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| Number | Title | Issue Date |
| 8177149 | Method for the production of very fine particles by means of a jet mill The invention relates to a method for producing very fine particles by means of a jet mill (1). The relative distance a/dDüse between at least approximately concentric milling jet inlets (5) whose center lines intersect at least approximate... | 05/15/2012 |
| 8162241 | Apparatus and method for collecting and crushing seashells on a beach A seashell collecting and crushing apparatus includes a collection device having a hollow body and an inlet for introducing seashells into the hollow body. A fan assembly is operable to provide a suction airstream for drawing seashells into the hollow body. A crushe... | 04/24/2012 |
| 8132747 | Method of making hydrophilic fluoropolymer material A fluoropolymer material exhibiting an increased hydrophilicity prepared by processing the material in a jet mill. ... | 03/13/2012 |
| 8118243 | Fluidized bed systems and methods including micro-jet flow Methods and systems for enhancing fluidization of nanoparticle and/or nanoagglomerates are provided. A fluidization chamber is provided with a fluidizing medium directed in a first fluidizing direction, e.g., upward into and through a bed containing a volume of nano... | 02/21/2012 |
| 8083162 | Method for micro-sizing organic, inorganic and engineered compounds A method and system are provided herein for forming microparticles from plastic and elastomeric materials that cannot be reduced in size by conventional methods. The system includes a high-pressure liquid nitrogen energy source, a feeder for providing a preferred co... | 12/27/2011 |
| 8074906 | Process for milling and preparing powders and compositions produced thereby A method of milling a powder comprising introducing a gas stream containing a cryogenic liquid and a drug carrier gas into a jet mill, and milling a powder with the jet mill in one or more milling passes. A product produced by the method. A milling apparatus compris... | 12/13/2011 |
| 8074907 | Method for generating finest particles and jet mill therefor as well as classifier and operating method thereof A method and jet mill apparatus for generating fine particles by means of a jet mill with an integrated dynamic air classifier including a classifying wheel classifying wheel shaft and classifier housing, wherein between the classifying wheel and classifier housing ... | 12/13/2011 |
| 8052076 | Particle-size reduction apparatus, and use thereof A sterilizable particle-size reduction apparatus, component parts thereof and a method of sterilizing and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs. ... | 11/08/2011 |
| 8047458 | Method for producing very fine particles by means of a jet mill The invention relates to a method for producing very fine particles by means of a jet mill using compressed gases as the grinding gas, characterized in that the grinding gas is under pressure of ≦4.5 bar(abs). ... | 11/01/2011 |
| 8020791 | Pivoting shoes for an impact crushing apparatus The present invention provides an impact crushing apparatus that includes a housing, a chamber defined within the housing, a rotor assembly for receiving material and throwing the material radially outward, and a drive unit for rotating the rotor assembly. The rotor... | 09/20/2011 |
| 7959095 | Center-feed nozzle in a contained cylindrical feed-inlet tube for improved fluid-energy mill grinding efficiency This invention relates to a supersonic center-feed nozzle system within the feed-inlet tube of a fluid-energy mill used for grinding particulate material such as titanium dioxide. Particularly, in the feed-inlet tube of the present invention, particulate material is... | 06/14/2011 |
| 7922108 | Method for industrial production of especially fine powders A method for industrial production of especially fine powders and mineral powders, where the material to be ground is mixed to a gas-solid matter suspension, which through acceleration nozzles (12) is led at least to two counter jets, which meet in grinding c... | 04/12/2011 |
| 7866581 | Method of manufacturing toner A process for preparing a toner including the step of pulverizing a resin composition with a jet type pulverizer comprising a venturi nozzle and an impact member arranged so as to face the venturi nozzle, wherein r2/r1 is 0.3 or less, wherein r... | 01/11/2011 |
| 7866582 | Method for generating finest particles and jet mill therefor as well as classifier and operating method thereof A method and apparatus for generating fine particles via a jet mill with an integrated dynamic air classifier, wherein the rotational speed of a classifying rotor of the air classifier and the inner amplification ratio V (=Di/DF) are so selected, set or controlled t... | 01/11/2011 |
| 7850102 | Amorphous submicron particles A process for milling amorphous solids using a milling apparatus can result in particles having a median particle diameter d50 of | 12/14/2010 |
| 7832664 | Jet mill In a vertical loop jet mill, a grinding chamber in the lower part of the loop is trapezoidal in shape with side walls converging toward the outside of the loop. Removable nozzle plates are provided in the lower parts of the side walls of the grinding chamber, and th... | 11/16/2010 |
| 7823810 | Method and device for the production and/or conditioning of powdered material A method and a device for producing and/or conditioning powdered material. The aim of the invention is to provide a method and an associated device which are used for producing and/or conditioning powdered material in a spouted bed comprising inert particles and in ... | 11/02/2010 |
| 7789330 | Roundish fused alumina particles, production process thereof, and resin composition containing the particles A roundish fused alumina particles having a mean particle size of 5 to 4,000 μm and a roundness of 0.85 or more, and a producing method thereof are provided. The method comprises removing edges of fused alumina particles by making the fused alumina particles collid... | 09/07/2010 |
| 7789331 | Jet mill producing fine silicon powder A method of jet milling silicon powder in which silicon pellets are fed into a jet mill producing a gas vortex in which the pellets are entrained and pulverized by collisions with each other or walls of the milling chamber. The chamber walls are advantageously forme... | 09/07/2010 |
| 7762483 | Air vortex mill for mill drying a flowable product and method for using the mill An air vortex mill (1) mill dries a flowable product in a gas-/air flow-through grinding chamber (3) with several grinding stages arranged in the grinding chamber. The grinding stages are formed by a rotor (4) with a multitude of grinding plates... | 07/27/2010 |
| 7726591 | Rotor processor A rotor processor includes a stator chamber and a rotor mounted for rotation within the chamber. The rotor has a perimeter edge spaced closely to the interior wall of the chamber so as to define a slit or gap there between. The rotor is slidably mounted upon a rotor... | 06/01/2010 |
| 7708213 | Method and process for providing a controlled batch of micrometer-sized or nanometer-sized coal material A method of providing a controlled batch of micrometer-sized or nanometer-sized coal material. This method includes the steps of: (a) specifying at least one desired physical and/or chemical parameter of the controlled batch of coal material; (b) specifying the desi... | 05/04/2010 |
| 7661611 | Toner and method for producing the same To provide a method for producing a toner, containing a milling step containing finely milling particles and classifying coarse particles by using at least a mill and a cyclone unit, and a classifying step containing classifying pulverized particles by using at leas... | 02/16/2010 |
| 7644880 | Particle-size reduction apparatus, and use thereof A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilising and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs. ... | 01/12/2010 |
| 7621473 | Ring jet nozzle and process of using the same The embodiments of the present invention relate to a ring jet for use in fluid energy mills. In particular, the embodiments relate to a spiked nozzle containing a nozzle plug forming a fluid compression orifice in form of a partial annulus, to accelerate a grinding ... | 11/24/2009 |
| 7600703 | Particle-size reduction apparatus and use thereof A sterilisable particle-size reduction apparatus, component parts thereof and a method of sterilizing and validating sterility thereof are provided. Also provided is use thereof to prepare sterile suspensions of drugs. ... | 10/13/2009 |
| 7594618 | Method of insulating using spray-on dry fibrous insulation A method of applying dry and substantially thermal and acoustical insulation by spraying an air entrained stream of high velocity pils into cavities, including vertical wall cavities, without having to use any insulation securing means is disclosed. A nozzle system ... | 09/29/2009 |
| 7578455 | Method of grinding particulate material A particulate material is ground more efficiently using a mixture of at least two different sizes of yttrium-stabilized zirconia balls. The method facilitates preparation of photocatalysts with high activity. ... | 08/25/2009 |
| 7578456 | Method for preparing micron-sized ginseng powder via mechanical grinding Disclosed is a method for preparing micron-sized ginseng powder via mechanical grinding, the method comprising the steps of: grinding ginseng roots crudely in order to facilitate micro-pulverization of ginseng, grinding the crude ginseng powder finely, and further g... | 08/25/2009 |
| 7571869 | Mineral layered silicate in the form of a nanopower In the production of a mineral product that consists of aluminum layer silicate and corresponding fines with an at least 70% proportion of the mineral illite of the selected type, the starting material in its natural composition is pre-broken, the agglomerated layer... | 08/11/2009 |
| 7559492 | Fine powder of waste polyurethane foam and method of manufacturing the same Disclosed are fine powder of waste polyurethane foam and a manufacturing method thereof. According to this invention, fine powder of waste polyurethane foam can be manufactured using a crushing process including primary and secondary coarse crushing steps and a fine... | 07/14/2009 |
| 7520451 | Spiked axisymmetric nozzle and process of using the same The embodiments of the present invention relate to a spiked axisymmetric nozzle for use in particle reduction processes where the spiked axisymmetric nozzle contains a nozzle plug thereby forming a fluid compression orifice for accelerating a grinding fluid used in ... | 04/21/2009 |
| 7490785 | Process and apparatus for comminuting silicon An apparatus for producing silicon seed particles having a size of from 50 μm to 1000 μm from silicon granules having a size of from 300 μm to 5000 μm, comprising a vertically disposed jet chamber with a low cross sectional area and a jet nozzle at the base of t... | 02/17/2009 |
| 7472851 | Method and device for the disintegration of especially inorganic materials The invention relates to a method for the disintegration and tribochemical activation of especially inorganic materials having a crystalline structure, wherein the starting materials are comminuted (disintegrated) to a particle size of less than 1 μm by the effect ... | 01/06/2009 |
| 7472852 | Method for fining powder and apparatus employing the same The present invention relates to a method for fining powders and an apparatus employing the same. By fast rotating the collision plates in a chamber, the powders can be continuously pulverized at high velocity. The chamber is maintained in a stable low pressure, so ... | 01/06/2009 |
| 7461799 | Method for industrial producing of highly dispersed powders This invention relates to industrial production of fine dispersed powders, where the material to be pulverized is mixed with high-pressure working into a gas-solids suspension, which through acceleration nozzles (8) is conveyed to the pulverizing chamber of c... | 12/09/2008 |
| 7429008 | System and method for pulverizing and extracting moisture A venturi receives incoming material through an inlet tube and subjects the material to pulverization. The material, as it undergoes pulverization, is further subject to moisture extraction and drying. An airflow generator, coupled to the venturi, generates a high s... | 09/30/2008 |
| 7422167 | Fluid-energy mill A fluid-energy mill for size reduction of a material includes a manifold defining a grinding chamber having a first radius extending from a center of the grinding chamber, a gas inlet, a feed inlet, and an outlet. The feed inlet is positioned such that the material ... | 09/09/2008 |
| 7410110 | Efficient process for making tackifiers and adhesives An improved process for preparing tackifiers and adhesives is an improved energy efficient process for preparing tackifiers, adhesives and dispersions of low-molecular weight polymers and other materials in water. Fine grinding of a low molecular weight polymer is p... | 08/12/2008 |
| 7407121 | Method and process for providing a controlled batch of micrometer-sized or nanometer-sized coal material A method of providing a controlled batch of micrometer-sized or nanometer-sized coal material. This method includes the steps of: (a) specifying at least one desired physical and/or chemical parameter of the controlled batch of coal material; (b) specifying the desi... | 08/05/2008 |
