Class / Patent application number | Description | Number of patent applications / Date published |
264012000 | By impinging or atomizing with gaseous jet or blast | 43 |
20080211122 | PROCESS FOR PRODUCING HEATSEALABLE FILTER MATERIALS - Processes for producing a filter material which contains heatsealable, biodegradable and compostable polymeric fibers and is characterized in that it additionally contains a lubricant in an amount from 0.5 to 5.0% by weight, based on the paper weight of the ready-produced filter material. | 09-04-2008 |
20090065960 | PROCESS FOR PRODUCING POLYSTYRENE FOAM PARTICLES HAVING A HIGH DENSITY - A process for producing polystyrene foam particles having a bulk density in the range from 40 to 400 g/l by extrusion of a polystyrene melt comprising carbon dioxide and/or water as blowing agent through a nozzle and underwater pelletization, wherein the underwater pelletization is carried out at a pressure in the range 1-30 bar. | 03-12-2009 |
20090091049 | AGGLOMERATION APPARATUS AND METHOD FOR PRODUCING AGGLOMERATED PARTICLES - The invention relates to an agglomeration apparatus comprising a fluid bed, a source of descending particles, one or more nozzles for atomizing an agglomeration fluid and an outlet for discharging the agglomerated particles. In the fluid bed, the particles are guided towards the outlet and pass an outer and an inner zone. The apparatus provides for the production of an improved agglomerated particulate product with a low content of fine particles. | 04-09-2009 |
20090108480 | METHOD AND DEVICE FOR GRANULATING POLYMER MELTS CONTAINING BLOWING AGENT - The invention relates to a process and an apparatus for pelletizing polymer melts comprising blowing agent in a pelletizing chamber through which a liquid flows, its pressure being above the ambient pressure. In a first step, the polymer melt is injected into the pelletizing chamber, in a second step the polymer melt is cut via a cutting apparatus into individual pellets and, in a third step, the pellets produced in the pelletizing process are discharged with the liquid from the pelletizing chamber and are then isolated from the liquid. This process also comprises at least one of the following steps:
| 04-30-2009 |
20090302489 | METHOD AND DEVICE FOR PRODUCING POLYESTER GRANULES AND/OR SHAPED PARTS WITH A LOW ACETALDEHYDE CONTENT - In the case of the method for the production of polyester granulate or moulded articles from a melt which is discharged from a polycondensation ( | 12-10-2009 |
20100025873 | METHOD AND APPARATUS FOR FABRICATING NANOPARTICLES - An apparatus and method for forming nanoparticles employs an inkjet dispenser and a nanoparticle formation device. The inkjet dispenser includes at least one orifice. A liquid solution with a substance to be transformed into nanoscale is received in the inkjet dispenser, and is dispensed from the at least one orifice to generate a plurality of microdroplets. The nanoparticle formation device is disposed to receive the microdroplets dispensed by the inkjet dispenser and form the nanoparticles therein. | 02-04-2010 |
20100084777 | PYROSPHERELATOR - Crystalline alumina particles are intimately mixed with a gaseous fuel, air and oxygen. The mixture is then ignited in a torch. Such blending of the powder with the combustible gas allows the alumina particles to be immediately heated to above their melting temperature and allows the particles to form into spheres. The spheres are then rapidly cooled to ambient temperature, providing high purity micron-sized polymorphic alumina spheres without the use of additives or special treatment. | 04-08-2010 |
20100102467 | POLYMER UNDERWATER MELT CUTTER AND PROCESSES ASSOCIATED THEREWITH - In an improved polymer melt cutter a gas is added to the cooling liquid before the cooling liquid enters the cutting chamber, or is added directly through the cutting chamber wall. This forms a cooling liquid/gas mixture in the cutting chamber, which has the advantage of providing easier startups, lower operating costs, and other advantages. Processes associated with the improved polymer melt cutter are also disclosed. | 04-29-2010 |
20100176524 | METHOD AND APPARATUS FOR NANOPOWDER AND MICROPOWDER PRODUCTION USING AXIAL INJECTION PLASMA SPRAY - A method and system for production of powders, such as micropowders and nanopowders, utilizing an axial injection plasma torch. Liquid precursor is atomized and injected into the convergence area of the plasma torch. The hot stream of particles is subsequently quenched and the resultant powders collected. | 07-15-2010 |
20100276827 | Method for Producing Nanoparticles - A method for producing nanoparticles which includes dissolving a solute into a solvent forming a solution, feeding the solution through a liquid entrance port of a convergent-divergent nozzle; feeding a carrier gas into a gas entrance port of the nozzle, mixing the solution and the carrier gas prior to entering the nozzle, upon exiting the nozzle the solution is atomized to micron sized droplets, and the evaporating the solvent and leaving behind solid state nanoparticles of the solute. | 11-04-2010 |
20110018154 | PREPARATION METHOD FOR SOLID DISPERSIONS - A method of preparation of a solid dispersion of a polyvinyl alcohol-polyethylene glycol graft copolymer (PVA-PEG graft co-polymer), such as Kollicoat IR with a BCS Class II drug or a BCS Class IV drug, whereby the method comprises: a) dissolving the polyvinyl alcohol-polyethylene glycol graft copolymer (PVA-PEG graft co-polymer) separately in a water/first alcohol mixture; and b) dissolving the BCS Class II drug or a BCS Class IV drug, in a mixture of a second alcohol with a non alcoholic organic solvent in which the compound has an high solubility; and c) mixing the both solutions to obtain a third solution with a total amount of solved solid of 1 to 15 g per 100 ml, and optionally having an acid, including inorganic acids including hydrohalic acids, e.g. hydrochloric or hydrobromic acid; sulfuric; nitric; phosphoric and the like acids; or organic acids including acetic, propanoic, hydroxyacetic, lactic, pyruvic, oxalic, malonic, succinic, maleic, fumaric, malic, tartaric, citric, methane-sulfonic, ethanesulfonic, benzenesulfonic, p-toluenesulfonic, cyclamic, salicylic, p-aminosalicylic, palmoic and the like acids in the mixture of both the solutions to achieve an acid pH; and d) spray drying the third solution. | 01-27-2011 |
20110049737 | DEVICE, METHOD AND USE FOR THE FORMATION OF SMALL PARTICLES - The invention relates to a device for producing small particles of a certain substance. The device includes first inlet means ( | 03-03-2011 |
20110147967 | Spray-Drying Process - A process for preparing a spray-dried detergent powder having: (i) detersive surfactant; (ii) polymer; and (iii) other detergent ingredients; wherein the process comprises the steps of: (a) forming an aqueous detergent slurry in a mixer; (b) transferring the aqueous detergent slurry from the mixer through at least one pump to a spray nozzle; (c) contacting a polymer to the aqueous detergent slurry after the mixer and before the spray nozzle to form a mixture; (d) spraying the mixture through the spray nozzle into a spray-drying tower; and (e) spray-drying the mixture to form a spray-dried powder. | 06-23-2011 |
20110193250 | PROCESS FOR PRODUCING HEATSEALABLE FILTER MATERIALS - Processes for producing a filter material which contains heatsealable, biodegradable and compostable polymeric fibers and is characterized in that it additionally contains a lubricant in an amount from 0.5 to 5.0% by weight, based on the paper weight of the ready-produced filter material. | 08-11-2011 |
20120001357 | MAKING NANOCRYSTALLINE MESOPOROUS SPHERICAL PARTICLES - Spherical particles of one or more elemental metals and carbon are prepared from a precursor in the form of a metal oleate. The metal oleate precursor is dispersed in a liquid vehicle and aerosol droplets of the dispersed precursor are formed in a stream of an inert gas. The aerosol droplets are heated in the stream to decompose the oleate ligand portion of the precursor and form spherical particles that have a mesoporous nanocrystalline structure. The open mesopores of the spherical particles provide a high surface area for contact with fluids in many applications. For example, the mesopores can be infiltrated with a hydrogen absorbing material, such as magnesium hydride, in order to increase the hydrogen storage capacity of the particles. | 01-05-2012 |
20120013032 | PYROSPHERELATOR - Crystalline alumina particles are intimately mixed with a gaseous fuel, air and oxygen. The mixture is then ignited in a torch. Such blending of the powder with the combustible gas allows the alumina particles to be immediately heated to above their melting temperature and allows the particles to form into spheres. The spheres are then rapidly cooled to ambient temperature, providing high purity micron-sized polymorphic alumina spheres without the use of additives or special treatment. | 01-19-2012 |
20120018913 | METHODS AND SYSTEMS FOR CONVERSION OF MOLTEN SULFUR TO POWDER SULFUR - Methods and systems are provided for converting molten sulfur to powder sulfur by gas cooling of atomized sprays of molten sulfur. Certain embodiments contemplate a vertical tower that allows molten sulfur to produce an atomized spray or mist of molten sulfur descending from the top of the vertical tower. Gas introduced to the bottom of the vertical tower flows upward intimately interfacing with the descending atomized molten sulfur spray. The molten sulfur in the form of an atomized sulfur spray is cooled by the gas to form a sulfur powder. In certain embodiments, the sulfur powder formed is sufficiently small to be suitable for combination with a base fluid for producing a slurry for convenient transport of the sulfur particulates. Advantages of certain embodiments include higher efficiencies, lower cost, and production of much smaller solid sulfur average particulate sizes, which in turn allows for easier sulfur transport. | 01-26-2012 |
20120038073 | SPRAY DRYING METHODS AND RELATED COMPOSITIONS - A method and apparatus are provided for atomizing a liquid under dispersal conditions suitable for spray drying at a commercial plant scale. In one embodiment, a liquid atomizer has a structural body adapted for connection with a spray dryer and a plurality of atomizing nozzles. Each of the atomizing nozzles includes a liquid nozzle adapted to disperse a supply of liquid and a gas nozzle adapted to disperse a supply of gas. In another embodiment, a process for producing a powder blend of at least two target substances in a single processing step is provided. | 02-16-2012 |
20120091606 | METHOD FOR MANUFACTURING FINE POLYMER, AND FINE POLYMER MANUFACTURING APPARATUS - A method for manufacturing a fine polymer including: generating superheated steam by a superheated steam generating unit ( | 04-19-2012 |
20120098151 | METHOD FOR PELLETING SPHERICAL FINE PARTICLE OF SODIUM NITRATE - Provided is a method for pelleting spherical fine particle of sodium nitrate, which comprises the following steps: 1) melting industrial sodium nitrate in a salt melting furnace, introducing into a high-level insulation buffer tank, placing in an atomizer located on top of the pelleting tower, atomizing to obtain fog droplets with size of 30 μm-0.5 mm; 2) introducing freeze-dried high-pressure air into the pelleting tower in a tangent direction from the upper inlet pipe of the tower, so that the sodium nitrate fog droplets obtained in step 1) fall spirally along the wall in the pelleting tower, to obtain sodium nitrate particle; 3) collecting the cooled sodium nitrate particle at the bottom of the tower, and packaging. Sodium nitrate particle with lower water content, higher roundness, and smaller size can be obtained, and continuous production can be realized by the method. | 04-26-2012 |
20120223450 | Systems and Methods For Forming High Performance Compressible Objects - The present systems and methods utilize a polyamic acid solution as a precursor to form a polyimide bead having desired properties. The polyamic acid solution may be formed into a polyamic acid droplet. The polyamic acid droplet is then processed to form a polyamic acid bead, such as by extraction of solvent to concentrate the polyamic acid or by partial chemical imidization of the polyamic acid. The polyamic acid bead is then better able to retain its shape during subsequent processing steps, such as drying and pressurizing, before final thermal imidization. | 09-06-2012 |
20120286439 | PREPARATION OF PARTICULATE POSITIVE ELECTRODE MATERIAL FOR LITHIUM ION CELLS - A particulate positive electrode material for lithium ion cells is prepared by dispersing manganese(II) sulfate, iron(II) sulfate, and lithium phosphate and/or lithium hydrogenphosphate in water to form a slurry, effecting hydrothermal reaction in an autoclave to synthesize a lithium compound: LiMn | 11-15-2012 |
20120292797 | SOLID PHARMACEUTICAL DISPERSIONS WITH ENHANCED BIOAVAILABILITY - Spray dried solid dispersions comprising a sparingly soluble drug and hydroxypropylmethylcellulose acetate succinate (HPMCAS) provide increased aqueous solubility and/or biavailability in a use environment. | 11-22-2012 |
20120306109 | Method For Evenly Preparing Filament By Using High-Shearing Solution of Ultrahigh-Molecular-Weight Polyethylene - A method for evenly preparing filament by using high-shearing solution of ultrahigh-molecular-weight polyethylene is disclosed. The method involves mixing an ultrahigh-molecular-weight polyethylene with a solvent in a predetermined ratio, and processing the mixture through a high-shear method to prepare an ultrahigh-molecular-weight polyethylene emulsion solution that is extruded by a dual-screw extruder and quenched in chilled water into a gel protofilament. The gel protofilament is then cleaned by a hydrocarbon cleaning agent before undergoing extraction drawing, drying and hot drawing multiple times so as to form high-tenacity, high-modulus polyethylene fiber. The resultant fiber has good mechanical properties and less fiber misalignment while its production enjoys advantages of low energy consumption, good production conditions, and short production cycle. | 12-06-2012 |
20130009330 | Spray Drying Vancomycin - A method and formulation for preparing spray dried vancomycin. In various embodiment, the formulation includes vancomycin HCl (10-20%) and one or more of the following PEG (0-5%), mannitol (0-5%), ethanol (0-10%), and a citrate buffer. Spray dried vancomycin has favorable reconstitution times and water content. | 01-10-2013 |
20130093111 | Apparatus and Method for the Production of Particles - An apparatus for the production of particles of a substance by dynamic precipitation of the substance from a fluid solution containing the substance dissolved in a fluid solvent. The apparatus is characterized by comprising A) a first main flow line FL | 04-18-2013 |
20130161848 | PROCESS FOR MAKING STERILE ARIPIPRAZOLE OF DESIRED MEAN PARTICLE SIZE - A process is provided for making sterile aripiprazole having an average particle size less than 100 microns but preferably greater than 25 microns employing an impinging jet crystallization procedure. The resulting bulk aripiprazole of desired particle size may be used to form a sterile freeze-dried aripiprazole formulation, which upon constitution with water and intramuscular injection releases aripiprazole over a period of at least about one week and up to about eight weeks. | 06-27-2013 |
20130234350 | Method And Apparatus For Micropelletization - In a method and apparatus for micropelletization of a polymeric material, a melt thread of the polymeric material is formed by an extruder. A flowing gas is directed to the melt thread to form Rayleigh disturbances in the melt thread and break up the melt thread into discrete microdroplets. The discrete microdroplets are then solidified to form micropellets. | 09-12-2013 |
20130320575 | SPRAY-DRYING PROCESS - The present invention is to a process for preparing a spray-dried detergent powder comprising: (a) forming an aqueous detergent slurry in a mixer; (b) transferring the aqueous detergent slurry from the mixer to a pipe leading through a first pump and then through a second pump to a spray nozzle; (c) contacting a liquid detergent ingredient having a viscosity of less than 2 Pa·s to the aqueous detergent slurry in the pipe after the first pump and before the second pump to form a mixture; (d) spraying the mixture through the spray nozzle into a spray-drying tower; and (e) spray-drying the mixture to form a spray-dried powder, wherein a nitrogen-rich gas is introduced between the first and second pumps. | 12-05-2013 |
20130328225 | PROCESS AND APPARATUS FOR PRODUCING NANOFIBERS USING A TWO PHASE FLOW NOZZLE - The disclosure relates to an apparatus and method for producing nanofibers and non-woven nanofibrous materials from polymer melts, liquids and particles using a two-phase flow nozzle. The process comprises supplying a first phase comprising a polymer melt and a second phase comprising a pressurized gas stream to a two-phase flow nozzle; injecting the polymer melt and the pressurized gas stream into a mixing chamber within the two-phase flow nozzle wherein the mixing chamber combines the polymer flow and pressurized gas into a two-phase flow; distributing the two-phase flow uniformly to a converging channel terminating into an channel exit wherein the converging channel accelerates the two-phase flow creating a polymeric film along the surface of the converging channel and fibrillating the polymeric film at the channel exit of the converging channel in the form of a plurality of nanofibers. | 12-12-2013 |
20140042652 | GAS DISPERSION MANUFACTURE OF NANOPARTICULATES, AND NANOPARTICULATE-CONTAINING PRODUCTS AND PROCESSING THEREOF - In one aspect, the present invention relates to a method of making multi-phase particles that include nanoparticulates and matrix, which maintains the nanoparticulates in a dispersed state. A flowing gas dispersion is generated that includes droplets of a precursor medium dispersed in a gas phase. The precursor medium contains liquid vehicle and at least a first precursor to a first material and a second precursor to a second material. The multi-phase particles are formed from the gas dispersion by removing at least a portion of the liquid vehicle from the droplets of precursor medium. The nanoparticulates in the multi-phase particles include the first material and the matrix in the multi-phase particles includes the second material. | 02-13-2014 |
20140175686 | Poorly Soluble Drug Containing Microspheres With Improved Bioavailability And Method Of Preparing The Same - A poorly soluble drug containing microsphere with improved bioavailability, an oral formulation comprising the same, and a method of preparing the same are provided, wherein the poorly soluble drug containing microsphere is a solid dispersion wherein the poorly soluble drug is dispersed in the water-soluble polymer carrier in a noncrystalline form by spray drying, thus increasing bioavailability of the poorly soluble drug. | 06-26-2014 |
20140183768 | PHARMACEUTICAL COMPOSITIONS - Methods of spray drying are described. | 07-03-2014 |
20140284829 | METHOD FOR THE PREPARATION OF METAL ORGANIC FRAMEWORKS - A process for the preparation of a dry crystalline metal organic framework which comprises: a) spray drying at least one metal ion and at least one organic ligand which is at least bidentate into a spray dryer in the presence of a solvent, wherein the reaction of the at least one metal ion with the at least one organic ligand to yield the metal organic framework and the drying of the obtained metal organic framework take place simultaneously inside the spray dryer, and b) collecting the formed dry crystalline metal organic framework. | 09-25-2014 |
20140327165 | Method for Preparing a Material of a Battery Cell - A continuous process for producing a material of a battery cell using a system having a mist generator, a drying chamber, one or more gas-solid separators and a reactor is provided. A mist generated from a liquid mixture of two or more metal precursor compounds in desired ratio is dried inside the drying chamber. Heated air or gas is served as the gas source for forming various gas-solid mixtures and as the energy source for reactions inside the drying chamber and the reactor. One or more gas-solid separators are used in the system to separate gas-solid mixtures from the drying chamber into solid particles mixed with the metal precursor compounds and continuously deliver the solid particles into the reactor for further reaction to obtain final solid material particles with desired crystal structure, particle size, and morphology. | 11-06-2014 |
20150021801 | MAKING NANOCRYSTALLINE MESOPOROUS SPHERICAL PARTICLES - Spherical particles of one or more elemental metals and elemental carbon are prepared from a precursor in the form of a metal oleate. The metal oleate precursor is dispersed in a liquid vehicle and aerosol droplets of the dispersed precursor are formed in a stream of an inert gas. The aerosol droplets are heated in the stream to decompose the oleate ligand portion of the precursor and form spherical particles that have a mesoporous nanocrystalline structure. The open mesopores of the spherical particles provide a high surface area for contact with fluids in many applications. For example, the mesopores can be infiltrated with a hydrogen absorbing material, such as magnesium hydride, in order to increase the hydrogen storage capacity of the particles. | 01-22-2015 |
20150028503 | METHOD FOR MAKING HOMOGENEOUS SPRAY-DRIED SOLID AMORPHOUS DRUG DISPERSIONS UTILIZING MODIFIED SPRAY-DRYING APPARATUS - Conventional spray-drying methods are improved by incorporation of a pressure nozzle and a diffuser plate to improve the flow of drying gas and a drying chamber extension to increase drying time, such improvements leading to the formation of homogeneous solid dispersions of drugs in concentration-enhancing polymers. | 01-29-2015 |
20150035182 | METHOD FOR PREPARING TOBRAMYCIN SULFATE POWDER - A method for preparing tobramycin sulfate powder for injection is provided. The method includes steps of providing a sterile tobramycin sulfate solution; and aseptically spray drying the tobramycin sulfate solution to obtain the tobramycin sulfate powder. | 02-05-2015 |
20150061169 | METHOD FOR PREPARING ACETAZOLAMIDE SODIUM POWDER - A method for preparing acetazolamide sodium powder for injection is provided. The method includes steps of providing an acetazolamide sodium solution; and aseptically spray drying the acetazolamide sodium solution to obtain the acetazolamide sodium powder. | 03-05-2015 |
20160060448 | PROCESS FOR PREPARING DISPERSION POWDERS - The invention provides a process for preparing dispersion powders by spray drying of aqueous polymer dispersions of polymers of one or more ethylenically unsaturated monomers selected from the group encompassing vinyl esters, methacrylic esters, acrylic esters, olefins, dienes, vinylaromatics, and vinyl halides with a drying gas in a nozzle atomization dryer, characterized in that the aqueous polymer dispersion (feed), before being atomized, is preheated under pressure to a temperature of 100° C. to 200° C. and is atomized at this temperature, the pressure being set such that the aqueous phase of the polymer dispersion does not boil at the temperature selected. | 03-03-2016 |
20160089815 | POLYMER PELLETIZATION VIA MELT FRACTURE - Polymer pellets are formed using air to influence the separation of polymer from a polymer melt. In accordance with one or more embodiments, a polymer material is extruded through a nozzle to form a polymer melt extending from the nozzle. A non-uniform thickness is generated in the polymer melt using a gas or gasses to apply a drag force to the polymer melt. This drag force reduces a thickness of a portion of the polymer melt adjacent the nozzle, and the polymer melt is fractured into discrete droplets at the reduced thickness. The discrete droplets are then solidified to form pellets. | 03-31-2016 |
20160115089 | FLUIDIZED BED GRANULATION - Method and fluidized bed reactor for the production of granules, such as granules of urea or ammonium nitrate. The reactor comprises at least one granulation compartment with air inlets, and an air moving device downstream the granulation compartment, e.g., downstream one or more scrubbers. The air moving device is configured to draw air through said one or more air inlets into the granulation compartment. | 04-28-2016 |
20160193580 | FLUID BED CLASSIFICATION ELEMENTS | 07-07-2016 |