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| Number | Title | Issue Date |
| 7309391 | Aluminum flake pigment comprising aluminum flakes as basic particles, method of manufacturing the same, and paint and ink employing the same An aluminum flake pigment containing aluminum flakes as basic particles, said aluminum flakes having an average particle diameter in the range of 3 to 20 μm and an average value of minimum diameter/maximum diameter of at least 0.6. ... | 12/18/2007 |
| 7267292 | Method for producing fine alumina particles using multi-carbide grinding media Grinding media, including shaped media such as spheres or rods ranging in size from about 0.5 micron to 100 mm in diameter, are formed from a multi-carbide material consisting essentially of two or more carbide-forming elements and carbon, with or without carbide-fo... | 09/11/2007 |
| 7213776 | Method of making particles of an intermetallic compound Grinding media, including shaped media such as spheres or rods ranging in size from about 0.5 micron to 100 mm in diameter, are formed from a multi-carbide material consisting essentially of two or more carbide-forming elements and carbon, with or without carbide-fo... | 05/08/2007 |
| 7140567 | Multi-carbide material manufacture and use as grinding media Grinding media, including shaped media such as spheres or rods ranging in size from about 0.5 micron to 100 mm in diameter, are formed from a multi-carbide material consisting essentially of two or more carbide-forming elements and carbon, with or without carbide-fo... | 11/28/2006 |
| 7131604 | Processing apparatus and method for fluid, and deaerator therewith A processing apparatus for fluid with a simple structure, high productivity, ability of precise dispersion, emulsification and grinding, is provided. The apparatus of the present invention comprises at least two processing faces of a first face and a second f... | 11/07/2006 |
| 7093782 | Method and device for fine grinding of mineral particles A method for fine grinding of mineral particles consists of producing by atomization pellets, made from steel with a high carbon content, or cast iron, with a granular size range less than 15 mm and mixing the pellets with balls, made from steel or cast iron with di... | 08/22/2006 |
| 7040209 | Tool fixtures for use in rotational processing A fixture for holding tools to be processed in a rotational processing apparatus. The fixture includes at least one mounting rod with a plurality of spacers slidably disposed on the mounting rod. A plurality of tools are disposed about the rod, each tool being space... | 05/09/2006 |
| 6976647 | System and method for milling materials A system for milling at least one material, e.g., a drug, is described. The system includes a milling apparatus. In another embodiment of the invention, the system includes at least one milling medium. The milling apparatus includes a chamber having a rotary milling... | 12/20/2005 |
| 6896212 | Method of producing fine solid particles and dispersions A method of using polymeric grinding media to produce fine solid particles or fine solid dispersions in liquid, such as pigment dispersions for inks, is provided. The method of the present invention limits packing and plugging problems associated with polymeric medi... | 05/24/2005 |
| 6752338 | Ball mill A pilot plant scale SAG mill suitable for use in design of a commercial scale SAG mill. The ball mill has a cylindrical outer chamber having flanges at opposed ends. The cylindrical outer chamber contains a removable grinding chamber in the form of a sleeve. The rem... | 06/22/2004 |
| 6742734 | System and method for milling materials A system for milling at least one material, e.g., a drug. The system includes a milling apparatus and at least one milling medium. The milling apparatus includes a chamber having a rotary milling head located in it. The milling head is rotated within the chamber by ... | 06/01/2004 |
| 6634576 | Milled particles A process for milling a solid substrate in the milling chamber of a dispersion or media mill in the presence of a two or more compositions of milling media bodies is disclosed wherein all milling media bodies contribute to the grinding of the solid substr... | 10/21/2003 |
| 6604698 | Media milling This invention describes a process for preparing a dispersion of solid particles of a milled substrate in a fluid carrier comprising the steps of (a) providing a plurality of large size milling media to the milling chamber of a media mill and forming a de... | 08/12/2003 |
| 6520837 | Method and apparatus for ultrafine grinding and/or mixing of solid particles In a method for ultrafine grinding of solid particulate material to mean particle sizes far below 1 micrometer and/or for mixing of powder and agglomerate material with mean particle sizes in the range of nanometers, the material to be ground and/or mixed... | 02/18/2003 |
| 6499680 | Grinding media Alpha alumina milling media made by a sol-gel process have improved utility in milling alumina materials in a bead mill.... | 12/31/2002 |
| 6491239 | Process for milling compounds The present invention is a process for the preparation of a solid particles of a compound. The process includes milling the compound in the presence of milling media composed of ceramic particles having an average size of 0.1 to 20 mm. The ceramic particl... | 12/10/2002 |
| 6460791 | Agitator mill An agitator mill with a grinding receptacle comprises a grinding chamber defined by an inner wall thereof and a rotor which is located therein and driven in high-speed actuation. Mounted on the rotor are agitator elements which stand out radially and to w... | 10/08/2002 |
| 6386468 | Mechano-chemical flourination: improved method of fullerene fluorination A method of mechano-chemical fluorination is described that has a significantly improved yield over prior art methods of synthesis. The present invention illustrates this improved mechano-chemical Fluorination by describing the improved synthesis of Fulle... | 05/14/2002 |
| 6315222 | Method of producing paste containing flaky aluminum powder The present invention relates to a method of producing paste containing flaky aluminum powder, which is the main ingredient of the topcoat paint for automobiles. The present invention is intended to provide a production method, which is more economical th... | 11/13/2001 |
| 6293480 | Structure of grinding medium controllable in shape and specific gravity A structure of grinding medium controllable in shape and specific gravity and comprising a housing, a cover, a spring and a core member is disclosed. The housing includes a head and a stem having a central cavity. The spring is fitted over the stem to for... | 09/25/2001 |
| 6247659 | Milling and pulverising apparatus and method The specification describes a method and associated apparatus for pulverising materials, wherein the pulverising apparatus includes a receptacle, two or more pulverising weights and a driving mechanism linked to the receptacle wherein the pulverising weig... | 06/19/2001 |
| 6114079 | Electrically-conductive layer for imaging element containing composite metal-containing particles The present invention is an imaging element including a support having a frontside and a backside, an imaging layer superposed on the frontside of said support, and a print-retaining, electrically-conductive layer superposed on the backside of the support... | 09/05/2000 |
| 6070817 | Pulverizer The present invention provides a pulverizer which can readily miniaturize a whole pulverization apparatus including the pulverizer and can be used for various purposes such as grinding aggregate or pigments, polishing decorative stones or pinballs, and mi... | 06/06/2000 |
| 5957398 | Composite ceramic materials as a pulverization medium and for working parts of a pulverizer A pulverizer for pulverizing a product has a container and at least one working part within the container, which may contain a pulverizing medium. At least one of (1) an inner liner of the container, (2) an outer shell of the working part and (3) an outer... | 09/28/1999 |
| 5921477 | Apparatus for tissue preparation An apparatus and method for preparing tissue samples for DNA, RNA or protein extraction of the present invention includes a reciprocating saw mounted to a frame and connected to a plurality of tissue sample containers containing tissue samples and agitati... | 07/13/1999 |
| 5865385 | Comminuting media comprising martensitic/austenitic steel containing retained work-transformable austenite Comminuting media comprising a martensitic/austenitic steel which contains at least about 40 percent by volume retained austenite, a portion of which is work transformable to martensite. The steel contains sufficient alloy content such that the steel has ... | 02/02/1999 |
| 5769339 | Conical gyratory mill for fine or regrinding A conical gyratory mill for regrinding, milling or fine pulverization of materials, having a milling media, such as milling balls, located in the milling space between a milling bowl and a milling head. The material to be milled is introduced into the top... | 06/23/1998 |
| 5704557 | Method and apparatus for treatment of organic waste material A process and an apparatus for separation of relatively volatile from non-volatile material, typically an organic component of agglomerate waste material from an inorganic solid component of the waste. The process includes milling material in a container ... | 01/06/1998 |
| 5667154 | Cast abrasion resistant hollow balls A cast abrasion resistant hollow ball is formed with a hollow ceramic core that generates no gas during the casting operation. Solid ceramic bars or supports hold the hollow ceramic core in a fixed location at the center of the cast ball during the castin... | 09/16/1997 |
| 5662279 | Process for milling and media separation A method of preparing milled solid particles of a compound comprises the steps of forming a slurry of a liquid medium, the compound and rigid milling media in a milling chamber, contacting the compound with the milling media while in the chamber to reduce... | 09/02/1997 |
| 5651505 | Method of grinding cement A method of continued grinding of cement is disclosed in order to obtain cement with a high specific surface and/or a steep grain size distribution curve. The grinding is performed in a mill with agitated grinding medium from a specific surface of 300-400... | 07/29/1997 |
| 5544817 | Zirconium silicate grinding method and medium A method for milling a powder in a high energy mill which includes steps of forming a milling slurry including a naturally occurring zirconium silicate sand grinding medium having a density in the range of from about 4 g/cc absolute to about 6 g/cc absolu... | 08/13/1996 |
| 5518187 | Method of grinding pharmaceutical substances A method of preparing particles of a drug substance or diagnostic imaging agent which comprises grinding the drug substance or imaging agent in the presence of grinding media comprising a polymeric resin. The method provides particles exhibiting reduced c... | 05/21/1996 |
| 5513809 | Cryogenic vibratory mill apparatus A cryogenic vibratory mill designed to receive cooling fluid such as liquid nitrogen within a grinding chamber for grinding of feed material such as crumb rubber from vehicle tires for cryogenic comminution within a grinding chamber. Cooling within the gr... | 05/07/1996 |
| 5500331 | Comminution with small particle milling media A method of preparing submicron particles of a material, such as a pigment useful in paints or a compound useful in imaging elements, which comprises milling the agent in the presence of milling media having a mean particle size of less than about 100 mic... | 03/19/1996 |
| 5478705 | Milling a compound useful in imaging elements using polymeric milling media Particles of compound useful in imaging elements are milled using a milling media comprising a polymeric resin. The use of polymeric milling media permits the production of particles having an average particle size less than 1 micron. Further, the resulti... | 12/26/1995 |
| 5348237 | Apparatus for reducing, dispersing wetting and mixing pumpable, non-magnetic multiphase mixtures An apparatus for reducing, dispersing, wetting and mixing pumpable, non-magnetic multiphase mixtures comprises a sealed annular-gap chamber having an annular gap which forms a working chamber, into which the material to be worked flows in from the bottom ... | 09/20/1994 |
| 5320284 | Agitating mill and method for milling In an agitating mill for producing the objective fine powder, the agitating medium having an average particle diameter of no more than 0.6 mm is charged in an annular gap between the external side wall of the agitator and the internal side wall of the mil... | 06/14/1994 |
| 5257742 | Ultrafine grinding mill of which fed material flows down through an agitated bed composed of small grinding medium An ultrafine grinding mill in which fed material flows down through an agitated bed composed of small grinding medium characterized in that the ultrafine grinding mill comprises a vertically arranged cylindrical housing, a net member having a mesh size pr... | 11/02/1993 |
| 5183214 | Process of magnetic media milling A process of media milling employing a mill having a magnetic circuit of magnetic impellers (11) on a shaft (12), magnetized media, and a magnetizable outer shell (10).... | 02/02/1993 |
