Class 209/49 - Coated surface or mass

Subclass of Class 209 - Classifying, separating, and assorting solids
Definition: Apparatus and methods wherein coated surfaces or masses
No. of patents: 28
Last issue date: 09/06/2005

Number	Title	Issue Date
6938777	Method for removing surface deposits of concentrated collected particles A method and apparatus for removing concentrated spots of collected particulates from an impact collection surface, and transferring those particulates into a container suitable for preparing a liquid sample. A jet of fluid can be utilized to remove and transfer the...	09/06/2005
6695146	Method for surface deposition of concentrated airborne particles The present invention employs a virtual impactor to separate a flow of fluid into a major flow and a minor flow, such that the minor flow contains a higher concentration of particulates of a desired size. The minor flow is directed toward an archival surf...	02/24/2004
6376256	Rapid process for arraying and synthesizing bead-based combinatorial libraries A mixture of beads of uniform size from is deposited in an array by establishing discrete attachment areas each consisting either of a droplet of adhesive or a small area of a continuous adhesive layer exposed through an aperture in a mask. Beads which ar...	04/23/2002
5411863	Methods and materials for improved high gradient magnetic separation of biological materials Improvements in the existing procedures and materials for conduct of high gradient magnetic separation (HGMS) are disclosed. Superior superparamagnetic particles, optionally coated with a polysaccharide or other, usually organic, materials can be prepared...	05/02/1995
5385707	Metal matrices for use in high gradient magnetic separation of biological materials and method for coating the same Improvements in the existing procedures and materials for conduct of high gradient magnetic separation (HGMS) are disclosed. Superior superparamagnetic particles, optionally coated with a polysaccharide or other, usually organic, materials can be prepared...	01/31/1995
5372260	Scroll-conveyor centrifuge with textured interior bowl surface A scroll-conveyor centrifuge for separating a suspension into at least a liquid phase and solid material which is deposited through centrifugal force on the interior surface of the centrifuge bowl and which is conveyed along that surface to the solid mate...	12/13/1994
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
4744889	Separation of viscous hydrocarbons and minerals particles from aqueous mixtures by mixtures by oleophilic adhesion A method and apparatus for separating an oil phase from an aqueous phase by means of a rotating drum apparatus containing one or more compartments, each being partially filled with oleophilic free bodies. When containing two or more compartments, they are...	05/17/1988
4690752	Selective flocculation process for the recovery of phosphate A process for separating and recovering non-metallic minerals, particularly phosphate, from an ore containing non-uniform sized particles, including colloidal particles. The ore is slurried in an alkaline, aqueous solution with a dispersing agent. A flota...	09/01/1987
4671868	Method for recovering gold, platinum or silver from an ore containing gold dust, platinum dust or silver dust A method of recovering gold from an ore containing micron gold or gold dust is disclosed. The gold is recovered by providing a silver coated surface, coating the silver coated surface with mercury, washing a mixture of ore and water over the mercury such ...	06/09/1987
4585548	Recovery of metal values from mineral ores by incorporation in coal-oil agglomerates Gold ore, or any other mineral treated to have a lyophilic surface, (e.g. chalcopyrites), is ground into a slurry in crusher (1) powdered coal and oil are added at location (2), and the mix is conveyed to a contact zone (3), where any micro-agglomerates f...	04/29/1986
4557826	Method of and apparatus for separating tacky contaminants from a stock suspension According to the method the stock suspension is moved across a mass force field due to gravity or centrifugal acceleration in the form of stock stream or current and contacts a pick-up surface moved in conjunction with the stock stream and at substantiall...	12/10/1985
4547975	Method and apparatus for adjusting the quantity of water deposited on a fine aggregate A quantity of water deposited on sand particles is adjusted to a predetermined value by utilizing a method and apparatus disclosed having a hopper through which the sand particles to be treated are supplied. A velocity energy is imparted to the particles ...	10/22/1985
4511461	Process for recovering minerals and metals by oleophilic adhesion A mixture containing oleophilic surfaced mineral particles and oleophobic gangue particles in an aqueous phase is separated by means of an apertured oleophilic endless sieve supported in a separation zone by a revolving cylindrical cage having apertured s...	04/16/1985
4456528	Process for removing ash from coal Mineral impurities can be effectively removed from coal by introducing oil droplets into an aqueous slurry of pulverized coal. Coal, which is lipophilic, attaches to the surface of the oil droplets and floats upwardly along with the oil droplets utilizing...	06/26/1984
4455148	Method for de-ashing and transportation of coal A method for de-ashing crushed coal and transporting it in the form of pellets, said method comprising the following steps: A. the step of mixing pulverized coal with a binder to cover the surfaces of coal particles with the binder; B. the step of adding water...	06/19/1984
4415445	Process for the agglomeration of solids Finely divided solids suspended in liquids (such as aqueous slurries of coal fines) are agglomerated by flowing those suspensions and a binding agent into a turbulent-flow agglomeration zone along with a slurry of seed pellets having sizes and proportions...	11/15/1983
4406793	Use of free bodies to increase size of dispersed phase particles A mixture containing a dispersed bitumen, oil or hydrocarbon phase and a continuous aqueous phase is passed for treatment through a rotating horizontal tumbler, containing oleophilic free bodies, for the purpose of increasing the particle size of the disp...	09/27/1983
4392949	Conditioning drum for slurries and emulsions Oil sand feedstock is mixed in a tumbler with steam and water in the presence of inwardly extending oleophilic surface, that are attached to the drum interior, for the purpose of enhancing oil particle size thereby producing an oil sand slurry suitable fo...	07/12/1983
4372864	Reagent for froth flotation of bituminous coal A reagent and a method for using the reagent for treating a solid material disposed in a liquid medium and having an oxygen-controlled surface condition. The reagent includes a liquid hydrocarbon, a reducing material and an activator material. The liquid ...	02/08/1983
4346010	Process for recovering fine coal particles from slurry of finely divided coal Fine coal particles are recovered from a slurry of finely divided coal by mixing coarsely divided coal and a binder together to cause the binder to adhere to the surfaces of the coarsely divided coal pieces, mixing the slurry with the coal pieces having t...	08/24/1982
4334987	Method of separation of solid phase in drilling mud The method of separating the solid phase in a drilling mud includes forming from the drilling mud an adhesion layer 2 on a rotated curvilinear closed surface 3 partly projected into the drilling mud. Then a portion of this adhesion layer is separated onto...	06/15/1982
4321135	Method for separating solid phase from drilling mud A method for separating solid phase from drilling mud, comprising forming from drilling mud an adhesive layer 4 on a revolving closed curvilinear surface 3 by partially submerging it in the drilling mud and forming from a treatment liquid (5) an adhesive ...	03/23/1982
4248697	Oil agglomeration process In methods for producing agglomerate particles from aqueous slurries containing from about 10 to about 40 weight percent solids, the solids comprising finely divided carbonaceous solids and finely divided inorganic solids, by mixing the aqueous slurry wit...	02/03/1981
4235709	Selective flocculation process for treating fines of phosphate ores A selective flocculation process is provided for the treatment of phosphate ores formed essentially of apatite and a mixture of silicate minerals, for the separation and valorization, i.e., recovery, of the fines, particularly of the fractions whose parti...	11/25/1980
4133647	Method for pelletizing carbonaceous solids An improved method for agglomerating finely divided carbonaceous solids is disclosed. The method comprises mixing the solids with oil having a softening point above about 100° C in an aqueous medium at a temperature above about 120° C and at a pressure ...	01/09/1979
4089776	Process for the separation of agglomerated carbonaceous particles from associated inorganic materials A separation process is disclosed herein for selectively removing agglomerated carbonaceous particles from aqueous suspension, the remaining inorganic particles being removed as a waste product. A source product containing finely divided carbonaceous part...	05/16/1978
4077871	Separation of colored particulate glass Process for color sorting of particulate glass employing as the basic concept the differential heating by irradiation and absorption of preselected colored glass particles and contacting such irradiated and differentially heated glass particles with an or...	03/07/1978

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Class 209/49 - Coated surface or mass