Patents by Inventor Helena Skoglar

Helena Skoglar 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).

  • Patent number: 11807666
    Abstract: The present invention relates to the field of chromatography. More closely, the invention relates to a chromatographic method for purification of proteins, such as Factor VIII, von Willebrand factor and Factor IX. The chromatographic method is performed on a matrix comprising an inner porous core and outer porous lid surrounding said core.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: November 7, 2023
    Assignee: Cytiva BioProcess R&D AB
    Inventors: Martin Hall, Karolina Busson, Jean-Luc Maloisel, Helena Skoglar
  • Publication number: 20230091082
    Abstract: The present invention relates to the field of chromatography. More closely, the invention relates to a chromatographic method for purification of proteins, such as Factor VIII, von Willebrand factor and Factor IX. The chromatographic method is performed on a matrix comprising an inner porous core and outer porous lid surrounding said core.
    Type: Application
    Filed: November 29, 2022
    Publication date: March 23, 2023
    Inventors: Martin Hall, Karolina Busson, Jean-Luc Maloisel, Helena Skoglar
  • Patent number: 11542300
    Abstract: The present invention relates to the field of chromatography. More closely, the invention relates to a chromatographic method for purification of plasmaproteins, such as Factor VIII, von Willebrand factor and Factor IX. The chromatographic method is performed on a matrix comprising an inner porous core and outer porous lid surrounding said core.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: January 3, 2023
    Assignee: Cytiva BioProcess R&D AB
    Inventors: Martin Hall, Karolina Busson, Jean-Luc Maloisel, Helena Skoglar
  • Publication number: 20220111310
    Abstract: The invention discloses a separation matrix comprised of porous spherical particles to which antibody-binding protein ligands have been covalently immobilized, wherein the density of said ligands is in the range of 10.5-15 mg/ml and the volume-weighted median diameter of said particles is in the range of 30-55 ?m.
    Type: Application
    Filed: December 7, 2021
    Publication date: April 14, 2022
    Inventors: Karol Maciej Lacki, Hans Blom, Helena Skoglar, Linus Laurin
  • Patent number: 11285460
    Abstract: The invention discloses a separation matrix for purification of biological particles, comprising a plurality of particles having a porous core entity and a porous shell entity covering the core entity, wherein the core entity comprises at least 50 micromole/ml primary amines present on covalently attached ligands displaying at least two primary amines per ligand and the shell entity comprises less than 20 micromole/ml primary amines The invention further discloses a method of purifying biological particles and a method of manufacturing a separation matrix.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: March 29, 2022
    Assignee: CYTIVA BIOPROCESS R&D AB
    Inventors: Jean-Luc Maloisel, Karolina Busson, Karol Lacki, Bjorn Noren, Helena Skoglar
  • Patent number: 11255829
    Abstract: The present invention relates to a chromatography system and a method therefor. The chromatography system comprising an inlet port (102) for receiving a sample, an outlet port (106) for delivering the sample, a detector (201), a column (104), and a valve (202) in fluid communication with the inlet port, the outlet port, the detector, and the column. The valve (202) comprises a first position (304) wherein the inlet port is in fluid communication with the outlet port via a first fluid path comprising the detector and the column, wherein the detector is arranged upstream the column. The valve comprises a second position (404) wherein the inlet port is in fluid communication with the outlet port via a second fluid path comprising the detector and the column, wherein the detector is arranged downstream the column.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: February 22, 2022
    Assignee: CYTIVA SWEDEN AB
    Inventors: Helena Skoglar, Bjorn Olovsson
  • Publication number: 20210269888
    Abstract: The present invention relates to a method for optimizing a bioprocess purification system comprising a bioreactor configured to provide a harvest comprising a target composition, and a purification process arranged downstream the bioreactor and being configured for purification of the harvest to produce a target product having a desired characteristics. The method comprising: a) detecting (32) at least one quality attribute indicative of characteristics of the target product in a downstream process, b) identifying (33) correlations between the at least one quality attribute measured in the downstream process and parameters to control a cell culture process in the bioreactor, and c) controlling (34) the cell culture process to meet the desired characteristics based on the identified correlations, whereby the target characteristics is within a pre-determined range.
    Type: Application
    Filed: July 1, 2019
    Publication date: September 2, 2021
    Inventors: Key Hyckenberg, Helena Skoglar, Gunnar Malmquist, Mikael Carlsten, Roger Lundqvist, Dan Andersson, Linda Mathiasson, Lars Mattsson, Sara Sendabo, Mikael Berg
  • Publication number: 20200378934
    Abstract: There is provided a method and a corresponding system for determining binding capacities of a chromatography column. The method includes detecting a feed signal representative of the composition of a feed material provided to the inlet of the column. The method further includes detecting an effluent signal representative of the composition of the effluent from the column. The method further includes using the feed signal and the effluent signal to determine binding capacities of the column.
    Type: Application
    Filed: August 18, 2020
    Publication date: December 3, 2020
    Inventors: Petra Bangtsson, Erik Estrada, Karol Lacki, Helena Skoglar
  • Publication number: 20200141912
    Abstract: A method of continuous separation of a plasmid from a process feed in an apparatus with at least three chromatography columns packed with separation matrix particles, wherein while one chromatography column is loaded with the process feed, another chromatography column is eluted with an eluent to recover the separated plasmid, and yet another chromatography column is eluted with a further eluent to remove contaminants.
    Type: Application
    Filed: February 23, 2018
    Publication date: May 7, 2020
    Inventors: Hans Blom, Anna Akerblom, Helena Skoglar, Sara Sendabo
  • Publication number: 20200054964
    Abstract: The present invention relates to a method for determining operational status of a chromatography column (1; 39, 47, 59; 107, 109, 111, 113), comprising detecting a feed signal (21; 201) representative of the composition of a feed material provided to the inlet of the column; detecting the UV absorbance in the feed material, detecting an effluent signal (23; 203, 205, 207, 209) representative of the composition of the effluent from the column; and using the feed signal and the effluent signal to determine operational status of the column. The feed signal is generated using a first UV detector having a first UV cell pathlength operating at a first UV wavelength and in the effluent signal is generated using a second UV detector having a second UV cell pathlength operating at a second UV wavelength.
    Type: Application
    Filed: February 14, 2018
    Publication date: February 20, 2020
    Inventors: Hans Blom, Mikael Berg, Hanno Ehring, Linda Mathiasson, Helena Skoglar, Rebecka Chmielowski
  • Publication number: 20190346412
    Abstract: The present invention relates to a method for monitoring operational status in continuous chromatography configured to operate with at least three columns adapted for cyclic use for continuous purification of a target product when feeding the continuous chromatography with a sample containing the target product. The method comprises detecting (81) at least one parameter indicative of a selected function in the continuous chromatography, performing (82) real time trend analysis of the detected parameter to identify a deviating behaviour of the selected function, and initiate (83) actions to eliminate or reduce the effect of the identified deviating behaviour where by the performance of the continuous chromatography is maintained.
    Type: Application
    Filed: December 22, 2017
    Publication date: November 14, 2019
    Applicant: GE Healthcare Bio-Sciences AB
    Inventors: Key HYCKENBERG, Mikael Johan Helmer Eugen BERG, Helena SKOGLAR, Gunnar MALMQUIST, Mikael CARLSTEN, Roger LUNDQVIST, Dan ANDERSSON, Linda MATHIASSON, Lars Henning Ivar MATTSSON, Sara SENDABO
  • Publication number: 20190336886
    Abstract: The present invention relates to a method for controlling a bioprocess purification system comprising a continuous chromatography configured to operate with at least three columns and configured for cyclic operation, wherein the continuous purification is performed on a sample comprising a target product having desired characteristics. The method comprises detecting (82) at least one parameter indicative of characteristics of the target product, performing (83) real time trend analysis of each detected at least one parameter to identify a deviation from the desired characteristics of the target product, and controlling (84) the bioprocess purification system to meet the desired characteristics based on the identified deviation, whereby the target characteristics is within a pre-determined range.
    Type: Application
    Filed: December 22, 2017
    Publication date: November 7, 2019
    Inventors: Key Hyckenberg, Mikael Johan Helmer Eugen Berg, Helena Skoglar, Gunnar Malmquist, Linda Mathiasson, Lars Henning Ivar Mattsson, Sara Sendabo
  • Publication number: 20180275104
    Abstract: The present invention relates to a chromatography system and a method therefor. The chromatography system comprising an inlet port (102) for receiving a sample, an outlet port (106) for delivering the sample, a detector (201), a column (104), and a valve (202) in fluid communication with the inlet port, the outlet port, the detector, and the column. The valve (202) comprises a first position (304) wherein the inlet port is in fluid communication with the outlet port via a first fluid path comprising the detector and the column, wherein the detector is arranged upstream the column. The valve comprises a second position (404) wherein the inlet port is in fluid communication with the outlet port via a second fluid path comprising the detector and the column, wherein the detector is arranged downstream the column.
    Type: Application
    Filed: September 29, 2016
    Publication date: September 27, 2018
    Inventors: Helena Skoglar, Bjorn Olovsson
  • Publication number: 20180243665
    Abstract: The invention discloses a separation matrix comprised of porous spherical particles to which antibody-binding protein ligands have been covalently immobilized, wherein the density of said ligands is in the range of 10.5-15 mg/ml and the volume-weighted median diameter of said particles is in the range of 30-55 ?m. The invention further discloses a method of separation of antibodies by affinity chromatography which employs the said separation matrix within a chromatography column.
    Type: Application
    Filed: August 18, 2016
    Publication date: August 30, 2018
    Inventors: Karol Maciej Lacki, Hans Blom, Helena Skoglar, Linus Laurin
  • Publication number: 20180127460
    Abstract: The present invention relates to the field of chromatography. More closely, the invention relates to a chromatographic method for purification of plasmaproteins, such as Factor VIII, von Willebrand factor and Factor IX. The chromatographic method is performed on a matrix comprising an inner porous core and outer porous lid surrounding said core.
    Type: Application
    Filed: April 4, 2016
    Publication date: May 10, 2018
    Applicant: GE Healthcare Bioprocess R&D AB
    Inventors: Martin Hall, Karolina Busson, Jean-Luc Maloisel, Helena Skoglar
  • Publication number: 20160367966
    Abstract: The invention discloses a separation matrix for purification of biological particles, comprising a plurality of particles having a porous core entity and a porous shell entity covering the core entity, wherein the core entity comprises at least 50 micromole/ml primary amines present on covalently attached ligands displaying at least two primary amines per ligand and the shell entity comprises less than 20 micromole/ml primary amines The invention further discloses a method of purifying biological particles and a method of manufacturing a separation matrix.
    Type: Application
    Filed: February 18, 2015
    Publication date: December 22, 2016
    Inventors: Jean-Luc Maloisel, Karolina Busson, Karol Lacki, Bjorn Noren, Helena Skoglar
  • Publication number: 20120091063
    Abstract: A method for determining binding capacities of a chromatography column (1; 39, 47, 59; 107, 109, 111, 113), comprising: detecting a feed signal (21; 201) representative of the composition of a feed material provided to the inlet of the column; detecting an effluent signal (23; 203, 205, 207, 209) representative of the composition of the effluent from the column; using the feed signal and the effluent signal to determine binding capacities of the column. And a method for controlling a chromatography system comprising at least one column, comprising the steps of: determining binding capacities of the at least one chromatography column according to above; and controlling the start and stop of the different chromatography process steps according to the determined binding capacities.
    Type: Application
    Filed: June 21, 2010
    Publication date: April 19, 2012
    Applicant: GE HEALTHCARE BIO-SCIENCES AB
    Inventors: Petra Bangtsson, Erik Estrada, Karol Lacki, Helena Skoglar