| Patent application number | Description | Published |
|---|
| 20080299478 | Toner compositions - The present disclosure provides processes for reducing the particle size of latex resins and toners produced with such resins. In embodiments, a carboxylic acid may be added to materials utilized to produce a latex and reduce the particle size of the resulting latex particles and toner particles. In accordance with the present disclosure, one may be able to utilize materials for the production of latex resins and toners which may otherwise produce particles that are too large in the absence of the carboxylic acid. | 12-04-2008 |
| 20080299479 | Toner compositions - Stabilizer compositions are provided having carboxylic acid groups. By esterifying some of the available carboxylic acid groups, the carboxylic acid number of the stabilizer may be adjusted. Such stabilizers may be utilized, in embodiments, for forming toner compositions. | 12-04-2008 |
| 20080311399 | NARROW PARTICLE SIZE DISTRIBUTION POROUS MICROSPHERES AND METHOD OF MAKING THE SAME - Porous polymer microspheres having a size of from about 3 to about 50 microns and a geometric standard deviation of about 1.25 or less are disclosed. The porous polymer microspheres are made by a method including the steps of preparing an emulsion comprised of polymer particles having an average particle size of less than about 3 microns and a diluent, subjecting the emulsion to an aggregating condition to form aggregated polymer particles, optionally coalescing the aggregated polymer particles, and removing the diluent to form the porous polymer microspheres. | 12-18-2008 |
| 20090061342 | Toner compositions - The present disclosure provides processes for reducing the particle size of latex resins and toners produced with such resins. In embodiments, a buffer may be added to materials utilized to produce a latex and reduce the particle size of the resulting latex particles and toner particles. In accordance with the present disclosure, one may be able to utilize materials for the production of latex resins and toners which may otherwise produce particles that are too large in the absence of the buffer. | 03-05-2009 |
| 20090061343 | Toner compositions - A toner having its surface functionalized with functional groups, and processes for producing the same, are provided. | 03-05-2009 |
| 20090155703 | TONER COMPOSITIONS AND PROCESSES - A toner composition includes toner particles including a polymeric resin, a colorant, a wax, and a optional coagulant. | 06-18-2009 |
| 20090239166 | IMAGING MEMBER HAVING NANO POLYMERIC GEL PARTICLES IN VARIOUS LAYERS - Imaging members useful in electrostatographic apparatuses, including printers, copiers, other reproductive devices, and digital apparatuses. More particularly, imaging members having nano polymeric gel particles embedded into one or more layers of the imaging member that provide for increased mechanical strength and improved wear. | 09-24-2009 |
| 20090246680 | LATEX PROCESSES - Processes for continuously forming latex emulsions useful in preparing toners are provided which do not require the use of solvents. | 10-01-2009 |
| 20090263740 | TONER COMPOSITIONS - The present disclosure provides processes for reducing the particle size of latex resins and toners produced with such resins. In embodiments, a gel latex may be formed as a seed particle and then utilized to form latex resins and toner particles. In accordance with the present disclosure, one may be able to utilize materials for the production of latex resins and toners which may otherwise produce particles that are too large in the absence of the gel latex. | 10-22-2009 |
| 20090269687 | IMAGING MEMBER HAVING NANO POLYMERIC GEL PARTICLES IN VARIOUS LAYERS - Imaging members useful in electrostatographic apparatuses, including printers, copiers, other reproductive devices, and digital apparatuses. More particularly, imaging members having nano polymeric gel particles embedded into one or more layers of the imaging member that provide for increased mechanical strength and improved wear. | 10-29-2009 |
| 20100266948 | SOLVENT-FREE EMULSION PROCESS - A process for making a resin emulsion suitable for use in forming toner particles is provided. In embodiments, a suitable process includes melt mixing a resin in the absence of an organic solvent, optionally adding a surfactant to the resin, adding to the resin a basic agent and water, and subjecting the resin, basic agent and water to acoustic mixing at a suitable frequency to form an emulsion of resin particles. In embodiments, the resin emulsion thus produced may be utilized to form a toner. | 10-21-2010 |
| 20100266949 | SOLVENT-FREE EMULSION PROCESS USING ACOUSTIC MIXING - A process for making toner particles is provided. In embodiments, a suitable process includes melt mixing a resin in the absence of an organic solvent, optionally adding a surfactant to the resin, adding to the resin at least one colorant and other optional toner additives, adding to the resin a basic agent and water to form a mixture, and subjecting the mixture to acoustic mixing at a suitable frequency to form to form an emulsion. A phase inversion may then be performed to create a phase inversed emulsion including a disperse phase comprising molten resin and the optional ingredients of the toner composition, at which time toner-sized droplets may be solidified from the disperse phase into toner particles, which can be recovered for use. | 10-21-2010 |
| 20100310979 | EFFICIENT SOLVENT-BASED PHASE INVERSION EMULSIFICATION PROCESS WITH DEFOAMER - A process and system for making a resin emulsion suitable for use in forming toner particles including a silicone free anti-foam agent to control foam during formation of a polyester dispersion. | 12-09-2010 |
| 20100310983 | TONER PROCESS INCLUDING MODIFYING RHEOLOGY - A process for making particles is provided. In embodiments, a suitable process includes adding a rheology modifier to an emulsion utilized to form toner particles. The rheology modifier permits the use of a higher solid content in the emulsion, with a resulting higher yield of toner particles, without requiring the use of powerful mixing equipment. | 12-09-2010 |
| 20110039199 | TONER COMPOSITIONS - A toner having a core with a first latex having a specific glass transition temperature, and further having a shell surrounding the core with a second latex having a specific glass transition temperature and possessing functional groups, and processes for producing the same. | 02-17-2011 |
| 20110086301 | EMULSION AGGREGATION TONER COMPOSITION - A toner composition that includes at least one low molecular weight amorphous polyester resin, at least one high molecular weight amorphous polyester resin, at least one crystalline polyester resin, at least one wax, at least one biocide and at least one colorant, and wherein the toner composition has a minimum fusing temperature of from about 100° C. to about 125° C. | 04-14-2011 |
| 20110150985 | METHODS FOR PREPARING PHARMACEUTICALS BY EMULSION AGGREGATION PROCESSES - A method for making a pharmaceutical by emulsion aggregation, the method including emulsifying a first pharmaceutical agent and a biodegradable resin to form a primary emulsion of pre-aggregated particles in a slurry; aggregating the pre-aggregated particles to form aggregated pharmaceutical particles in the slurry; and isolating the pharmaceutical particles. The method may be used to make time-released, multi-formulation, and inhalable pharmaceuticals. | 06-23-2011 |
| 20110151374 | METHOD AND APPARATUS OF RAPID CONTINUOUS DROP FORMATION PROCESS TO PRODUCE CHEMICAL TONER AND NANO-COMPOSITE PARTICLES - A process for making particles is provided. In embodiments, a suitable process includes a mixing tank for mixing a plurality of droplets dispersed within a liquid media. The process further includes a drop ejector controlling unit in operable communication with a drop ejector array for launching a plurality of droplets, the plurality of droplets including the plurality of particles, and an outlet port for receiving the plurality of droplets. | 06-23-2011 |
| 20110151375 | METHOD AND APPARATUS OF RAPID CONTINUOUS PROCESS TO PRODUCE CHEMICAL TONER AND NANO-COMPOSITE PARTICLES - A process for making particles is provided. In embodiments, a suitable process includes a mixing tank for mixing a plurality of particles dispersed within a liquid media and a vane unit for applying a swirling effect to the plurality of droplets received from the mixing tank through a spray nozzle. The vane unit is in operable communication with a spray nozzle for launching a plurality of droplets, the plurality of droplets including different combinations of the plurality of particles. The process further includes a plurality of outlet ports, where each of a first set of outlet ports includes a filter and of the other outlet port is filterless. | 06-23-2011 |
