Patents by Inventor Alexej Michailovski

Alexej Michailovski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190010577
    Abstract: The present invention relates to the use of hydrophobically associative copolymers as binders for pelletizing metal containing ores such as iron containing ores. The copolymers comprise monomer unitsderived from at least one hydrophobically as sociative monomer, preferably at least one unsaturated hydrophobically associating monomer.
    Type: Application
    Filed: September 1, 2016
    Publication date: January 10, 2019
    Applicant: BASF SE
    Inventors: Adrian Mauricio VILLANUEVA BERINDOAGUE, Alexej MICHAILOVSKI, Gregor BRODT, Sylvia VON KROG, Dominic Rene BECHEN, Rainer PACKE-WIRTH, Shane HOFF
  • Publication number: 20180369834
    Abstract: The present invention relates to a process for the separation of at least one hydrophobic or hydrophobized material from a dispersion comprising said at least one hydrophobic or hydrophobized material and at least one second material. The process according to the present invention comprises the steps (A) to (D) which are described herein.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 27, 2018
    Inventors: Wolfgang ROHDE, Alexej MICHAILOVSKI, Igor SHISHKOV, Reinhold RIEGER, Gerardo INCERA GARRIDO, Piyada CHAROENSIRISOMBOON, Darren MEGAW, David Johann GILBERT
  • Publication number: 20180179461
    Abstract: The presently claimed invention relates to a briquette comprising coal fines and a binder composition comprising at least one homo- or copolymer of (meth)acrylic acid (i) and at least one alkyl(meth)acrylate-styrene-copolymer (ii), a method for manufacturing said briquette and the use of a binder composition for the agglomeration of coal fines.
    Type: Application
    Filed: May 25, 2016
    Publication date: June 28, 2018
    Applicant: BASF SE
    Inventors: Alexej MICHAILOVSKI, Willy CILENGI, Julie MORTIMER, Kabwika Baudouin BISAKA
  • Publication number: 20170274389
    Abstract: The present invention relates to a process for the separation of at least one valuable matter containing material from a dispersion comprising said at least one valuable matter containing material and at least one second material. The process according to the present invention comprises at least the steps (A) to (E) and the optional steps (F) to (H) which are described herein.
    Type: Application
    Filed: November 26, 2015
    Publication date: September 28, 2017
    Inventors: Igor SHISHKOV, Wolfgang ROHDE, Alexej MICHAILOVSKI, Andreas LUZ, Reinhold RIEGER, Petra JOHN, Imme DOMKE
  • Patent number: 9387485
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle, or contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle and at least one surface-modifying substance at the same time, contacting of the mixture from step (A) with at least one surface-modifying substance, if this has not been done in step (A), so that the at least one first material, the at least one surface-modifying substance and the at least one magnetic particle become attached to one another, and separation of the addition product by application of a magnetic field.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: July 12, 2016
    Assignee: BASF SE
    Inventors: Alexej Michailovski, Piyada Charoensirisomboon, Reinhold Rieger, Imme Domke, Igor Shishkov, Hua Wu, Xinya Zhang, Massimo Morbidelli
  • Patent number: 9376457
    Abstract: The present invention relates to a stable mixture comprising surface-modified particles which are obtained by reacting metal oxide or semimetal oxide particles with at least one compound selected from among silicon-comprising compounds bearing one, two or three alkoxy radicals and at least one solvent, at least one surface-active substance or a mixture thereof, the use of these particles in systems in which they are brought into contact with at least one solvent, where the mass ratio of solvent to modified particle is greater than 500, and also the use of these particles in agglomeration-deagglomeration cycles.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: June 28, 2016
    Assignee: BASF SE
    Inventors: Stephan Deuerlein, Imme Domke, Alexej Michailovski, Reinhold Rieger, Piyada Charoensirisomboon, Christian Eichholz, Robert Bayer
  • Patent number: 9352334
    Abstract: The present invention relates to an apparatus for the separation of magnetic constituents from a dispersion comprising these magnetic constituents and nonmagnetic constituents, comprising at least one loop-like canal (5) through which a dispersion flows having at least two inlets (1, 2) and at least two outlets (3, 4), further comprising at least one magnet (6) that is moveable alongside the canal (5), wherein the canal (5) is arranged relative to gravity in a way that nonmagnetic constituents are assisted to go into at least the one first outlet (3) (stream I) by sedimentation and by the current of the dispersion and magnetic constituents are forced into at least one second outlet (4) (stream II) by magnetic force against a current of flushing water. Furthermore, the present invention relates to a process for the separation of magnetic constituents from a dispersion comprising these magnetic constituents and nonmagnetic constituents.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: May 31, 2016
    Assignees: BASF SE, BASF Corporation
    Inventors: Reinhold Rieger, Imme Domke, Alexej Michailovski, Dennis Lösch, Stephan Deuerlein, Igor Shishkov, David F. Blackwood
  • Patent number: 9216420
    Abstract: An apparatus for separating magnetic particles from a dispersion that includes magnetic particles and non-magnetic particles, the apparatus comprising; at least one arcuate canal forming 90 to 350° of a circular arc through which the dispersion flows, at least one magnet that is movable adjacent to the canal and which forces the magnetic particles into at least one first outlet, and at least one second outlet through which the non-magnetic particles exit the canal, the apparatus further comprising treating the dispersion, or a part of the dispersion, with a hydrophilic liquid, and treating the dispersion, or a part of the dispersion, with a hydrophobic liquid.
    Type: Grant
    Filed: May 3, 2013
    Date of Patent: December 22, 2015
    Assignee: BASF SE
    Inventors: Reinhold Rieger, Imme Domke, Alexej Michailovski, Piyada Charoensirisomboon, David F. Blackwood
  • Patent number: 9024050
    Abstract: The present invention relates to a stable mixture comprising surface-modified particles which are obtained by reacting metal oxide or semimetal oxide particles with at least one compound selected from among silicon-comprising compounds bearing at least one metaloxy radical and optionally further alkoxy and/or hydroxy radical(s) and at least one solvent, at least one surface-active substance or a mixture thereof, a process for producing the mixture, the use of these particles in systems in which they are brought into contact with at least one solvent, where the mass ratio of solvent to modified particle is greater than 500, and also the use of these particles in agglomeration-deagglomeration cycles.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: May 5, 2015
    Assignees: BASF SE, BASF Corporation
    Inventors: Stephan Deuerlein, Imme Domke, Alexej Michailovski, Reinhold Rieger, Piyada Charoensirisomboon, David F. Blackwood, Christian Eichholz, Robert Bayer, Dennis Loesch, Igor Shishkov
  • Patent number: 8865000
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material, at least one second material and magnetic particles, which comprises the following steps (A) at least partial removal of the magnetic particles by application of a magnetic field gradient, optionally in the presence of at least one dispersing medium, to give a mixture comprising at least one first material and at least one second material and a reduced amount of magnetic particles, (B) contacting of the mixture comprising at least one first material and at least one second material from step (A) with magnetic particles so that the at least one first material and the magnetic particles agglomerate, (C) separation of the agglomeration product from the mixture from step (B) by application of a magnetic field gradient and (D) dissociation of the agglomeration product separated off in step (C) in order to obtain the at least one first material and the magnetic particles
    Type: Grant
    Filed: May 27, 2011
    Date of Patent: October 21, 2014
    Assignees: BASF SE, Siemens AG
    Inventors: Alexej Michailovski, Imme Domke
  • Patent number: 8858801
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material, at least one second material and at least one third material, which comprises at least the following steps: (A) contacting of the mixture comprising at least one first material, at least one second material and at least one third material with at least one hydrocarbon in an amount of from 0.01 to 0.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: October 14, 2014
    Assignees: BASF SE, Siemens Aktiengesellschaft
    Inventors: Imme Domke, Alexej Michailovski, Norbert Mronga
  • Publication number: 20140027383
    Abstract: The present invention relates to an apparatus for the separation of magnetic constituents from a dispersion comprising these magnetic constituents and nonmagnetic constituents, comprising at least one loop-like canal (5) through which a dispersion flows having at least two inlets (1, 2) and at least two outlets (3, 4), further comprising at least one magnet (6) that is moveable alongside the canal (5), wherein the canal (5) is arranged relative to gravity in a way that nonmagnetic constituents are assisted to go into at least the one first outlet (3) (stream I) by sedimentation and by the current of the dispersion and magnetic constituents are forced into at least one second outlet (4) (stream II) by magnetic force against a current of flushing water. Furthermore, the present invention relates to a process for the separation of magnetic constituents from a dispersion comprising these magnetic constituents and nonmagnetic constituents.
    Type: Application
    Filed: January 31, 2012
    Publication date: January 30, 2014
    Applicants: BASF Corporation, BASF SE
    Inventors: Reinhold Rieger, Imme Domke, Alexej Michailovski, Dennis Lösch, Stephan Deuerlein, Igor Shishkov, David F. Blackwood
  • Publication number: 20130334107
    Abstract: The present invention relates to an apparatus for separating magnetic particles from a dispersion comprising these magnetic particles and non-magnetic particles, comprising at least one loop-like canal forming 90 to 350° of a circular arc through which the dispersion flows, at least one magnet that is movable alongside the canal and which forces the magnetic particles into at least one first outlet, and at least one second outlet through which the non-magnetic particles are forced, wherein the apparatus further comprises at least one first means for treating the dispersion or a part of the dispersion with a hydrophilic liquid and at least one second means for treating the dispersion or a part of the dispersion with a hydrophobic liquid. In addition, the present invention relates to the use of the apparatus according to the present invention for separating magnetic particles from a dispersion, comprising these magnetic particles and non-magnetic particles.
    Type: Application
    Filed: May 3, 2013
    Publication date: December 19, 2013
    Applicant: BASF SE
    Inventors: Reinhold Rieger, Imme Domke, Alexej Michailovski, Piyada Charoensirisomboon, David F. Blackwood
  • Publication number: 20130319912
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle, or contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle and at least one surface-modifying substance at the same time, contacting of the mixture from step (A) with at least one surface-modifying substance, if this has not been done in step (A), so that the at least one first material, the at least one surface-modifying substance and the at least one magnetic particle become attached to one another, and separation of the addition product by application of a magnetic field.
    Type: Application
    Filed: April 19, 2013
    Publication date: December 5, 2013
    Applicant: BASF SE
    Inventors: Alexej Michailovski, Piyada Charoensirisomboon, Reinhold Rieger, Imme Domke, Igor Shishkov, Hua Wu, Xinya Zhang, Massimo Morbidelli
  • Patent number: 8584862
    Abstract: A method for magnetic ore separation and/or dressing is provided, in which metalliferous recoverable materials are separated from conveyed metalliferous ore rock.
    Type: Grant
    Filed: May 31, 2010
    Date of Patent: November 19, 2013
    Assignees: Siemens Aktiengesellschaft, BASF SE
    Inventors: Vladimir Danov, Imme Domke, Bernd Gromoll, Werner Hartmann, Wolfgang Krieglstein, Alexej Michailovski, Norbert Mronga, Reinhold Rieger
  • Patent number: 8486270
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises the following steps (A) contacting of the mixture comprising at least one first material and at least one second material with at least one magnetic particle in the presence of at least one dispersion medium so that the at least one first material and the at least one magnetic particle agglomerate, (B) if appropriate, addition of further dispersion medium to the dispersion obtained in step (A), (C) separation of the agglomerate from step (A) or (B) from the mixture by application of a magnetic field, (D) and dissociation of the agglomerate separated off in step (C) in order to obtain the at least one first material and the at least one magnetic particle separately, with an energy input of at least 10 kW/m3 being introduced into the dispersion in step (A).
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: July 16, 2013
    Assignees: BASF SE, Siemens Aktiengesellschaft
    Inventors: Reinhold Rieger, Alexej Michailovski, Imme Domke
  • Patent number: 8475662
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material using magnetic particles with which the at least one first material agglomerates.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: July 2, 2013
    Assignees: BASF SE, BASF Corporation, Siemens Aktiengesellschaft
    Inventors: Imme Domke, Reinhold Rieger, Alexej Michailovski, Christian Bittner
  • Patent number: 8434623
    Abstract: The present invention relates to a process for separating at least one first material from a mixture comprising this at least one first material and at least one second material, which comprises the following steps: (A) contacting of the mixture comprising the at least one first material and at least one second material with at least one selective hydrophobicizing agent in the presence of a suspension medium so that an adduct is formed from the at least one hydrophobicizing agent and the at least one first material but not with the at least one second material, (B) contacting of the adduct from step (A) with at least one magnetic particle which is functionalized on the surface with at least one polymeric compound having a transition temperature LCST (lower critical solution temperature) at a temperature at which the polymeric compound has hydrophobic character so that the adduct from step (A) and the at least one functionalized magnetic particle agglomerate, (C) if appropriate addition of further suspensio
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: May 7, 2013
    Assignees: BASF SE, Siemens AG
    Inventors: Imme Domke, Alexej Michailovski, Norbert Mronga, Hartmut Hibst, Juergen Tropsch, Susanne Stutz
  • Patent number: 8408395
    Abstract: A process for separating at least one hydrophobic material from a mixture comprising this at least one hydrophobic material and at least one hydrophilic material, which comprises the steps: (A) preparation of a slurry or dispersion of the mixture to be treated in at least one suitable dispersion medium, (B) contacting of the slurry or dispersion from step (A) with at least one solid, hydrophobic surface to bind the at least one hydrophobic material to be separated off to this, (C) removal of the at least one solid, hydrophobic surface to which the at least one hydrophobic material is bound from step (B) from the slurry or dispersion in which the at least one hydrophilic material is comprised and (D) separation of the at least one hydrophobic material from the solid, hydrophobic surface.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: April 2, 2013
    Assignee: BASF SE
    Inventors: Imme Domke, Alexej Michailovski, Hartmut Hibst
  • Patent number: 8377313
    Abstract: The present invention relates to an agglomerate of at least one particle P which is hydrophobicized on the surface with at least one first surface-active substance and at least one magnetic particle MP which is hydrophobicized on the surface with at least one second surface-active substance, a process for producing it and also the use of these agglomerates.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: February 19, 2013
    Assignees: BASF SE, Siemens Aktiengesellschaft
    Inventors: Imme Domke, Hartmut Hibst, Alexej Michailovski, Norbert Mronga, Werner Hartmann, Wolfgang Krieglstein, Vladimir Danov