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7575365 |
Viscosity control of particle formation by adjusting agitation speed
A method of prilling or spray drying comprising calculating and controlling the viscosity of a shear-thinnable fluid stream at a particle-forming section of a dispersion device. The method...
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7537803 |
Polymer coating/encapsulation of nanoparticles using a supercritical antisolvent process
A process, method and/or system for preparing polymer-coated nanoparticles and/or other ultrafine particles utilizing a supercritical fluid, e.g., supercritical carbon dioxide (SC CO 2 ), as an...
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7306752 |
Method for preparing resin particles, resin particles and apparatus for preparing resin particles
The present provides a method for preparing resin fine particles of a homogeneous particle size used in the fields of chemistry, medicine, electronic material or the like, resin fine particles, and...
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7208107 |
Method and device for producing spherical particles from a polymer melt
The invention relates to a method and a device for the production of spherical particles, whereby a molten prepolymer or precondensate is transformed into droplets by means of a drip nozzle, the...
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7179881 |
Process for heating PET pellet feed to a solid stating process by heat exchange with hot solid stated pellets
Considerable energy savings may be realized by recovering heat from hot PET pellets exiting a solid state polymerization reactor, and using this heat to heat cool pellets entering the crystallizer...
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7179407 |
Zero order release and temperature-controlled microcapsules and process for the preparation thereof
A microcapsule composition comprising a core material in a matrix of polymorphic shell material, releases said core material in an aqueous environment in accordance with zero order linear release...
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7175684 |
Prilling method
A prilling method comprising the steps of: providing a molten first component, mixing at least a second component with the molten first component, reacting the components to form a shear-thinnable...
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7153114 |
Granulation apparatus
Apparatus for the granulation of a predetermined substance provided in fluid, semi-fluid and similar state, comprising a prilling tower.
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7112292 |
Method of manufacturing seamless capsule
Disclosed is a method of manufacturing a spherical seamless capsule formed by encapsulating a filler material such as a medicine with a capsule shell material such as gelatin. A concentric multiple...
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RE39224 |
Apparatus and method for making uniformly sized and shaped spheres
Uniform sized and shaped spheres are formed by applying a minute periodic disturbance to a low viscosity liquid material. Pressure forces the material through at least one orifice in a crucible as...
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7074353 |
Methods of manufacturing particles
A method of manufacturing particles, especially nanoparticles, by way of precipitation from solution on a rotating surface (1) of a rotating surface reactor is disclosed. Nanoparticles with a tight...
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7037451 |
Chemical-mechanical planarization slurries and powders and methods for using same
Chemical-mechanical planarization slurries and methods for using the slurries wherein the slurry includes abrasive particles. The abrasive particles have a small particle size, narrow size...
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6991754 |
Method for making composite particles including a polymer phase
Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics.
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6927240 |
Granular solid with monodisperse particle size distribution
A process for making granular solids involving: (a) providing a substantially anhydrous preparation, which is solid at room temperature and contain at least one cosmetic feed material; (b)...
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6911164 |
Spherical sterol preparations, their production and their use
A process for making spherically-shaped sterol preparations involving: (a) providing a liquid sterol preparation; (b) forming the liquid sterol preparation into liquid sterol droplets; and (c)...
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6881359 |
Processes for the preparation of low dust, limited particle size distribution, surfactant granules
Processes for preparing surfactant granules, wherein the processes comprise: (a) passing a water-containing surfactant preparation through a casting plate, wherein the casting plate vibrates, such...
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6869551 |
Precipitation of solid particles from droplets formed using focused acoustic energy
Methods and devices are disclosed that use focused acoustic energy to generate solid particles containing at least one compound of interest. Focused acoustic radiation serves to eject droplets...
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6858167 |
Method and device for producing granulates from intermediate products of thermo-plastic polyesters and copolyesters
The invention relates to a process and an apparatus for forming molten drops of precursors of thermoplastic polyesters or copolyesters as molten monomer, oligomer, monomer/glycol mixture or after...
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6780350 |
Metal-carbon composite powders, methods for producing powders and devices fabricated from same
Metal-carbon composite powders and methods for producing metal-carbon composite powers. The powders have a well-controlled microstructure and morphology and preferably have a small average particle...
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6719933 |
Method for manufacturing seamless capsule
A method of making a spherical seamless capsule formed by encapsulating a filler material such as a medicine with a capsule shell material shell such as gelatin. A liquid capsule shell material is...
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6620351 |
Method of forming nanoparticles and microparticles of controllable size using supercritical fluids with enhanced mass transfer
The current invention, Supercritical Antisolvent Precipitation with Enhanced Mass Transfer (SAS-EM) provides a significantly improved method for the production of nano and micro-particles with a...
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6610223 |
Focused acoustic energy in the generation of solid particles
A method and device for generating solid particles using focused acoustic energy are provided. A solution of a compound of interest is provided in a solvent, which may be an aqueous fluid, a...
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6596206 |
Generation of pharmaceutical agent particles using focused acoustic energy
A method and device for generating pharmaceutical agent particles using focused acoustic energy are provided. A solution of the pharmaceutical agent is provided in a solvent, which may be an...
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6565342 |
Apparatus for making precision metal spheres
An apparatus for forming metal spheres includes a droplet generator, a buffering chamber, and a cooling drum. The droplet generator generates a droplet from a molten metal mass. The buffering...
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6471894 |
Process and device for producing granulated products
The process comprises forming drops of a liquid to be configured, introducing said drops into a configurator liquid at high temperature in order to produce the coagulation of the drops and to...
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6464906 |
Method of manufacturing spherical bodies by rotation, spherical bodies made by the method and a powder composition for use in the method
A method of making spherical bodies from powder, which comprises (1) preparing an adjusted powder so as to have at least one powder characteristic selected from the group consisting of an average...
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6461546 |
Apparatus for and method of producing monodisperse submicron polymer powders from solution
This invention describes a method of producing polymer powders from solution in a compatible solvent using a new device referred to as a microdroplets on demand generator (MODG). The embodiment of...
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6461403 |
Apparatus and method for the formation of uniform spherical particles
The present invention relates to an apparatus and method for the formation of nearly spherical particles, particularly for the formation of metal or metal alloy particles with an induced duplex...
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6458296 |
Method and device for capsulating microbial, plant and animal cells or biological and chemical substances
The invention relates to a method for capsulating microbial, plant and animal cells or biological and chemical substances, using a nozzle to obtain small, especially spherical particles by...
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6432330 |
Jet system for spherical shape devices
A system and method for making very small (e.g., 1 millimeter diameter) spherical shaped devices is disclosed. The system includes a supply system for providing predetermined amounts of raw...
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6352660 |
Preparation of composite fibers and diaphragms
Composite fibers useful for preparing diaphragms are prepared by (a) mixing a PTFE or PTFE copolymer dispersion or powder with a finely divided inorganic material and a fiber forming material, (b)...
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6269681 |
Group of particles for air filter test and method of air filter test
The present invention provides a novel group of particles for air filter inspection which solves problems caused by volatilization and scattering of those particles at the downstream side of the...
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6197073 |
Process for producing aluminum oxide beads
In order to produce aluminium oxide beads, an acid aluminium oxide sol or an acid aluminium oxide suspension is converted into droplets by a vibrating nozzle plate and pre-solidified after the...
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6162377 |
Apparatus and method for the formation of uniform spherical particles
The present invention relates to an atomization apparatus and method for the formation of substantially uniform, at least nearly spherical particles, particularly for the formation of metal...
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6139778 |
Vibrational methods of deaggregation of electrically conductive polymers and precursors thereof
The present invention is directed to vibrational methods of fabricating electrically conducting polymers and precursors thereof in which the polymer chains are deaggregated. Such deaggregated...
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6135746 |
Apparatus for prilling an oxidizing salt of ammonia
Prills of ammonium dinitramide (ADN) are prepared by melting this salt with a stabilizer and, by dry nitrogen pressure, injecting the molten salt i an inert, perfluorinated carrier liquid of...
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6124226 |
Process for forming a catalyst, catalyst support or catalyst precursor with compressed fluids
This invention relates to methods for spraying liquid compositions containing volatile solvent by using compressed fluids, such as carbon dioxide or ethane, to form solid particulates, coating...
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6087003 |
Method of coating particles and coated spherical particles
A microparticle comprising an active substance which is a central core made of liquid, gaseous or solid particle of regular or irregular shape, and the method for entrapping said active substance...
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6074581 |
Prilling by introduction of a molten liquid into a carrier liquid
Prills are prepared by melting a salt and introducing the molten salt into carrier liquid. Oxidizing salts of ammonia, ammonium nitrate (AN) and ammonium dinitramide (ADN) are melted with a...
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6074580 |
Method for the preparation of pearls and pearls obtained containing an active ingredient with an undefined crystallization point
Pearls of an active principle exhibiting an indefinite crystallization point, wherein said pearls exhibit a prolonged, immediate or combination release profiles, are made by melting the active...
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6027673 |
Method of making indium oxide microspheres for antistatic coatings
Non agglomerating hollow sub-micron size, 0.5 to 2.0 um, indium oxide microspheres are produced using an aerosol pyrolysis method using an indium compound, preferably, an indium acetate precursor,...
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6019814 |
Method of manufacturing 3D parts using a sacrificial material
A method for manufacturing precise complex three dimensional structures in which minute drops of both a product layer and a sacrificial layer are emitted from an acoustic device. The process is a...
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6000241 |
Process for making barium containing silicate glass powders
A precursor solution composition is provided for making highly pure, fine barium-containing silicate glass powders and specifically barium aluminoborosilicate (BABS) glass powders. An atomized...
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5891212 |
Apparatus and method for making uniformly
Uniform sized and shaped spheres are formed by applying a minute periodic disturbance to a low viscosity liquid material. Pressure forces the material through at least one orifice in a crucible as...
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5858531 |
Method for preparation of polymer microparticles free of organic solvent traces
The present invention relates to a new method for the production of polymer microparticles. The method is carried out in the absence of organic solvent, and consists in the steps of (a) combining...
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5843347 |
Extrusion and freeze-drying method for preparing particles containing an active ingredient
The present invention relates to a process for the preparation of particles each comprising an excipient forming a matrix and at least one active ingredient uniformly distributed in the mass of...
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5722479 |
Directional electrostatic accretion process employing acoustic droplet formation
The present invention is directed to an apparatus for manufacturing a free standing solid metal part. In the present invention metal droplets are ejected in a nozzleless fashion from a free surface...
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5720985 |
Apparatus for the manufacture of solid particles from a flowable mass
In order to form separate particles from a flowable mass, the flowable mass is fed through a pipe and extruded through holes formed along a longitudinal axis thereof. The pipe is oscillated by an...
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5698142 |
Process for the production of finely granulated solid chemical compounds
A method for the production of finely particulate solid chemical products from a molten stock comprises the steps of: (a) feeding the product, as molten stock, to an elongated treatment space,...
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5628937 |
Production of particulate materials
A process for producing solid particles by drying a spray of liquid droplets. The droplets are formed by projecting a liquid formulation as a plurality of jets J (FIG. 6) in such a way that each...
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