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7455797 |
Method and apparatus for producing particles using supercritical fluid
The present invention provides a method of producing particles via a supercritical fluid processing technique, an apparatus for carrying out the method and the particles produced thereby. The...
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7449136 |
Method and apparatus for producing composite particles using supercritical fluid as plasticizing and extracting agent
The present invention provides methods for producing composite particles using supercritical fluid as a plasticizing and extracting agent, composite particles formed in accordance with the methods...
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7387752 |
Method for producing solid ceramic particles using a spray drying process
Methods for producing solid, substantially round, spherical and sintered particles from a slurry of a calcined, uncalcined or partially calcined raw material having an alumina content of greater...
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7374797 |
Continuous combined pigmented wax compounding and bichromal sphere fabrication process
A system and method for the continuous fabrication of bichromal spheres by introducing continuous streams of differently colored, pigmented polymer melts to substantially opposite sides of a...
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7240520 |
Method and device for pulverizing and granulating melts
In a process for pulverizing and granulating melts, especially oxidic slag, glass, or thermoplastic melts, in which the melts are heated with burner ( 6 ) in an antechamber ( 5 ) and ejected as a...
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7204945 |
Direct coupling of melt polymerization and solid state processing for PET
Strands of molten polyethylene terephthalate (PET) from a PET polycondensation reactor are solidified, pelletized, and cooled only to a temperature in the range of 50° C. to a temperature near the...
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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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7147806 |
Polymer microspheres/nanospheres and encapsulating therapeutic proteins therein
This invention is for an improved process to formulate polymeric microspheres/nanospheres and encapsulate therapeutic proteins and other useful substances. Non-toxic supercritical or near-critical...
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7093463 |
Method and device for producing powders that consist of substantially spherical particles
A method for producing powders that consist of substantially spherical particles from a material such as glass, ceramics or plastic that produces a highly viscous melt that solidifies at a glass...
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7087197 |
Particle formation
Method for preparing a target substance in particulate form, comprising introducing into a particle formation vessel, through separate first and second fluid inlets respectively, (a) a “target...
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7081267 |
Nanostructured powders and related nanotechnology
Methods to manufacture nanoscale particles comprising metals, alloys, intermetallics, ceramics are disclosed. The thermal energy is provided by plasma, internal energy, heat of reaction, microwave,...
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7070403 |
Device for producing fibers from a thermoplastic synthetic resin
A nozzle for producing filaments or fibers of thermoplastic synthetic resin has at the nozzle end one or more bores, preferably opening at a flat surface and receiving respective inserts or shaped...
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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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6923842 |
Method and apparatus for producing fine particles, and fine particles
A method and apparatus are invented for producing fine particles, which can readily realize the formation of fine particles of sub-μm order to 100 micron order as well as fine particles of several...
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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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6858166 |
Powder processing with pressurized gaseous fluids
Disclosed is a method of small particle precipitation, retention and dispersion of a solid or semi-solid material onto or into a carrier material. In this method, solute particles are precipitated...
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6830714 |
Process and apparatus for producing particles using a supercritical fluid
A process, and a suitable apparatus, for production of particles of a material in which stream of a dispersion of the material in a solvent and a stream of a compressible fluid antisolvent...
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6821429 |
Method and device for capturing fine particles by trapping in a solid mixture of carbon dioxide snow type
The invention concerns a method for capturing very fine particles present in a fluid flux in liquid, gaseous or supercritical state and a device therefor. The method is characterized in that it...
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6805726 |
Method for producing a powder
A method for producing a powder by pulverizing a stream of molten metal using a pulverization gas, which directly hits the molten metal stream, whereby a) a reactive gas is used as the...
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6803016 |
Device for atomizing and granulating liquid slags
In a device for atomizing and granulating liquid oxidic slags such as, e.g., converter slags, blast furnace slags or waste incineration slags, including a slag tundish having an outlet opening into...
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6780475 |
Electrostatic deposition of particles generated from rapid expansion of supercritical fluid solutions
A method for depositing a substance on a substrate that involves forming a supercritical fluid solution of at least one supercritical fluid solvent and at least one solute, discharging the...
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6773246 |
Atomizing apparatus and process
An atomizing apparatus for the production of powders or spray deposits, having an atomization device for receiving a liquid stream of molten metal or metal alloy to be atomized; at least two...
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6751831 |
Method of forming a three-dimensional camouflage fabric
A base textile with a camouflage pattern is subjected to hot fluid streams to create flat regions and puckered or wrinkled regions, enhancing the three dimensional characteristics of the resulting...
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6749902 |
Methods for producing films using supercritical fluid
A method for forming a continuous film on a substrate surface that involves depositing particles onto a substrate surface and contacting the particle-deposited substrate surface with a...
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6695990 |
Product and method for coloring concrete
Pigment-containing granules for use in coloring cement. The granules comprise at least one pigment selected from the group consisting of maganese oxide and iron oxide and a binder. The binder is a...
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6689300 |
Method of integrally forming shoe with multiple material
A method of integrally forming shoe with multiple material employs a set of molds which include a lower mold, a middle mold and an upper mold. The lower and middle mold have respectively a lower...
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6677484 |
Melt-sprayed curing agent powder and powder coating compositions made therefrom
Powder comprising substantially spherical particles of at least one compound selected from the group consisting of azelaic acid, sebacic acid, undecanedioic acid, dodecanedioic acid, brassylic...
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6653591 |
Method and apparatus for direct electrothermal-physical conversion of ceramic into nanopowder
A method of producing nanocrystalline ceramic powder by creating a plasma stream in a reactor vessel, and physically converting a ceramic precursor material into ceramic particles suspended in the...
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6635101 |
Rapid surface cooling of solder droplets by flash evaporation
A mist of liquid coolant is introduced into the path of atomized, molten, solder droplets. The mist and other conditions within the chamber are engineered to enable the liquid coolant droplets in...
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6632381 |
Production process for alumina based insulator
In insulator including alumina as a main component, a Na component in the insulator is set in the range of 0.07 to 0.5 wt % as Na 2 O. While the Na component content is as high as to have...
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6630084 |
Method of making ferrite material powder by spray pyrolysis process and method of producing ferrite magnet
A method of making a magnetoplumbite-type ferrite material powder includes the step of preparing the ferrite material powder by spraying a mixed chloride solution, in which a chloride of iron and a...
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6613114 |
Abrasive grains consisting of polycrystalline alumina
The invention relates to an abrasive grain based on electromelted alumina consisting of crystals with a hexagonal structure, of size less than 100 μm, and preferably less than 30 μm, and more...
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6592904 |
Dispersible macromolecule compositions and methods for their preparation and use
A process for preparing ultrafine powders of biological macromolecules comprises atomizing liquid solutions of the macromolecules, drying the droplets formed in the atomization step, and collecting...
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6576023 |
Method and apparatus for manufacturing microspheres
A method and an apparatus are provided for efficiently manufacturing microspheres having a uniform particle diameter. The apparatus comprises: case 1 having a lower body 1 a and an upper body ...
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6572893 |
Systems and processes for spray drying hydrophobic drugs with hydrophilic excipients
Methods for preparing dry powders having hydrophobic and hydrophilic components comprise combining solutions of the components and spray drying them simultaneously in a spray dryer. The hydrophilic...
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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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6551532 |
Method and device for forming particles
The present invention relates to a method for forming particles of a substance, comprising the step of introducing into a mixing chamber ( 8 ), in which the temperature and pressure are controlled,...
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6533563 |
Atomizing apparatus for making polymer and metal powders and whiskers
Method for making polymer particulates, such as spherical powder and whiskers, by melting a polymer material under conditions to avoid thermal degradation of the polymer material, atomizing the...
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6475524 |
Composition of matter
The invention provides a process for crystallization of amorphous and/or meta-stable crystalline regions of preformed particles by treating the particles with a supercritical or subcritical fluid...
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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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6458297 |
Method for producing pressure die-cast or injection moulded articles using salt cores
Method for producing pressure die-cast or injection moulded articles having a unit for producing salt grains, a press for forming salt filler cores by compressing the said salt grains, a pressure...
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6440337 |
Method and apparatus for the formation of particles
The invention provides a method and apparatus for forming particles of a substance, comprising (a) introducing into a particle formation chamber, the temperature and pressure in which are...
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6319434 |
Method for granulating and grinding liquid slag and device for realizing the same
In a process for granulating and disintegrating molten slags, in particular blast furnace slags, with water, a compressed water jet is directed into the slag and the slag is ejected as the jacket...
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6315806 |
Method and apparatus for producing high efficiency fibrous media incorporating discontinuous sub-micron diameter fibers, and web media formed thereby
A composite filtration medium web of fibers containing a controlled dispersion of a mixture of sub-micron and greater than sub-micron diameter polymeric fibers is described. The filtration medium...
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6296790 |
Method of producing magnesium chloride granules
A method of producing magnesium chloride granules with a particle size in the range from 0.4 to 3.0 mm suitable for fluidization, air drying and chlorinating to anhydrous state, by preparing a feed...
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6280662 |
Methods of fabrication of ceramic wafers
Ceramic powder (50) may be disposed within a flexible mold (30 and 130) to form a dense ceramic wafer (60) by hydrostatic pressing. The ceramic powder (50) may include various types of pyroelectric...
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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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6248268 |
Process of making microparticles of a thermally-gelled polysaccharide
Polymer microparticles suitable for gel chromatography are formed by spraying a composition of a thermally-gelling polymer in an aqueous medium into ambient air and allowing the atomized...
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6248267 |
Method for manufacturing fibril system fiber
The present invention provides fibril system fibers which may be employed in filter applications and in artificial leather applications, and also provides an industrially superior manufacturing...
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6227009 |
Method of making long, fine diameter glass fibers and products made with such glass fibers
Relatively viscous glass is fiberized in a rotary fiberization process at relatively high disk speeds and through relatively large diameter holes to form long, fine diameter glass fibers which...
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