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| Number | Title | Issue Date |
| 8083069 | High throughput magnetic isolation technique and device for biological materials The present application discloses a process for the high throughput separation of at least one distinct biological material from a sample using magnetic tags and a magnetic separation set up capable of processing at least about 106 units/second. A magneti... | 12/27/2011 |
| 8056728 | Methods, systems, and devices for separating materials using magnetic and frictional properties A method for separating mixtures of solid materials includes incorporating a ferromagnetic particulate material into a mixture of solid materials and, after the incorporating step, separating the mixture of solid materials into at least two groups based on the magne... | 11/15/2011 |
| 8033398 | Process and magnetic reagent for the removal of impurities from minerals A magnetic reagent contains magnetic microparticles and a compound of the formula (I) as defined herein. The magnetic reagent may be used in a magnetic separation process for the removal of impurities from mineral substrates. ... | 10/11/2011 |
| 7318528 | Precious metal recovery A pulse of over six kilovolts with a duration of 200 nanoseconds causes an explosion that fragments a mineral deposit with metals embedded therein. The fragmentation separates the metals from the mineral. A conditioning electromagnet temporarily magnetizes the metal... | 01/15/2008 |
| 7291058 | Method and apparatus for improving media flow The flow of media in shot peening, blast cleaning, and similar equipment is improved by applying a time varying magnetic field to the media to thereby degauss the media, allowing the media to flow through equipment without clogging and clumping due to magnetic attra... | 11/06/2007 |
| 7278531 | Flexible conveyor and connection elements A conveyor is disclosed suitable for conveying objects along a transport direction. The conveyor includes a plurality of links, each link having a length extending across the direction of transport and a width extending along the direction of transport. Each link ha... | 10/09/2007 |
| 7258236 | Methods and devices utilizing adsorption of chiral molecules at a surface or interface The present invention is concerned with the adsorption of chiral molecules at surfaces or interfaces, with the arrangement and properties of adsorbed chiral molecules, and with devices and methods based thereupon. In particular, an apparatus allows the influence of ... | 08/21/2007 |
| 7247633 | Pyrimidine compounds and their use A compound of the general formula (I): wherein R1, R2, X, Y and Z are as described in the specification. ... | 07/24/2007 |
| 7210581 | Apparatus for magnetically separating integrated circuit devices A method and apparatus of separating integrated circuit (IC) devices according to magnetic properties of the devices is disclosed. A plurality of IC devices are subjected to a magnetic field. The IC devices containing only nonferrous material are not responsive to t... | 05/01/2007 |
| 7183104 | Separator and particle detection system The present invention is embodied in a system for collecting biological samples from air including a collection assembly to store at least one biological sample and a separator to remove selected particles from the air prior to entry into the collection assembly. In... | 02/27/2007 |
| 7063213 | Mediating electrostatic separation Methods, systems and media for separating polymer mixtures. A mixture including polymeric components is provided. A particulate media is added to the mixture, where the particulate media can selectively mediate a triboelectric charging of the polymer mixture. The me... | 06/20/2006 |
| 6974097 | Method and apparatus for sorting recyclable products A method for recovering fuel substance and providing an alternative periodic cover material for landfills by separating materials in a salvage operation. A non-sorted material stream including metallic and non-metallic components, which preferably includes automobil... | 12/13/2005 |
| 6920982 | Plastic material having enhanced magnetic susceptibility, method of making and method of separating The magnetic susceptibility of one or more plastic articles is enhanced to enable their separation from a waste stream using magnetic separators. An amount of paramagnetic material is added to the plastic formulation to influence magnetic susceptibility without affe... | 07/26/2005 |
| 6537385 | Rare earth magnet and method for manufacturing the same The method for manufacturing alloy powder for R--Fe--B type rare earth magnets of the present invention includes a first pulverization step of coarsely pulverizing a material alloy for rare earth magnets and a second pulverization step of finely pulverizi... | 03/25/2003 |
| 6316235 | Preparation and use of magnetically susceptible polymer particles Polymer particles are formed containing molecular memory recognition sites and magnetically susceptible components. The particles are prepared by co-polymerizing one or more monomers and a cross-linking agent in the presence of at least one imprint molecu... | 11/13/2001 |
| 6220444 | Method and apparatus for marking containers with magnetic code and detecting the marked container using a magnetic sensing device A conveyor system for conveying items, such as bottles and cans, from a first position whereat they are magnetically encoded by using magnetic energy and wherein the coded item is detected at a spaced apart second position using a magnetic sensing device ... | 04/24/2001 |
| 6110085 | Coated roller with permanent identification and method for providing such identification The coated roller with permanent identification is characterized in that an externally inducible microtransmitter with a multidigit alphanumerical code is attached at or in the roller core which microtransmitter is not nondestructively removable. Said mic... | 08/29/2000 |
| 6070733 | Treatment of waste material Shredder waste light fraction is converted into injectable material by being comminuted to an appropriate size. The copper and/or silica is then separated by magnetic separation so that the material may be injected into a metallurgical furnace or cement k... | 06/06/2000 |
| 6006920 | Brightness, reduced impurity clays and methods of making same Provided is a method of making improved brightness kaolin clay from an aqueous kaolin clay slurry in which the primary active dispersant is a weak dispersant, at least including the steps of adding to the kaolin clay an effective magnet enhancer reagent w... | 12/28/1999 |
| 5985134 | Startup of magnetic separation process in an FCC unit A startup method for a fluidized catalytic cracking (FCC) unit operating with a magnetic catalyst separation means is disclosed. Magnetic strength, or separation severity, is maintained or increased until most of the catalyst has passed through the magnet... | 11/16/1999 |
| 5685952 | Deinking of paper using magnetic forces A method for removal of magnetic ink from pulp stock formed from xerographic and laser printed paper waste comprising feeding such pulped paper waste past one or more magnets for removal of all or substantially all of such magnetic ink. The magnetic ink c... | 11/11/1997 |
| 5684712 | Apparatus and method for cell separation An improved cell separator is provided that includes apparatus for automatically controlling the cell separation process. Particularly, a plurality of valves are responsive to a data processor assembly for controlling the path of fluid flow through the ce... | 11/04/1997 |
| 5607575 | Process for removing iron impurities from petroleum oil distillation residues A process for removing iron impurities, inter alia iron or iron compounds, from petroleum oil distillation residues is disclosed in which a high gradient magnetic separator incorporates a pack of ferromagnetic fillers in the form of a generally flat or cu... | 03/04/1997 |
| 5538701 | Process to remove actinides from soil using magnetic separation A process of separating actinide-containing components from an admixture including forming a slurry including actinide-containing components within an admixture, said slurry including a dispersion-promoting surfactant, adjusting the pH of the slurry to wi... | 07/23/1996 |
| 5332493 | Method for improving rheological properties of kaolin clays A method for beneficiating a kaolin clay which includes quantities of smectite contaminants to reduce the low and high shear viscosities of high solids aqueous slurries of the kaolin. The smectite is converted into a pillared clay by intercalating it with... | 07/26/1994 |
| 5297744 | Magnetic tub grinder A tub grinder for grinding waste material is disclosed. The tub grinder includes a cylindrical tub member having an open end for receiving waste material to be ground. The tub member includes a cylindrical interior wall having one or more magnets mounted ... | 03/29/1994 |
| 5230869 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing By continuously or intermittently adding amounts of magnetically active moieties, e.g. iron compounds, over time so that the moiety deposits on a catalyst or sorbent in a fluid catalytic cracker or similar circulating hydrocarbon conversion unit, older ca... | 07/27/1993 |
| 5213590 | Article and a method for producing an article having a high friction surface Apparatus and method for the manufacture of improved abrasive tools and the like which includes apparatus and a method for the creation of a structurally viable matrix having a pattern of abrasive elements which can be shaped, cut and positioned for perma... | 05/25/1993 |
| 5205414 | Process for improving the concentration of non-magnetic high specific gravity minerals A process for improving the concentration of non-magnetic heavy minerals using a gravity-magnetic type separator, by the addition of a magnetic mineral or phase, such as magnetite, ilmenite, or iron filings, to the feed slurry. The addition of the magneti... | 04/27/1993 |
| 5171424 | Magnetic separation of old from new cracking catalyst by means of heavy rare earth "magnetic hooks" This invention relates to an improved catalytic process for carrying out heavy hydrocarbon conversion, usually, but not necessarily, in the presence of nickel and vanadium on the catalyst and in the feedstock, by catalytic cracking gas oils and heavy carb... | 12/15/1992 |
| 5170890 | Particle trap An invention is described in which a method and apparatus are disclosed for guiding, trapping, concentrating and separating particles. The method comprises containing particles in a gas, liquid, or other fluid medium, projecting a beam of light into the p... | 12/15/1992 |
| 5161694 | Method for separating fine particles by selective hydrophobic coagulation A process of selectively agglomerating coal in an aqueous environment while leaving the mineral matter dispersed has been developed. This process is autogenous for hydrophobic particles in that neither an agglomerating agent nor an electrolytic coagulant ... | 11/10/1992 |
| 5147527 | Magnetic separation of high metals containing catalysts into low, intermediate and high metals and activity catalyst One embodiment is an improved process for economically converting carbo-metallic oils by means of catalytic particulates into lighter products, wherein a portion of the particulates is withdrawn and passed through a high strength magnetic field of at leas... | 09/15/1992 |
| 5116434 | Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products Disclosed is a method for forming a high magnetic parameter ferromagnetic material. The material has a distribution of magnetic parameters as solidified, and is separated into a first fraction having relatively high magnetic parameters and a second fracti... | 05/26/1992 |
| 5106486 | Addition of magnetically active moieties for magnetic beneficiation of particulates in fluid bed hydrocarbon processing By continuously or intermittently adding amounts of magnetically active moieties, e.g. iron compounds, over time so that the moiety deposits on a catalyst or sorbent in a fluid catalytic cracker or similar circulating hydrocarbon conversion unit, older ca... | 04/21/1992 |
| 5035331 | Method and apparatus for removing dust and debris from particulate product The impurity laden particulate material to be cleaned by a gravity feed deduster is passed through a magnetic field of varying intensity to neutralize the static charge causing the impurities to adhere to the primary product. The material is then subjecte... | 07/30/1991 |
| 4834811 | Method of manufacturing, concentrating, and separating enhanced magnetic parameter material from other magnetic co-products Disclosed is a method for separating initially non-magnetized ferromagnetic material. The material has a distribution of magnetic parameters, and is separated into a first fraction having relatively high magnetic parameters and a second fraction having re... | 05/30/1989 |
| 4830634 | Preparation of coal substitute of low ash and sulfur A process is taught for preparing a coal substitute of low ash level from a composite of coal, mineral matter and pyritic sulfur comprising comminuting the coal composite in an aqueous medium to a size range which promotes the liberation of the mineral ma... | 05/16/1989 |
| 4810368 | Automatic method for separating and cleaning silicon carbide furnace materials Method of automatically separating and cleaning silicon carbide furnace materials using magnetic separation techniques. In the method of the invention, crushed or particulate silicon carbide furnace materials are mixed with a magnetic powder. The lower gr... | 03/07/1989 |
| 4765486 | Method for obtaining a purified fraction from a mixture using a magnetic fluid A method for obtaining a purified fraction from a mixture using a magnetic fluid wherein the mixture is contacted with the magnetic fluid to preferentially sorb the fluid onto selected components so they become magnetized and the magnetic components in th... | 08/23/1988 |
