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Dennis L Krueger, Daniel E Meyer: Bicomponent fibers and webs made therefrom. Minnesota Mining and Manufacturing Company, Donald M Sell, Roger R Tamte, January 3, 1989: US04795668 (203 worldwide citation)

Biocomponent fibers, and webs made therefrom, are taught in which one component of the fibers is a crystallizable material. When a web of the fibers is heated in a mold above the temperature at which crystallization occurs, the fibers tend to be set in the position they are held in the mold. A prefe ...


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Asher Porath Furedi: Apparatus and method for removing fine particles from a liquid medium by ultrasonic waves. Benjamin J Barish, October 25, 1977: US04055491 (98 worldwide citation)

Apparatus and method are described for using ultrasonic waves for removing microscopic particles from a liquid medium, such as algae from a solar or refuse pond, or blood cells from blood. The described apparatus includes an ultrasonic generator propagating ultrasonic waves of over one megacycle per ...


4
Llenado Ramon A: Foaming surfactant compositions.. Procter & Gamble, January 19, 1983: EP0070074-A2 (79 worldwide citation)

Foaming compositions containing an alkylpolysaccharide surfactant and a sulfate, sulfonate andor carboxylate cosurfactant and processes for utilizing foams containing these compositions.


5
Jan D Miller, Ye Yi: Air sparged hydrocyclone flotation apparatus and methods for separating particles from a particulate suspension. University of Utah, Workman Nydegger & Jensen, June 13, 1989: US04838434 (78 worldwide citation)

The present invention is directed to air sparged hydrocyclone flotation apparatus and methods for separating particles from particulate suspensions (such as coal and mineral ore slurries), wherein fluid discharge is removed annularly from a flotation vessel. Preferably, the flotation apparatus inclu ...


6
Jan D Miller, David J Kinneberg: Flotation apparatus and method. University of Utah, Workman Nydegger & Jensen, May 17, 1988: US04744890 (74 worldwide citation)

Flotation apparatus and methods for separating particles from particulate suspensions such as coal and mineral ore slurries, wherein fluid discharge is removed annularly from a flotation vessel. Preferably, the flotation apparatus includes a vertically oriented, cylindrical flotation vessel having a ...


7
Alexander M Saunders, Michael A M Zarowitz, Patricia J Baldwin: Method for separating rare cells from a population of cells. Applied Imaging, Townsend and Townsend Khourie and Crew, July 11, 1995: US05432054 (73 worldwide citation)

A method for isolating and enriching rare cells, including fetal nucleated erythrocytes from a peripheral blood sample is described. The method includes two centrifugation steps, the first a bulk separation step to enrich erythrocytes from other blood components. The second centrifugation comprises ...


8
William D Hurst: Process and apparatus for removing impurities from water used in food processing utilizing a mixture of ozone and air. American Water Purification, Litman McMahon & Brown, October 1, 1991: US05053140 (71 worldwide citation)

An apparatus and a process for using the apparatus for removing fat, bacteria, solids and other impurities from water used in food processing so that substantially all the water may be reused includes a tower. The water is passed through a coarse filter to remove large pieces and is then introduced ...


9
Jan D Miller: Apparatus and method for separating particles from a fluid suspension. University of Utah, H Ross Workman, Allen R Jensen, Dale E Hulse, August 9, 1983: US04397741 (64 worldwide citation)

An apparatus and method for separating particles from a fluid, particulate suspension by flotation in a centrifugal field. The apparatus includes a vertically oriented, cylindrical vessel having a tangential inlet and a tangential outlet. The particulate suspension is introduced into the vessel thro ...


10
Roe Hoan Yoon, Gregory T Adel, Gerald H Luttrell: Process and apparatus for separating fine particles by microbubble flotation together with a process and apparatus for generation of microbubbles. Virginia Tech Intellectual Properties, Staas & Halsey, January 1, 1991: US04981582 (60 worldwide citation)

A method and apparatus are disclosed for the microbubble flotation separation of very fine particles, especially coal, so as to produce a high purity and large recovery efficiently. This is accomplished through the use of a high aspect ratio flotation column, microbubbles, and a countercurrent use o ...



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