Patents by Inventor Lauri Paasonen

Lauri Paasonen 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: 20240091399
    Abstract: The present disclosure provides a medical grade nanofibrillar cellulose hydrogel comprising plant-based chemically and enzymatically unmodified nanofibrillar cellulose hydrogel having a concentration of the nanofibrillar cellulose in the range of 1.4-3.4% by weight, the nanofibrillar cellulose having a number-average diameter of fibrils and/or fibril bundles of 100 nm or less, and a storage modulus in the range of 1-35 Pa. The present disclosure also provides a method for treating a subject in need of treatment of body with implantable material, and a method for manufacturing medical grade nanofibrillar cellulose hydrogel.
    Type: Application
    Filed: September 9, 2022
    Publication date: March 21, 2024
    Inventors: Johana KUNCOVÁ-KALLIO, Tony KIURU, Lauri PAASONEN, Kari LUUKKO, Mika V. KOSONEN, Henri SILTANEN
  • Publication number: 20240052314
    Abstract: The present disclosure provides a bioreactor for extracting cell-derived products from cultured cells, the bioreactor comprising a container, an inlet for inputting cell culture medium into the container, an outlet for outputting cell culture medium comprising cell-derived products from the container, the container comprising, or being connected to, a compartment comprising nanostructured cellulose configured to receive cells, said compartment comprising a first separating surface separating the nanostructured cellulose from the outlet and allowing cell culture medium comprising cell-derived products to pass through the first separating surface. The present disclosure also provides a method for separating cell-derived products from cultured cells and a nanostructured cellulose product.
    Type: Application
    Filed: August 26, 2021
    Publication date: February 15, 2024
    Inventors: Markus NUOPPONEN, Jonathan SHEARD, Tony KIURU, Lauri PAASONEN, Roosa STÅHLBERG, Piia MIKKONEN, Anne MERILUOTO, Sepideh PARVANIAN, John ERIKSSON, Cheng FANG
  • Patent number: 11826237
    Abstract: The present application relates to a method for preparing a medical product, the method comprising providing an aqueous dispersion of nanofibrillar cellulose, providing a nonwoven fabric, immersing the nonwoven fabric in the aqueous dispersion of nanofibrillar cellulose to form a coating on the nonwoven fabric, passing the immersed nonwoven fabric through a prefined gap to define the thickness of the coating on the immersed nonwoven fabric without pressing, and dewatering the immersed nonwoven fabric, to obtain the medical product. The present application also relates to a medical product comprising a supporting layer and an absorbent layer, wherein the supporting layer comprises a nonwoven fabric, and the absorbent layer comprises unpressed nanofibrillar cellulose having an average fibril diameter of 200 nm or less, wherein the absorbent layer is coating the supporting layer.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: November 28, 2023
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Kari Luukko, Markus Nuopponen, Lauri Paasonen, Mika Kosonen, Saara Laitinen, Lindsay Davies, Sami Valkonen
  • Patent number: 11744798
    Abstract: An injectable pharmaceutical formulation includes nanofibrillar cellulose hydrogel wherein the content of nanofibrillar cellulose in the pharmaceutical formulation is the range of 1-8% (w/w), and pharmaceutical compound. The injectable pharmaceutical formulation can provide a sustained release of a pharmaceutical compound in a subject. Use of nanofibrillar cellulose for preparing the injectable pharmaceutical formulation is also disclosed.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: September 5, 2023
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Markus Nuopponen, Lauri Paasonen, Anne Meriluoto, Jukka Rissanen, Harri Jukarainen
  • Patent number: 11624051
    Abstract: A composition or matrix comprising a bacteriophage and nanofibrillar cellulose or a derivative thereof in a wet or dry state is disclosed.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 11, 2023
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Mikael Skurnik, Saija Kiljunen, Sheetal Patpatia, Markus Nuopponen, Lauri Paasonen
  • Publication number: 20220348882
    Abstract: The present disclosure relates to a method for controlling freeze-drying of a hydrogel wherein the method comprises adjusting the residual water content of the freeze-dried hydrogel, and to a freeze-dried hydrogel composition comprising nanoscale cellulose and a at least one biomolecule selected from an oligosaccharide or a disaccharide. The present disclosure further concerns the use of the freeze-dried hydrogel composition for cell culturing, a cell culturing scaffold as well as a process for manufacturing a reconstituted hydrogel.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 3, 2022
    Inventors: Marjo YLIPERTTULA, Arto MERIVAARA, Elle KOIVUNOTKO, Kalle MANNINEN, Sami VALKONEN, Markus NUOPPONEN, Lauri PAASONEN
  • Publication number: 20220349651
    Abstract: A method for freeze-drying a hydrogel composition is disclosed, the method comprising providing the hydrogel composition, wherein the hydrogel composition comprises cellulose nanofibrils and/or cellulose nanocrystals, at least one saccharide, at least one amino acid, and biologics; and freeze-drying the hydrogel composition, thereby obtaining a freeze-dried hydrogel composition.
    Type: Application
    Filed: April 30, 2021
    Publication date: November 3, 2022
    Inventors: Markus Nuopponen, Marjo Yliperttula, Arto Merivaara, Ossi Korhonen, Jacopo Zini, Elle Koivunotko, Lisa Chinello, Giulia Scapin, Anne Meriluoto, Lauri Paasonen
  • Publication number: 20210214510
    Abstract: A nanofibrillar cellulose hydrogel is disclosed. The nanofibrillar cellulose hydrogel may comprise azido-modified nanofibrillar cellulose having a substituent represented by the formula —O—(CH2)n—S(O)m-L1-N3, wherein n is in the range of 1 to 10; m is 0 or 1; and L1 is a linker; wherein the substituent is attached to a carbon of one or more glucosyl units of the azido-modified nanofibrillar cellulose, thus forming an ether bond to the carbon.
    Type: Application
    Filed: May 23, 2019
    Publication date: July 15, 2021
    Inventors: Markus Nuopponen, Lauri Paasonen, Tero Satomaa, Olli Aitio, Jari Helin
  • Publication number: 20210128365
    Abstract: The present application relates to a method for preparing a medical product, the method comprising providing an aqueous dispersion of nanofibrillar cellulose, providing a nonwoven fabric, immersing the nonwoven fabric in the aqueous dispersion of nanofibrillar cellulose to form a coating on the nonwoven fabric, passing the immersed nonwoven fabric through a prefined gap to define the thickness of the coating on the immersed nonwoven fabric without pressing, and dewatering the immersed nonwoven fabric, to obtain the medical product. The present application also relates to a medical product comprising a supporting layer and an absorbent layer, wherein the supporting layer comprises a nonwoven fabric, and the absorbent layer comprises unpressed nanofibrillar cellulose having an average fibril diameter of 200 nm or less, wherein the absorbent layer is coating the supporting layer.
    Type: Application
    Filed: October 6, 2020
    Publication date: May 6, 2021
    Inventors: Kari LUUKKO, Markus NUOPPONEN, Lauri PAASONEN, Mika KOSONEN, Saara LAITINEN, Lindsay DAVIES, Sami VALKONEN
  • Publication number: 20210085602
    Abstract: An injectable pharmaceutical formulation includes nanofibrillar cellulose hydrogel wherein the content of nanofibrillar cellulose in the pharmaceutical formulation is the range of 1-8% (w/w), and pharmaceutical compound. The injectable pharmaceutical formulation can provide a sustained release of a pharmaceutical compound in a subject. Use of nanofibrillar cellulose for preparing the injectable pharmaceutical formulation is also disclosed.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 25, 2021
    Inventors: Markus NUOPPONEN, Lauri PAASONEN, Anne MERILUOTO, Jukka RISSANEN, Harri JUKARAINEN
  • Publication number: 20200385660
    Abstract: A cell culture plate includes one or more cell culture well(s) including at least one barrier for dividing the well into at least two compartments, wherein the barrier includes nanofibrillar cellulose hydrogel, and a method for the preparation thereof. A method for detecting a substance is also disclosed.
    Type: Application
    Filed: May 19, 2020
    Publication date: December 10, 2020
    Inventors: Markus NUOPPONEN, Lauri PAASONEN, Marika MANNERSTRÖM, Tuula HEINONEN, Tarja TOIMELA
  • Publication number: 20200268832
    Abstract: Disclosed are compositions and methods for treatment of atherosclerosis and atherosclerotic plaques. In some forms, the compositions and methods can prevent, inhibit, or reduce atherosclerosis. In some forms, the compositions and methods can prevent, inhibit, or reduce atherosclerotic plaques. In particular, compositions comprising a plaque-homing element, a CendR-activating element, and a plaque-inhibiting element are disclosed.
    Type: Application
    Filed: December 9, 2019
    Publication date: August 27, 2020
    Inventors: Erkki Ruoslahti, Tambet Teesalu, Lauri Paasonen
  • Publication number: 20200115678
    Abstract: The present invention is related to methods and materials for culturing expanding cells in a three-dimensional culture. The material comprises plant-derived anionic nanofibrillar cellulose, wherein the anionic nanofibrillar cellulose is in a form of hydrogel. The invention also provides methods for producing materials and compositions comprising plant-derived anionic nanofibrillar cellulose.
    Type: Application
    Filed: June 19, 2018
    Publication date: April 16, 2020
    Inventors: Markus Nuopponen, Lauri Paasonen, Susanna Narkilahti, Tiina Joki, Laura Ylä-Outinen
  • Publication number: 20200071659
    Abstract: A composition or matrix comprising a bacteriophage and nanofibrillar cellulose or a derivative thereof in a wet or dry state is disclosed.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 5, 2020
    Inventors: Mikael Skurnik, Saija Kiljunen, Sheetal Patpatia, Markus ` Nuopponen, Lauri Paasonen
  • Patent number: 10500246
    Abstract: Disclosed are compositions and methods for treatment of atherosclerosis and atherosclerotic plaques. In some forms, the compositions and methods can prevent, inhibit, or reduce atherosclerosis. In some forms, the compositions and methods can prevent, inhibit, or reduce atherosclerotic plaques. In particular, compositions comprising a plaque-homing element, a CendR-activating element, and a plaque-inhibiting element are disclosed.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: December 10, 2019
    Assignee: Sanford Burnham Prebys Medical Discovery Institute
    Inventors: Erkki Ruoslahti, Tambet Teesalu, Lauri Paasonen
  • Patent number: 10307722
    Abstract: The invention relates to a method for reducing the viscosity of a nanofibrillar cellulose hydrogel, wherein the method comprises mixing a nanofibrillar cellulose hydrogel with an aqueous growth medium for cell culture, wherein the aqueous growth medium contains one or more salts and optionally one or more sugars, using shearing forces so that a homogeneous dispersion is formed. The invention further relates to a dispersion comprising a nanofibrillar cellulose hydrogel and an aqueous growth medium for cell culture and to a use of an aqueous growth medium.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: June 4, 2019
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Markus Nuopponen, Isko Kajanto, Anne Meriluoto, Kari Luukko, Lauri Paasonen
  • Publication number: 20180303898
    Abstract: Disclosed are compositions and methods for treatment of atherosclerosis and atherosclerotic plaques. In some forms, the compositions and methods can prevent, inhibit, or reduce atherosclerosis. In some forms, the compositions and methods can prevent, inhibit, or reduce atherosclerotic plaques. In particular, compositions comprising a plaque-homing element, a CendR-activating element, and a plaque-inhibiting element are disclosed.
    Type: Application
    Filed: June 27, 2016
    Publication date: October 25, 2018
    Applicant: Sanford Burnham Prebys Medical Discovery Institute
    Inventors: Erkki Ruoslahti, Tambet Teesalu, Lauri Paasonen
  • Publication number: 20170354944
    Abstract: The invention relates to a method for reducing the viscosity of a nanofibrillar cellulose hydrogel, wherein the method comprises mixing a nanofibrillar cellulose hydrogel with an aqueous growth medium for cell culture, wherein the aqueous growth medium contains one or more salts and optionally one or more sugars, using shearing forces so that a homogeneous dispersion is formed. The invention further relates to a dispersion comprising a nanofibrillar cellulose hydrogel and an aqueous growth medium for cell culture and to a use of an aqueous growth medium.
    Type: Application
    Filed: December 21, 2015
    Publication date: December 14, 2017
    Inventors: Markus Nuopponen, Isko Kajanto, Anne Meriluoto, Kari Luukko, Lauri Paasonen