Patent application number | Description | Published |
20100136472 | TONER COMPOSITIONS - Toner particles are provided which may, in embodiments, include a high molecular weight branched or cross-linked polyester to decrease image gloss and to increase toner elasticity to prevent surface additives impaction. In embodiments, the toner particles may have a core-shell configuration, with the high molecular weight polyester in the core, the shell, or both. | 06-03-2010 |
20100143839 | TONER PROCESS - The present disclosure provides processes for increasing the shelf life and stability of resin emulsions suitable for use in forming toner particles. In embodiments, the pH of the resin emulsion is monitored, and a base is added as needed to maintain the pH of the emulsion at from about 6.5 to about 8. Maintaining the pH at from about 6.5 to about 8 prevents the degradation of the resin in the emulsion, including its molecular weight. | 06-10-2010 |
20100159375 | TONERS CONTAINING POLYHEDRAL OLIGOMERIC SILSESQUIOXANES - Disclosed is a toner composition comprising toner particles which comprise a resin, an optional colorant, and a polyhedral oligomeric silsesquioxane compound. | 06-24-2010 |
20100159376 | TONERS CONTAINING POLYHEDRAL OLIGOMERIC SILSESQUIOXANES - Disclosed is a toner composition comprising toner particles which comprise (a) a resin having chemically bonded thereto a polyhedral oligomeric silsesquioxane, (b) and an optional colorant. | 06-24-2010 |
20100203439 | TONER COMPOSITIONS AND PROCESSES - Environmentally friendly toner particles are provided which may, in embodiments, include a bio-based amorphous polyester resin, optionally in combination with another amorphous resin and/or a crystalline resin. Toner particles may, in embodiments, have a core-shell configuration, with the shell formed of the bio-based amorphous polyester resin, the amorphous polyester resin, the crystalline polyester resin, or combinations thereof. | 08-12-2010 |
20100297546 | TONER COMPOSITIONS - Toner particles are provided which may, in embodiments, include a core and a shell. In embodiments, charge control agents may be co-emulsified with a resin utilized to form a shell. The shell may prevent a crystalline resin in the core from migrating to the toner surface. Inclusion of the charge control agent in the shell itself may provide the resulting toner particles with desirable charge characteristics and sensitivity to relative humidity. | 11-25-2010 |
20100330486 | Toner Compositions - A toner including at least one amorphous polyester, at least one crystalline polyester and at least one ester wax, wherein the linear polyester and the at least one ester wax have a difference in solubility parameter of from about 0.1 to about 1.7. | 12-30-2010 |
20110003243 | TONER COMPOSITIONS AND PROCESSES - Environmentally friendly toner particles are provided which may include a bio-based amorphous polyester resin, optionally in combination with another amorphous resin and/or a crystalline resin. Methods for providing these toners are also provided. | 01-06-2011 |
20110086302 | TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an unsaturated polymeric resin, such as amorphous resins, crystalline resins, and combinations thereof; an optional colorant; an optional wax; an optional coagulant; and an IR absorber. The use of an IR absorber may permit formation of color toners that have uniform gloss and crease properties, i.e., the IR absorbers may prevent gloss and crease differences between color and black toners. | 04-14-2011 |
20110086303 | TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an unsaturated polymeric resin, such as amorphous resins, crystalline resins, and combinations thereof; an optional colorant; an optional wax; an optional coagulant; and an IR absorber. The use of an IR absorber may permit formation of color toners that have uniform gloss and crease properties, i.e., the IR absorbers may prevent gloss and crease differences between color and black toners. | 04-14-2011 |
20110091803 | CURABLE TONER COMPOSITIONS AND PROCESSES - An emulsion aggregation toner composition includes toner particles including: an amorphous polyester resin; an optional crystalline resin; an optional colorant; an optional wax; an optional coagulant; and a polymeric or oligomeric hydroxy ketone photo initiator capable of initiating crosslinking of said polyester resin, wherein at least one of the amorphous polyester resin and the optional crystalline resin when present is unsaturated. | 04-21-2011 |
20110104607 | CHEMICAL TONER CONTAINING SUBLIMATION COLORANT FOR SECONDARY TRANSFER PROCESS - A chemical toner composition that includes at least one curable amorphous resin and at least one sublimation colorant. | 05-05-2011 |
20110104609 | SYNTHESIS AND EMULSIFICATION OF RESINS - The present disclosure provides processes for producing resins suitable for use in forming toner compositions. In embodiments, the processes described herein comprise formation of latexes, including latexes for use in toners, produced without use of solvents. | 05-05-2011 |
20110136056 | TONER COMPOSITIONS - The present disclosure relates to a toner including a core comprising at least one amorphous resin, at least one crystalline resin and one or more optional ingredients such as optional colorants, optional waxes, gels, and combinations thereof. The toner also includes a shell having an environmentally friendly charge control agent co-emulsified with at least one amorphous shell resin. | 06-09-2011 |
20110212396 | BIO-BASED AMORPHOUS POLYESTER RESINS FOR EMULSION AGGREGATION TONERS - Disclosed are amorphous polyesters that contain only renewable resources designed for emulsion aggregation toner fabrication. The amorphous polyesters may be obtained from the mixture of three different monomers: 1,4:3,6-dianhydro-D-sorbitol (isosorbide), nonanedioic acid (azelaic acid), and butanedioic acid (succinic acid). Different polymer properties may be achieved depending on the ratio of these three monomers. By altering the ratio, polymers of high to low acid value can be obtained, as well as different ranges of glass transition temperatures. | 09-01-2011 |
20110217645 | TONER COMPOSITIONS AND METHODS - A toner and method for making a toner that includes an amorphous resin, a crystalline resin, and a cyanine dye. The cyanine dye improves heat cohesion without negatively effecting other desirable properties. | 09-08-2011 |
20110217648 | TONER COMPOSITIONS AND METHODS - Emulsion aggregation toner particles including a resin, polysaccharide particles, an optional wax, and an optional colorant. The toner particles contain about 1 to about 50 wt % polysaccharide particles based on the total weight of the toner particles. | 09-08-2011 |
20110300480 | Toner Compositions - The present disclosure relates to a toner including a core comprising at least one amorphous resin, at least one crystalline resin and one or more optional ingredients such as optional colorants, optional waxes, gels, and combinations thereof. The toner also includes a shell having an environmentally friendly charge control agent co-emulsified with at least one amorphous shell resin. | 12-08-2011 |
20120038723 | Curable Sublimation Ink And Sublimation Transfer Process Using Same - A transfer printing method including applying a curable sublimation ink having at least one curable component and at least one sublimation colorant in a desired pattern onto a transfer substrate to form an image on the transfer substrate at a first temperature which is below the sublimation temperature of the sublimation colorant; curing the image on the transfer substrate; and optionally, bringing the transfer substrate into contact with a final image-receiving substrate, optionally applying pressure, and heating to a second temperature which is sufficient to cause the sublimation colorant to sublime and form a permanent image on the final image-receiving substrate. | 02-16-2012 |
20120040281 | Curable Sublimation Toner And Sublimation Transfer Process Using Same - A transfer printing method including applying a curable sublimation toner having at least one curable component and at least one sublimation colorant in a desired pattern onto a transfer substrate to form an image on the transfer substrate at a first temperature which is below the sublimation temperature of the sublimation colorant; wherein the curable sublimation toner is a conventional toner or a chemical toner; and wherein the curable sublimation toner includes at least one curable amorphous resin and optionally, a crystalline resin; curing the image on the transfer substrate; and optionally, bringing the transfer substrate into contact with a final image-receiving substrate, optionally applying pressure, and heating to a second temperature which is sufficient to cause the sublimation colorant to sublime and form a permanent image on the final image-receiving substrate. | 02-16-2012 |
20120040287 | Curable Sublimation Marking Material And Sublimation Transfer Process Using Same - A curable sublimation marking material including at least one curable component and at least one sublimation colorant. Also disclosed is a transfer printing method including applying a curable sublimation marking material in a desired pattern onto a transfer substrate to form an image on the transfer substrate at a first temperature which is below the sublimation temperature of the sublimation colorant; wherein the curable sublimation marking material comprises at least one curable component and at least one sublimation colorant; curing the image on the transfer substrate; and optionally, bringing the transfer substrate into contact with a final image-receiving substrate, optionally applying pressure, and heating to a second temperature which is sufficient to cause the sublimation colorant to sublime and form a permanent image on the final image-receiving substrate. | 02-16-2012 |
20120070770 | MAGNETIC TONER COMPOSITIONS - The present disclosure relates to a magnetic toner composition. The toner composition includes one or more resins, and spherical ferromagnetic nanoparticles. Also provided is a process for preparing these toners including ferromagnetic nanoparticles. In embodiments, the aggregation of the toner is conducted at a pH greater than about 7, without the use of a coagulant. Additionally, in embodiments, freezing (stopping particle growth) and coalescence of the toner particles may be conducted at a pH greater than about 9. In yet other embodiments, the process may be conducted under an inert gas such as argon to avoid oxidation of the ferromagnetic nanoparticles during toner preparation. | 03-22-2012 |
20120107737 | Toner Compositions - Toner particles are provided which may, in embodiments, include a core and a shell formed in situ. The resins utilized to form the core, the shell, or both, may be contacted with a water soluble initiator. The resin, in embodiments present in the shell, cross-links at a temperature near the temperature for coalescence, and may prevent a crystalline resin in the core from migrating to the toner surface. | 05-03-2012 |
20120135346 | PROCESSES FOR PRODUCING POLYESTER LATEXES WITH BIO-BASED SOLVENTS - A process for making a latex emulsion suitable for use in a toner composition includes contacting at least one polyester resin with a bio-based solvent to form a resin mixture, adding a neutralizing agent and deionized water to the resin mixture, removing the solvent from the formed latex, and recovering the emulsion. The solvent removed from the formed latex may be re-used, making the process very environmentally friendly. | 05-31-2012 |
20120183896 | Rosin-Based Resin and Toner Containing Same - Disclosed is a polyester resin comprising the polycondensation product of (a) at least one diacid, acid ester, or diester; and (b) at least one diol; wherein either (i) at least one diacid, acid ester, or diester comprises a rosin diacid, rosin acid ester, or rosin diester; or (ii) at least one diol comprises a rosin diol. Also disclosed is a toner composition comprising particles which comprise the disclosed polyester resin and an optional colorant. | 07-19-2012 |
20120183897 | Rosin-Based Resin and Toner Containing Same - Disclosed is a polyester resin comprising the polycondensation product of (a) at least one diacid, acid ester, or diester; and (b) at least one diol; wherein either (i) at least one diacid, acid ester, or diester comprises a rosin diacid, rosin acid ester, or rosin diester; or (ii) at least one diol comprises a rosin diol, and wherein at least one of the rosin diacid, rosin acid ester, rosin diester, or rosin diol is either (A) an ester of a functionalized rosin or an ester of a reduced functionalized rosin, or (B) a dimerized rosin. Also disclosed is a toner composition comprising particles which comprise the disclosed polyester resin and an optional colorant. | 07-19-2012 |
20120208026 | Silica-Coated Magnetic Nanoparticles and Process for Making Same - Disclosed are magnetic coated nanoparticles comprising magnetic cores coated with silica and an organic stabilizer, the magnetic coated nanoparticles having an average particle diameter of no more than about 1,000 nanometers. Also disclosed is a process for preparing silica-coated nanoparticles which comprises: (a) dispersing magnetic nanoparticle cores in a solvent to provide a dispersion having a pH of from about 1 to about 6; (b) adding to the dispersion of magnetic nanoparticles a solution containing tetraethylorthosilicate; and (c) homogenizing or sonicating the dispersion containing the magnetic nanoparticles. | 08-16-2012 |
20120258393 | CO-EMULSIFICATION OF INSOLUBLE COMPOUNDS WITH TONER RESINS - A process for making a latex emulsion suitable for use in a toner composition includes co-emulsifying a bio-based resin with an insoluble component, such as a pigment or wax, whereby the resin encapsulates the insoluble component. The resulting latex, including the insoluble component encapsulated in the resin, may then be utilized to form a toner. The insoluble component may thus be included in toner particles, which might otherwise be difficult to achieve, using emulsion aggregation processes. | 10-11-2012 |
20120258397 | CO-EMULSIFICATION OF INSOLUBLE COMPOUNDS WITH TONER RESINS - A process for making a latex emulsion suitable for use in a toner composition includes co-emulsifying a bio-based resin with an insoluble component, such as a pigment or wax, whereby the resin encapsulates the insoluble component. The resulting latex, including the insoluble component encapsulated in the resin, may then be utilized to form a toner. The insoluble component may thus be included in toner particles, which might otherwise be difficult to achieve, using emulsion aggregation processes. | 10-11-2012 |
20120258398 | TONER COMPOSITIONS AND PROCESSES - Toners are provided, which possess low melt properties capable of producing a low gloss finish. Methods for providing these resins and toners are also provided which include the process of controlling the gloss of the toner utilizing a slow acid addition during coalescence optionally combined with little or no chelating agent added during the aggregation process. | 10-11-2012 |
20120270146 | MAGNETIC TONER COMPOSITIONS - The present disclosure relates to a process for preparing a polyester-based magnetic toner composition. The toner composition includes one or more polyester amorphous binder resins, optionally a crystalline polyester resin, and spherical barium iron oxide particles. In embodiments, the toner is prepared from barium iron oxide particles that are in a dispersion including water and a dispersant. In yet other embodiments, the process may be conducted under an inert gas such as argon to avoid oxidation of the ferromagnetic particles during toner preparation. | 10-25-2012 |
20120288789 | SUPER LOW MELT TONERS - Environmentally friendly latex particles are provided which include a gelling agent and a pigment encapsulated in an amorphous resin which may be utilized in forming EA super low melt toners. Methods for providing these resins and toners are also provided. | 11-15-2012 |
20130017373 | Stretchable Ink CompositionAANM Wu; YiliangAACI OakvilleAACO CAAAGP Wu; Yiliang Oakville CAAANM Zhang; QiAACI MiltonAACO CAAAGP Zhang; Qi Milton CAAANM Zhou; KeAACI OakvilleAACO CAAAGP Zhou; Ke Oakville CAAANM Qi; YuAACI OakvilleAACO CAAAGP Qi; Yu Oakville CAAANM Hu; Nan-XingAACI OakvilleAACO CAAAGP Hu; Nan-Xing Oakville CA - Disclosed is a stretchable ink composition which comprises water, a colorant, a surfactant, and a fluoroelastomer. | 01-17-2013 |
20130084519 | Toner with improved charging - The disclosure describes a toner process in which portion-wise addition of colorant(s) during particle formation is used to control the distribution of colorant within the toner particle, thereby enhancing A zone charge. | 04-04-2013 |
20130157187 | Toners with Improved Dielectric Loss - The disclosure describes a pigment treated with a rosin and a toner particle containing that rosin-treated pigment particle. The toner has a lower level of dielectric loss. | 06-20-2013 |
20130164668 | TONER COMPOSITIONS OF BIODEGRADABLE AMORPHOUS POLYESTER RESINS - Disclosed is a toner that includes a mixture of a bio-based amorphous polyester resin, a crystalline polyester resin, and a colorant. | 06-27-2013 |
20130196262 | SYNTHESIS OF ABIETIC ACID-BASED MACROMER FOR POLYESTER RESIN PROCESS - An improved polycondensation method for bio-based polyesters synthesized from pre-formed macromers and the corresponding compositions, which are useful for producing binder polymers for imaging applications such as emulsion-aggregation (EA) toner. | 08-01-2013 |
20130266896 | SUPER LOW MELT EMULSION AGGREGATION TONERS COMPRISING A TRANS-CINNAMIC DI-ESTER - An emulsion aggregation toner composition is disclosed that includes toner particles with at least one small crystalline molecule, such as a trans-cinnamic diester, at least one amorphous resin, optional waxes, coagulants, pigments, and combinations thereof. In other embodiments, the small crystalline molecule is biodegradable and can be made using raw materials derived from renewable resources. Such small crystalline molecules are also compatible with amorphous binder resins, to provide toner compositions with reduced minimum fusing temperatures without sacrificing electrical performance. Processes for preparing emulsion aggregation toner compositions are also described. | 10-10-2013 |
20130273471 | Low Melt Toner - Toners containing encapsulated crystalline resin have lower minimum fix temperatures without charge degradation. | 10-17-2013 |
20130337377 | Toners with Improved Dielectric Loss - The disclosure describes a pigment treated with a rosin and a toner particle containing that rosin-treated pigment particle. The toner has a lower level of dielectric loss. | 12-19-2013 |
20140127621 | SUSTAINABLE TONERS - Disclosed is a polyester resin containing the polycondensation product of (a) at least one diacid, acid ester, or diester, and (b) at least two diols. The at least two diols include a disproportionated rosin diol and 2,2-bis(4-hydroxyphenyl)propane. Also disclosed is a toner composition having particles which include the disclosed polyester resin. Further disclosed is a method of preparing the disclosed polyester resin, and a method of forming toner particles that includes the disclosed polyester resin. | 05-08-2014 |
20140134534 | Sustainable Toner - The present disclosure describes toner that is composed substantially of biodegradable and recycled materials. | 05-15-2014 |
20140147786 | PREPARATION OF POLYESTER LATEX EMULSIFICATION BY DIRECT STEAM INJECTION - A method for preparing latex emulsion compositions uses a steam-driven emulsification process, and a method for preparing a toner using the latex emulsion compositions. The method includes contacting a resin with an organic solvent and optionally a neutralization agent; and applying steam or heated water vapor to contact the resin to prepare a latex emulsion. An apparatus can perform the method. | 05-29-2014 |
20140170547 | Polyester EA Toner Comprising Furan - The present disclosure provides a bio-based polyester resin comprising a polyacidic furan, including the manufacture of such polyester resin, which resin may be used in manufacturing toner for imaging devices. | 06-19-2014 |
20140170551 | Tunable Gloss Toner - The disclosure describes an emulsion aggregation toner process wherein aspartic acid derivatives are employed as chelating agents. Also disclosed is a process for preparing toner using aspartic acid derivatives to freeze/stop toner particle growth where coalescence occurs following acidification of the reaction mixture. | 06-19-2014 |
20140170555 | Cardanol Derivatives in Polyester Toner Resins - The present disclosure provides a polyester toner resin comprising a polyhydroxylated cardanol derivative, that may be used in manufacturing an emulsion aggregation (EA) toner for imaging devices. | 06-19-2014 |
20140199623 | Tuning Toner Gloss with Bio-based Stabilizers - The disclosure describes a process to produce toner with tunable gloss levels comprising a stabilizer to freeze particle growth following aggregation, where the stabilizer does not chelate metal ions. | 07-17-2014 |
20140200298 | TONER MAKING PROCESS - Processes for making toners, and in particular, emulsion aggregation (EA) toners. These toners exhibit a low melt temperature while simultaneously exhibiting excellent relative humidity sensitivity regarding charging properties. In embodiments, the process comprises the preparation of the latex emulsion comprising high ratio resin compositions by injection of steam and neutralization agent vapors into the latex emulsion. | 07-17-2014 |
20140220322 | Stretchable Ink Composition - A stretchable ink composition comprising a polyester; a polyurethane elastomer; water; a co-solvent; an optional surfactant; and an optional colorant. | 08-07-2014 |
20140255842 | PHASE IMMERSION EMULSIFICATION PROCESS AND APPARATUS - A method for preparing a latex or dispersion, the method comprising contacting at least one resin with an organic solvent to form a resin mixture; neutralizing the resin mixture with a neutralizing agent; and subjecting the resin mixture flow to steam flow in a continuous manner to form a dispersion. A method for forming toner, the method comprising: contacting a resin to an organic solvent and a neutralizing agent to form a resin mixture; subjecting the resin mixture flow to a steam flow in a continuous manner to form a dispersion; aggregating particles from a pre-toner mixture, the pre-toner mixture comprising the dispersion, an optional colorant, and an optional wax; and coalescing the aggregated particles to form toner particles. An apparatus that can perform the methods. | 09-11-2014 |
20140305340 | METHOD AND SYSTEM FOR MAGNETIC ACTUATED MILLING FOR PIGMENT DISPERSIONS - A method for preparing a pigment dispersion includes a) adding a pigment, a surfactant, and a solvent into a vessel, b) adding magnetic particles into the vessel; and c) applying a varying magnetic field to move the magnetic particles to mill down pigment particle size. A system for preparing a pigment dispersion includes a) a vessel for holding a solution comprising pigment particles, a surfactant and a solvent, b) magnetic particles added to the solution, c) a source for applying a varying magnetic field to move the magnetic particles to mill down pigment particle size, and d) a collector for collecting the magnetic particles for re-using at a later time. | 10-16-2014 |
20140307519 | METHOD AND SYSTEM FOR MAGNETIC ACTUATED MIXING - A method and system for magnetic actuated mixing which use magnetic particles and electromagnetic field to facilitate the mixing. The method and system use magnetic particles and a generated electromagnetic field to facilitate the milling as well. The method and system can be used in any application that requires the preparation of small-sized particles at either the micro or nano scale, including for example, preparing toners, inks, wax, pigment dispersions and the like. | 10-16-2014 |
20140308612 | METHOD AND SYSTEM FOR MAGNETIC ACTUATED MIXING TO PREPARE LATEX EMULSION - A method and system for magnetic actuated mixing which use magnetic particles and magnetic field to facilitate the mixing for preparing latex emulsion. In embodiments, a suitable process includes dissolving a resin in an organic solvent, optionally adding a surfactant, adding a neutralization agent and water, adding magnetic particles, and subjecting the mixture to a magnetic actuated mixing to form a latex emulsion. In embodiments, the latex emulsion thus produced may be utilized to form a toner. | 10-16-2014 |
20140322641 | Polyester Resins Comprising Gallic Acid and Derivatives Thereof - The present disclosure provides a polyester toner resin comprising gallic acid for use in manufacturing an emulsion aggregation (EA) toner for imaging devices. | 10-30-2014 |
20140322642 | Biophenols for Polyester Toner Resins - The present disclosure provides a polyester toner resin comprising a natural phenol used in manufacturing a toner for imaging devices. | 10-30-2014 |
20140370428 | NEUTRALIZING AGENTS FOR RESIN EMULSIONS - Incorporation of organic amines as neutralization agents in based phase inversion emulsification (PIE) processes to provide emulsification of high molecular amorphous and high molecular branch amorphous polyester resins, which are traditionally difficult to emulsify. The organic amines facilitate emulsification of these resins to achieve desired particle size with a narrow size distribution. | 12-18-2014 |
20140375046 | CUSTOMIZABLE PRINT LABELS - A customizable print label used for various identification purposes and methods for making the same. In particular, the disclosed labels are printed with inks to provide specific images or markings, such as for example, letters and/or numbers, which can be removed or otherwise altered to customize the label to a user's preference. | 12-25-2014 |
20150056550 | Simplified Process for Sustainable Toner Resin - The disclosure describes a one reaction process for making a bio-based polyester resin. The resultant polyester resin retains thermal properties as compared to a similar resin but made using previous multi-step processes conducted in separate vessels. | 02-26-2015 |
20150085599 | CONTINUOUS MAGNETIC MIXING SYSTEM WITH FLEXIBLE GEOMETRIC MIXING ZONE - A mixing process and system can include a plurality of magnetic particles within a fluid such as a liquid or solid to be mixed. The fluid to be mixed is dispensed within a mixing zone that may include a mixing tube. Two or more opposing electromagnets are independently activated out of sync to affect a travel path of the magnetic particles to form a turbulence within the fluid to provide an effective mixing of the fluid. The magnetic particles may be removed from the fluid, for example by filtering, or may remain within the fluid. | 03-26-2015 |
20150086922 | LATEX FORMING PROCESS COMPRISING CONCURRENT STEAM INJECTION EMULSIFICATION AND SOLVENT DISTILLATION - A process includes dissolving a polymer in an organic solvent to form a polymer solution and forming a latex from the polymer solution by contacting the polymer solution with steam while substantially simultaneously distilling the organic solvent. | 03-26-2015 |