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7169528 |
Process for preparing colored toner particles
A process for the preparation of colored polymeric toner particles includes: forming an organic phase by dissolving an organic polymer and, optionally, one or more additives in a water-immiscible...
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6881820 |
Rod-coil block polyimide copolymers
This invention is a series of rod-coil block polyimide copolymers that are easy to fabricate into mechanically resilient films with acceptable ionic or protonic conductivity at a variety of...
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6727341 |
Stable and high solids aqueous dispersions of blocked polyisocyanates
A stable and high-solids aqueous dispersion of blocked isocyanates, containing auxiliary solvent, is prepared by (1) preparing a solution of a polyisocyanate mixture of from 20-70% by weight of a...
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6677400 |
Aqueous dispersions of hydrophilic polyurethane resins
An aqueous polyurethane resin dispersions containing i) a polyol component with a molecular weight above 300 daltons, containing a polyether diol initiated on an aromatic diol, ii) a polyol...
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6566432 |
Coloring resin composition and molded articles
Disclosed is a coloring resin composition comprising a dispersing agent, a pigment and a thermoplastic resin, in which the dispersing agent is expressed by the following Formula 1 and the...
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6416921 |
Method for forming toner particles having controlled morphology and containing a quaternary ammonium tetraphenylborate and a polymeric phosphonium salt
A process for forming non-spherical toner particles by limited coalescence comprises: forming an organic phase comprising a polymeric material, a pigment, a quaternary ammonium tetraphenylborate...
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6359035 |
Adhesive for electroless plating and method of producing the same
This adhesive for electroless plating can be produced without causing dust explosion and is excellent as an interlaminar resin insulating layer and is obtained by mixing an organic solvent...
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6100325 |
Fluoropolymer dispersions
Dispersions, obtained starting from a system formed by a (per)fluorinated polymer in polar solvent, comprising at least: 0.1-30% by weight of a polytetrafluoroethylene or of tetrafluoroethylene...
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6034156 |
Dispersion
The presently claimed process for the production of a solid pigment/resin dispersion comprises the steps of mixing together a particulate pigment, a solid resin carrier, a water-immiscible organic...
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5908896 |
Organic aerogel microspheres
Organic aerogel microspheres which can be used in capacitors, batteries, thermal insulation, adsorption/filtration media, and chromatographic packings, having diameters ranging from about 1 micron...
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5872164 |
Process for preparing resin composition for coloring and a resin composition for coloring
A process is provided for preparing a resin composition for coloring which comprises the steps of a phase replacement and dehydration of a pigment (a); water (b); a thermoplastic resin (c), an...
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5795926 |
Preparation of finely divided polymer powders
A process is described for the preparation of finely divided polymer powders by polymerizing water-soluble monomers in the aqueous phase of a water-in-oil emulsion in the presence of water-in-oil...
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5731368 |
Aoueous vinyl polymer dispersions
Aqueous dispersions of vinyl polymers are disclosed. The polymers are copolymers of a vinyl halide, a vinyl ester, e.g., vinyl acetate, and a poly(alkylene glycol)-based macromonomer, e.g.,...
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5650255 |
Low shear toner aggregation processes
An in situ chemical process for the preparation of toner comprised of (i) the provision of a latex, which latex is comprised of polymeric resin particles, an ionic surfactant and a nonionic...
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5645968 |
Cationic Toner processes
A process for the preparation of toner comprising (i) preparing, or providing a cationic emulsion resin latex comprised of a resin derived from at least one olefinic nonpolar monomer, a cationic...
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5629367 |
Method of making pigment concentrate particles and product of same
A method of making pigment concentrate particles having pigment uniformly dispersed in a polymer and exhibiting a controlled morphology and narrow particle size distribution. The method involves...
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5627004 |
Processes for producing negatively charged toner
A process for the preparation of negatively charged toner comprising: (i) preparing a pigment dispersion, which dispersion is comprised of a pigment, an ionic surfactant, and optionally a charge...
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5620826 |
Polymer suspension method for producing toner particles
A method is provided for producing dry toner particles comprising the steps of: (i) dissolving at least one organic polymer (toner resin) in a solvent therefor to form a solution, said solvent...
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5580692 |
Solvent extraction in limited coalescence processes
Powders suitable as electographic toner and/or carrier particles and other powders which utilize a liquid dispersant are produced by limited coalescence techniques. The dispersant is removed by...
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5508341 |
Organic aerogel microspheres and fabrication method therefor
Organic aerogel microspheres which can be used in capacitors, batteries, thermal insulation, adsorption/filtration media, and chromatographic packings, having diameters ranging from about 1 micron...
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5504129 |
Dispersion and method for producing same
The specification discloses an aqueous dispersion for coatings consisting essentially of water and a water dispersible component, wherein the water dispersible component is provided by reacting...
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5482812 |
Wax Containing toner aggregation processes
A process for the preparation of toner compositions or toner particles comprising: (i) providing an aqueous pigment dispersion comprised of a pigment, an ionic surfactant, and optionally a...
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5408005 |
Process for the manufacture of an impact-resistant thermoplastic resin
A process for preparing a rubber modified thermoplastic resin, in which a latex in aqueous emulsion is prepared in the presence of an ionic surfactant; a vinyl monomer insoluble or substantially...
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5380771 |
Aqueous dispersion of amine salts of an acrylic polymer
Acrylic polymer aqueous dispersions and a method of making such dispersions are described.
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5370964 |
Toner aggregation process
A process for the preparation of toner comprising: (i) preparing a pigment dispersion in water, which dispersion is comprised of pigment, an ionic surfactant, and an optional charge control...
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5364729 |
Toner aggregation processes
A process for the preparation of toner compositions comprising: (i) preparing a pigment dispersion, which dispersion is comprised of a pigment, an ionic surfactant, and optionally a charge...
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5356988 |
Acrylic polymer aqueous dispersion made through a micro dispersion
Aqueous dispersions of amine and ammonia salts of acrylic polymers having an acid value of from about 15 to about 100 and less than 2 weight percent organic solvent and a method of making such...
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5354799 |
Limited coalescence process
A limited coalescence method of making polymer particles having an average particle size of 3 μm or less comprising dispersing the polymer particles in an organic liquid diluent after they are...
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5344738 |
Process of making toner compositions
A process for the preparation of toner compositions with a volume median particle size of from about 1 to about 25 microns, which process comprises: (i) preparing by emulsion polymerization an...
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5319019 |
Acrylic polymer aqueous dispersion with co-solvent
Aqueous dispersions of an ammonia salt of an acrylic polymer and a method of making such dispersions are described.
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5290654 |
Microsuspension processes for toner compositions
A process for the preparation of toner compositions which comprises dissolving a polymer, and optionally a pigment in an organic solvent; dispersing the resulting solution in an aqueous media...
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5272186 |
Concentration of fluoropolymer dispersions using acrylic polymers of high acid content
A process is disclosed for the concentration of aqueous fluoropolymer dispersion. Polyacrylic acid (or its salts) or an acrylic polymer of high acid content (or its salts) of average molecular...
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5214080 |
Process for producing nonaqueous dispersion-type resin
A process for the production of a nonaqueous dispersion-type resin having excellent dispersion stability and a uniform particle size, which comprises uniformly polymerizing in an aliphatic and/or...
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5104913 |
Liquid-dispersible, polymeric colorant compositions and aqueous dispersions and process for the preparation thereof
Disclosed are liquid-dispersible colorant compositions and stable aqueous dispersions of such colorant materials. The colorant is a polymeric colorant comprising a water-insoluble, polymeric...
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5093390 |
Polymer non-aqueous dispension, process for preparing the same and coating composition formulated therewith
A process for preparing polymer non-aqueous dispersions to be formulated together with a binder component in coating compositions, which comprises the steps of: (1) emulsion polymerizing a hydroxy...
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5025044 |
Extrusion isolation of blends of rubber and asphalt
Blends of asphalt emulsions or melts and aqueous elastomeric latices are prepared using a screw type extruder adapted to provide sufficient back pressure within the screw flights of the extruder to...
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4963601 |
Polymer non-aqueous dispersion, process for preparing the same and coating composition formulated therewith
A process for preparing polymer non-aqueous dispersions to be formulated together with a binder component in coating compositions, which comprises the steps of: (1) emulsion polymerizing a hydroxy...
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4945121 |
Thermosetting dyed latex colorant dispersions
Process characterized by dissolving a dye in a solution of organic solvent and an epoxy type polymer, which requires a curing agent in order to create a resultant nanosphere that will crosslink...
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4925884 |
Process for the production of concentrated emulsion polymers
The present invention relates to a process for the production of concentrated, water-soluble or water swellable emulsion polymers by the polymerization of at least one water-soluble monomer in a...
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4833060 |
Polymeric powders having a predetermined and controlled size and size distribution
Toner and/or carrier particles are prepared by dissolving a polymer in a solvent which is immiscible with water forming a suspension of small droplets of the polymer and solvent in water containing...
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4775702 |
Inversion process for producing low-skin porous friable particles of crosslinked PVC resin
Porous particles of crosslinked PVC are disclosed. The particles are skinless and have a fast powder mix time. Processes to produce the novel particles are also disclosed.
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4698395 |
Process of purifying maleic anhydride-modified polyolefin
A process of purifying maleic anhydride graft polyolefin comprising the steps of adding an aqueous solution of alkali initial hydroxide to a solution of maleic anhydride graft polyolefin containing...
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4647603 |
Controlled gelation of hydrocarbon solutions containing interpolymer complexes
The present invention relates to a process for the viscosification of an aqueous liquid which includes the steps of forming two solvent systems of an organic liquid or oil and a polar cosolvent,...
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4640945 |
Drag reduction with novel hydrocarbon soluble polyampholytes
The present invention relates to a family of novel and efficient drag reduction agents for a variety of organic solutions which comprise a family of polymeric complexes (i.e., polyampholytes) which...
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4611026 |
Emulsion and dispersion comprising cross-linked polymeric microgel prepared from polymerizing epoxy-containing monomer in the presence of an acid
A process for preparing polymeric microgel by aqueous dispersion polymerization techniques is disclosed. The emulsion can be inverted into organic diluent, and the water removed to form a...
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4582539 |
Reinforced rubbery composition
In a rubbery composition in which a silica containing material is utilized as a reinforcing agent, the hysteresis of the rubbery composition is improved by incorporating the silica containing...
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4582628 |
Vinyl-type interpolymers and uses thereof
This invention relates to vinyl-type interpolymers having an overall carbon/oxygen atom ratio of about 2 to about 4, which is preferably derived from 2 types of vinyl monomers: (1) at least one...
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4554298 |
Water soluble polymers
A water soluble polymer containing acid groups can be fractionated into higher and lower molecular weight fractions by partial neutralization of the polymer as a solution in a blend of water and a...
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4522960 |
Controlled gelation on nonaqueous solutions containing low charge density polyampholytes
A process for gelling a fluid having a viscosity of at least about 50 cps which includes the steps of: forming a solvent system of the nonpolar organic liquid and a polar cosolvent, the polar...
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4469826 |
Process for the production of dispersions of polymers in non-aqueous vehicles
Dispersions of polymer particles in non-aqueous vehicles are prepared by transferring the finely-divided polymer particles directly from an aqueous latex containing about 5 percent to 60 percent by...
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