a colorant, wherein the binder resin comprises a polyester resin having an acid value (AV) greater than 5mg KOH/g, the process comprising: providing an aqueous dispersion of s...  
WO/2008/156117A1
A color toner which reconciles high-temperature storability with low-temperature fixing and comprises spherical particles having a small particle diameter and a narrow particle size distribution. The color toner comprises capsule type to...  
WO/2008/153105A1
An image-forming apparatus and a cartridge which inhibit troubles attributable to toner particle size distribution or toner/photoreceptor matching, such as a white-background fouling, afterimage, scattering, streaks, blurring, and blind ...  

Matches 1,001 - 1,050 out of 62,999