Patents by Inventor Astrid Molteberg
Astrid Molteberg 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: 10017586Abstract: This invention relates to monodisperse cross-linked polymer particles, comprising particles with a substantially smooth outer surface and an average diameter of less than 1 ?m, wherein the particles are solid or porous, and wherein the coefficient of variation (CV) % of the particles, when measured by CPS disk centrifugation analysis, is less than 15%. These monodisperse cross-linked polymer particles may comprise magnetic material and are useful in various application. This invention also relates to monodisperse polymer particles for use as seed particles in the Ugelstad process.Type: GrantFiled: March 8, 2017Date of Patent: July 10, 2018Assignee: LIFE TECHNOLOGIES ASInventors: Grete Modahl, Geir Fonnum, Astrid Molteberg, Silje Lien, Nini Kjus
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Publication number: 20170218095Abstract: This invention relates to monodisperse cross-linked polymer particles, comprising particles with a substantially smooth outer surface and an average diameter of less than 1 ?m, wherein the particles are solid or porous, and wherein the coefficient of variation (CV) % of the particles, when measured by CPS disk centrifugation analysis, is less than 15%. These monodisperse cross-linked polymer particles may comprise magnetic material and are useful in various application. This invention also relates to monodisperse polymer particles for use as seed particles in the Ugelstad process.Type: ApplicationFiled: March 8, 2017Publication date: August 3, 2017Inventors: Grete MODAHL, Geir FONNUM, Astrid MOLTEBERG, Silje LIEN, Nini KJUS
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Patent number: 9309368Abstract: A process for the preparation of monodisperse polymer particles which are formed by contacting monomers with aqueous dispersions comprising monodisperse swellable seed polymers/oligomers, and initiating polymerization in the presence of a steric stabilizer. The resulting swollen seed particles are characterized by the particle mode diameter.Type: GrantFiled: January 10, 2014Date of Patent: April 12, 2016Assignee: LIFE TECHNOLOGIES ASInventors: Arne Jørgedal, Elin Marie Aksnes, Geir Fonnum, Astrid Molteberg, Rolf Nordal, Henning Pettersen, Tollef Tårneby, Solveig Staale, Ellen Weng, Finn Hansen, Silje Nordbø, Oddvar Aune, Arvid Berge, John Bjørgum, Turid Ellingsen, John Ugelstad
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Publication number: 20160075800Abstract: A process for the preparation of monodisperse polymer particles which are formed by contacting monomers with aqueous dispersions comprising monodisperse swellable seed polymers/oligomers, and initiating polymerization in the presence of a steric stabilizer. The resulting swollen seed particles are characterized by the particle mode diameter.Type: ApplicationFiled: September 28, 2015Publication date: March 17, 2016Inventors: Arne JØRGEDAL, Elin Marie AKSNES, Geir FONNUM, Astrid MOLTEBERG, Rolf NORDAL, Henning PETTERSEN, Tollef TÅARNEBY, Solveig STAALE, Ellen WENG, Finn HANSEN, Silje NORDBØ, Oddvar AUNE, Arvid BERGE, John BJØRGUM, Turid ELLINGSEN, John UGELSTAD
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Patent number: 9187691Abstract: A coated magnetic particle comprising an optionally porous magnetic polymer particle of a matrix polymer, said polymer particle having on a surface and/or in the pores thereof superparamagnetic crystals, said coated particle having a coat formed of a coating polymer, wherein said coated magnetic particle is essentially non-autofluorescent.Type: GrantFiled: February 25, 2014Date of Patent: November 17, 2015Assignee: Life Technologies CorporationInventors: Ellen Weng, Geir Fonnum, Grete Modahl, Astrid Molteberg, Torkel Stene
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Publication number: 20140256836Abstract: A process for the preparation of monodisperse polymer particles which are formed by contacting monomers with aqueous dispersions comprising monodisperse swellable seed polymers/oligomers, and initiating polymerization in the presence of a steric stabilizer. The resulting swollen seed particles are characterized by the particle mode diameter.Type: ApplicationFiled: January 10, 2014Publication date: September 11, 2014Applicant: LIFE TECHNOLOGIES ASInventors: Arne JØRGEDAL, Elin Marie AKSNES, Geir FONNUM, Astrid MOLTEBERG, Rolf NORDAL, Henning PETTERSEN, Tollef TÂRNEBY, Solveig STAALE, Ellen WENG, Finn HANSEN, Silje NORDBØ, Oddvar AUNE, Arvid BERGE, John BJØRGUM, Turid ELLINGSEN, John UGELSTAD
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Publication number: 20140231697Abstract: A coated magnetic particle comprising an optionally porous magnetic polymer particle of a matrix polymer, said polymer particle having on a surface and/or in the pores thereof superparamagnetic crystals, said coated particle having a coat formed of a coating polymer, wherein said coated magnetic particle is essentially non-autofluorescent.Type: ApplicationFiled: March 27, 2014Publication date: August 21, 2014Applicant: LIFE TECHNOLOGIES ASInventors: Ellen WENG, Geir FONNUM, Grete MODAHL, Astrid MOLTEBERG, Erling FINNE, Torkel STENE
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Publication number: 20140179025Abstract: A coated magnetic particle comprising an optionally porous magnetic polymer particle of a matrix polymer, said polymer particle having on a surface and/or in the pores thereof superparamagnetic crystals, said coated particle having a coat formed of a coating polymer, wherein said coated magnetic particle is essentially non-autofluorescent.Type: ApplicationFiled: February 25, 2014Publication date: June 26, 2014Applicant: LIFE TECHNOLOGIES ASInventors: Ellen Weng, Geir Fonnum, Grete Modahl, Astrid Molteberg, Erling Finne
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Patent number: 8697453Abstract: A coated magnetic particle comprising an optionally porous magnetic polymer particle of a matrix polymer, said polymer particle having on a surface and/or in the pores thereof superparamagnetic crystals, said coated particle having a coat formed of a coating polymer, wherein said coated magnetic particle is essentially non-autofluorescent.Type: GrantFiled: October 12, 2012Date of Patent: April 15, 2014Assignee: Life Technologies ASInventors: Ellen Weng, Geir Fonnum, Grete Modahl, Astrid Molteberg, Erling Finne
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Patent number: 8658733Abstract: A process for the preparation of monodisperse polymer particles which are formed by contacting monomers with aqueous dispersions comprising monodisperse swellable seed polymers/oligomers, and initiating polymerization in the presence of a steric stabilizer. The resulting swollen seed particles are characterized by the particle mode diameter.Type: GrantFiled: October 10, 2012Date of Patent: February 25, 2014Assignee: Life Technologies ASInventors: Arne Jorgedal, Elin Aksnes, Geir Fonnum, Astrid Molteberg, Rolf Nordal, Henning Pettersen, Tollef Taarneby, Solveig Staale, Ellen Weng, Finn Hansen, Silje Nordbo, Oddvar Aune, Arvid Berge, John Bjorgum, Turid Ellingsen, John Ugelstad
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Publication number: 20120141798Abstract: This invention relates to monodisperse cross-linked polymer particles, comprising particles with a substantially smooth outer surface and an average diameter of less than 1 ?m, wherein the particles are solid or porous, and wherein the coefficient of variation (CV) % of the particles, when measured by CPS disk centrifugation analysis, is less than 15%. These monodisperse cross-linked polymer particles may comprise magnetic material and are useful in various application. This invention also relates to monodisperse polymer particles for use as seed particles in the Ugelstad process.Type: ApplicationFiled: April 29, 2010Publication date: June 7, 2012Applicant: INVITROGEN DYNAL ASInventors: Grete Irene Modahl, Geir Fonnum, Astrid Molteberg, Silje Lien, Nini Kjus
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Publication number: 20100301257Abstract: This invention relates to monodisperse cross-linked polymer particles, comprising particles with a substantially smooth outer surface and an average diameter of less than 1 ?m, wherein the particles are solid or porous, and wherein the coefficient of variation (CV) % of the particles, when measured by CPS disk centrifugation analysis, is less than 15%. These monodisperse cross-linked polymer particles may comprise magnetic material and are useful in various application. This invention also relates to monodisperse polymer particles for use as seed particles in the Ugelstad process.Type: ApplicationFiled: April 29, 2010Publication date: December 2, 2010Applicant: Invitrogen Dynal ASInventors: Grete Irene Modahl, Geir Fonnum, Astrid Molteberg, Silje Lien, Nini Hofslokken Kjus
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Publication number: 20070265390Abstract: A process for the preparation of monodisperse polymer particles which are formed by contacting monomers with aqueous dispersions comprising monodisperse swellable seed polymers/oligomers, and initiating polymerization in the presence of a steric stabilizer. The resulting swollen seed particles are characterized by the particle mode diameter.Type: ApplicationFiled: May 11, 2007Publication date: November 15, 2007Inventors: Arne Jorgedal, Elin Aksnes, Geir Fonnum, Turid Ellingsen, Arvid Berge, John Ugelstad, Viola Ugelstad, Astrid Molteberg, Rolf Nordal, Henning Pettersen, Tollef Taarneby, Solveig Staale, Ellen Weng, Finn Hansen, Silje Nordbo, Oddvar Aune, Arvid Berge, John Bjorgum
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Publication number: 20060131542Abstract: A coated magnetic particle comprising an optionally porous magnetic polymer particle of a matrix polymer, said polymer particle having on a surface and/or in the pores thereof superparamagnetic crystals, said coated particle having a coat formed of a coating polymer, wherein said coated magnetic particle is essentially non-autofluorescent.Type: ApplicationFiled: December 11, 2003Publication date: June 22, 2006Inventors: Ellen Weng, Geir Fonnum, Grete Modahl, Astrid Molteberg, Erling Finne, Torkel Stene