Patents by Inventor Vidar Skagestad
Vidar Skagestad 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).
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Patent number: 10816546Abstract: Magnetic particles capable of binding a target substance, which comprise a magnetic material and a matrix material, wherein the magnetic material is remanent upon exposure to a magnetic field and the matrix material has a surface comprising functional groups which promote disaggregation of the particles in the presence of a liquid phase.Type: GrantFiled: July 27, 2015Date of Patent: October 27, 2020Assignee: Sinvent ASInventors: Lars Kilaas, Anne Dalager Dyrli, Vidar Skagestad
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Publication number: 20150329851Abstract: Magnetic particles capable of binding a target substance, which comprise a magnetic material and a matrix material, wherein the magnetic material is remanent upon exposure to a magnetic field and the matrix material has a surface comprising functional groups which promote disaggregation of the particles in the presence of a liquid phase.Type: ApplicationFiled: July 27, 2015Publication date: November 19, 2015Inventors: Lars Kilaas, Anne Dalager Dyrli, Vidar Skagestad
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Patent number: 8067579Abstract: The present invention relates to a method for isolating nucleic acids from a nucleic acid containing sample, and a kit for carrying out said method. More specifically, it relates to a novel method for extracting nucleic acids from a nucleic acid containing sample, using an anion exchange solid support, and allowing this solid phase with the nucleic acid bound thereto to react with a compound which is also capable of binding to said anion exchange solid support and which optionally provides additional charges at the surface of the anion exchange solid material, thereby preferably changing the surface charge density of the solid support and then releasing the nucleic acid from the solid support, eliminating the need for high salt and/or high pH elution buffers.Type: GrantFiled: June 9, 2007Date of Patent: November 29, 2011Assignee: Qiagen GmbHInventor: Vidar Skagestad
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Patent number: 7785660Abstract: A process for the preparation of polymer magnetic particles, which comprises: providing polymer particles having a porous interior, and contacting the polymer particles with a magnetic fluid comprising a homogeneous dispersion of magnetic particles, whereby the magnetic particles are incorporated into the porous interior to produce polymer magnetic particles.Type: GrantFiled: July 4, 2002Date of Patent: August 31, 2010Assignee: QIAGEN GmbHInventors: Vidar Skagestad, Lars Kilaas
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Publication number: 20100006795Abstract: A process for the preparation of polymer magnetic particles, which comprises: (a) providing a water phase containing magnetic components homogeneously dispersed therein; (b) wherein the water phase is contacted with or further contains a polymerisable metal-containing or organic monomer which is soluble in the water phase; and (c) polymerizing the monomer in the presence of the magnetic in which the magnetic components are substantially uniformly distributed; wherein at least a part of the polymerizing step (c) is carried out in a water-in-oil emulsion in which the water phase containing the magnetic components homogeneously dispersed therein is present as a discontinuous phase in a continuous oil phase.Type: ApplicationFiled: September 15, 2009Publication date: January 14, 2010Inventors: Vidar Skagestad, Lars Kilaas
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Patent number: 7598316Abstract: A process for the preparation of polymer magnetic particles, which comprises: providing a water phase containing magnetic components homogeneously dispersed therein, wherein the water phase is contacted with or further contains a polymerisable metal-containing or organic monomer which is soluble in the water phase, and polymerizing the monomer in the presence of the magnetic components so as to form polymer magnetic particles in which the magnetic components are substantially uniformly distributed; wherein at least a part of the polymerizing step is carried out in a water-in-oil emulsion in which the water phase containing the magnetic components homogenously dispersed therein is present as a discontinuous phase in a continuous oil phase.Type: GrantFiled: July 4, 2002Date of Patent: October 6, 2009Assignee: QIAGEN GmbHInventors: Vidar Skagestad, Lars Kilaas
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Publication number: 20090192303Abstract: The present invention relates to a method for isolating nucleic acids from a nucleic acid containing sample, and a kit for carrying out said method. More specifically, it relates to a novel method for extracting nucleic acids from a nucleic acid containing sample, using an anion exchange solid support, and allowing this solid phase with the nucleic acid bound thereto to react with a compound which is also capable of binding to said anion exchange solid support and which optionally provides additional charges at the surface of the anion exchange solid material, thereby preferably changing the surface charge density of the solid support and then releasing the nucleic acid from the solid support, eliminating the need for high salt and/or high pH elution buffers.Type: ApplicationFiled: June 9, 2007Publication date: July 30, 2009Inventor: Vidar Skagestad
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Publication number: 20090176296Abstract: The present invention relates to a process for isolating total nucleic acid from a nucleic acid-containing sample and a kit for carrying out said process. More specifically, it relates to the isolation of RNA from a nucleic-acid containing sample.Type: ApplicationFiled: June 9, 2007Publication date: July 9, 2009Applicant: QIAGEN GmbHInventors: Vidar Skagestad, Dyre Kamfjord
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Patent number: 7517969Abstract: A process for isolating nucleic acid from a nucleic acid-containing sample, which comprises: (a) providing a chaotrope; (b) providing a nucleic acid binding solid phase capable of binding nucleic acid in the presence of the chaotrope; (c) providing a source of NH4+ or NH3; (d) contacting the sample with the nucleic acid binding solid phase in the presence of a liquid phase comprising the chaotrope and the NH4+ or NH3; and (e) optionally separating the solid phase with the nucleic acid bound thereto from the liquid phase.Type: GrantFiled: April 2, 2003Date of Patent: April 14, 2009Assignee: QIAGEN GmbHInventors: Evy Reitan, Arne Deggerdal, Vidar Skagestad
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Publication number: 20080139800Abstract: The present invention relates to a process for the concentration and/or isolation of nucleic acids or nucleic acid-containing species from a nucleic acid-containing solution, and a kit therefor. In one embodiment, the invention relates to the concentration and/or isolation of DNA and RNA from nucleic acid-containing solutions.Type: ApplicationFiled: June 3, 2004Publication date: June 12, 2008Applicant: QIAGEN GmbHInventors: Arne Deggerdal, Evy H Reitan, Vidar Skagestad, Tine Thorbjornsen
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Publication number: 20060188876Abstract: Magnetic particles capable of binding a target substance, which comprise a magnetic material and a matrix material, wherein the magnetic material is remanent upon exposure to a magnetic field and the matrix material has a surface comprising functional groups which promote disaggregation of the particles in the presence of a liquid phase.Type: ApplicationFiled: July 1, 2003Publication date: August 24, 2006Applicant: Sinvent Ventures A SInventors: Lars Kilaas, Anne Dyrli, Vidar Skagestad
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Publication number: 20050214765Abstract: A process for isolating nucleic acid from a nucleic acid-containing sample, which comprises: (a) providing a chaotrope; (b) providing a nucleic acid binding solid phase capable of binding nucleic acid in the presence of the chaotrope; (c) providing a source of NH4+ or NH3; (d) contacting the sample with the nucleic acid binding solid phase in the presence of a liquid phase comprising the chaotrope and the NH4+ or NH3; and (e) optionally separating the solid phase with the nucleic acid bound thereto from the liquid phase.Type: ApplicationFiled: April 2, 2003Publication date: September 29, 2005Inventors: Evy Reitan, Arne Deggerdal, Vidar Skagestad
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Publication number: 20050003181Abstract: A process for the preparation of polymer magnetic particles, which comprises: providing polymer particles having a porous interior, and contacting the polymer particles with a magnetic fluid comprising a homogeneous dispersion of magnetic particles, whereby the magnetic particles are incorporated into the porous interior to produce polymer magnetic particles.Type: ApplicationFiled: July 4, 2002Publication date: January 6, 2005Inventors: Vidar Skagestad, Lars Kilaas
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Publication number: 20040241426Abstract: A process for the preparation of polymer magnetic particles, which comprises: providing a water phase containing magnetic components homogeneously dispersed therein, wherein the water phase is contacted with or further contains a polymerisable metal-containing or organic monomer which is soluble in the water phase, and polymerizing the monomer in the presence of the magnetic components so as to form polymer magnetic particles in which the magnetic components are substantially uniformly distributed; wherein at least a part of the polymerizing step is carried out in a water-in-oil emulsion in which the water phase containing the magnetic components homogenously dispersed therein is present as a discontinuous phase in a continuous oil phase.Type: ApplicationFiled: July 22, 2004Publication date: December 2, 2004Inventors: Vidar Skagestad, Lars Kilaas