Patents by Inventor Heli PAUKKONEN

Heli PAUKKONEN 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).

  • Method for freeze-drying cells in a hydrogel comprising nanofibrillar cellulose and freeze-dried cells in an aerogel comprising nanofibrillar cellulose
    Patent number: 11969505
    Abstract: The present disclosure provides a method for freeze-drying cells in a hydrogel comprising nanofibrillar cellulose, the method comprising providing a hydrogel comprising nanofibrillar cellulose, providing cells, combining the cells and the hydrogel comprising nanofibrillar cellulose to form a cell system, and freeze drying the cell system to obtain dried cells in a hydrogel comprising nanofibrillar cellulose. The present disclosure also provides a freeze-dried hydrogel comprising nanofibrillar cellulose and cells.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: April 30, 2024
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Heli Paukkonen, Vili-Veli Auvinen, Marjo Yliperttula, Patrick Laurën, Arto Urtti, Timo Laaksonen, Arto Merivaara, Tiina Hakkarainen, Outi Monni, Anne Mäkelä, Petter Somersalo, Piia-Riitta Karhemo, Heikki Joensuu, Raili Koivuniemi, Kari Luukko, Markus Nuopponen
  • Method for drying hydrogel comprising nanofibrillar cellulose and a dried hydrogel comprising nanofibrillar cellulose
    Patent number: 11850306
    Abstract: The present disclosure relates to method for drying hydrogel comprising nanofibrillar cellulose, the method comprising providing a hydrogel comprising nanofibrillar cellulose, providing polyethylene glycol, providing trehalose, mixing the hydrogel, the polyethylene glycol and the trehalose to obtain a mixture, and freeze drying the mixture to obtain a dried hydrogel comprising nanofibrillar cellulose. The present disclosure relates to a freeze-dryable hydrogel comprising nanofibrillar cellulose, to a freeze-dried hydrogel comprising nanofibrillar cellulose, and to a medical hydrogel comprising nanofibrillar cellulose and one or more therapeutic agent(s).
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 26, 2023
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Vili-Veli Auvinen, Heli Paukkonen, Marjo Yliperttula, Arto Urtti, Tiina Hakkarainen, Patrick Laurén, Mikko Kunnari, Timo Laaksonen, Mingwei Li, Kari Luukko
  • METHOD FOR FREEZE-DRYING CELLS IN A HYDROGEL COMPRISING NANOFIBRILLAR CELLULOSE AND FREEZE-DRIED CELLS IN AN AEROGEL COMPRISING NANOFIBRILLAR CELLULOSE
    Publication number: 20220249378
    Abstract: The present disclosure provides a method for freeze-drying cells in a hydrogel comprising nanofibrillar cellulose, the method comprising providing a hydrogel comprising nanofibrillar cellulose, providing cells, combining the cells and the hydrogel comprising nanofibrillar cellulose to form a cell system, and freeze drying the cell system to obtain dried cells in a hydrogel comprising nanofibrillar cellulose. The present disclosure also provides a freeze-dried hydrogel comprising nanofibrillar cellulose and cells.
    Type: Application
    Filed: April 4, 2022
    Publication date: August 11, 2022
    Inventors: Heli PAUKKONEN, Vili-Veli AUVINEN, Marjo YLIPERTTULA, Patrick LAURÉN, Arto URTTI, Timo LAAKSONEN, Arto MERIVAARA, Tiina HAKKARAINEN, Outi MONNI, Anne MÄKELÄ, Petter SOMERSALO, Piia-Riitta KARHEMO, Heikki JOENSUU, Raili KOIVUNIEMI, Kari LUUKKO, Markus NUOPPONEN
  • Method for freeze-drying cells in a hydrogel comprising nanofibrillar cellulose and freeze-dried cells in an aerogel comprising nanofibrillar cellulose
    Patent number: 11324701
    Abstract: The present disclosure provides a method for freeze-drying cells in a hydrogel comprising nanofibrillar cellulose, the method comprising providing a hydrogel comprising nanofibrillar cellulose, providing cells, combining the cells and the hydrogel comprising nanofibrillar cellulose to form a cell system, and freeze drying the cell system to obtain dried cells in a hydrogel comprising nanofibrillar cellulose. The present disclosure also provides a freeze-dried hydrogel comprising nanofibrillar cellulose and cells.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: May 10, 2022
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Heli Paukkonen, Vili-Veli Auvinen, Marjo Yliperttula, Patrick Laurén, Arto Urtti, Timo Laaksonen, Arto Merivaara, Tiina Hakkarainen, Outi Monni, Anne Mäkelä, Petter Somersalo, Piia-Riitta Karhemo, Heikki Joensuu, Raili Koivuniemi, Kari Luukko, Markus Nuopponen
  • A METHOD FOR FREEZE-DRYING CELLS IN A HYDROGEL COMPRISING NANOFIBRILLAR CELLULOSE AND FREEZE-DRIED CELLS IN AN AEROGEL COMPRISING NANOFIBRILLAR CELLULOSE
    Publication number: 20210127663
    Abstract: The present disclosure provides a method for freeze-drying cells in a hydrogel comprising nanofibrillar cellulose, the method comprising providing a hydrogel comprising nanofibrillar cellulose, providing cells, combining the cells and the hydrogel comprising nanofibrillar cellulose to form a cell system, and freeze drying the cell system to obtain dried cells in a hydrogel comprising nanofibrillar cellulose. The present disclosure also provides a freeze-dried hydrogel comprising nanofibrillar cellulose and cells.
    Type: Application
    Filed: August 25, 2017
    Publication date: May 6, 2021
    Inventors: Heli PAUKKONEN, Vili-Veli AUVINEN, Marjo YLIPERTTULA, Patrick LAURÉN, Arto URTTI, Timo LAAKSONEN, Arto MERIVAARA, Tiina HAKKARAINEN, Outi MONNI, Anne MÄKELÄ, Petter SOMERSALO, Piia-Riitta KARHEMO, Heikki JOENSUU, Raili KOIVUNIEMI, Kari LUUKKO, Markus NUOPPONEN
  • A METHOD FOR DRYING HYDROGEL COMPRISING NANOFIBRILLAR CELLULOSE AND A DRIED HYDROGEL COMPRISING NANOFIBRILLAR CELLULOSE
    Publication number: 20200078305
    Abstract: The present disclosure relates to method for drying hydrogel comprising nanofibrillar cellulose, the method comprising providing a hydrogel comprising nanofibrillar cellulose, providing polyethylene glycol, providing trehalose, mixing the hydrogel, the polyethylene glycol and the trehalose to obtain a mixture, and freeze drying the mixture to obtain a dried hydrogel comprising nanofibrillar cellulose. The present disclosure relates to a freeze-dryable hydrogel comprising nanofibrillar cellulose, to a freeze-dried hydrogel comprising nanofibrillar cellulose, and to a medical hydrogel comprising nanofibrillar cellulose and one or more therapeutic agent(s).
    Type: Application
    Filed: December 15, 2017
    Publication date: March 12, 2020
    Inventors: Vili-Veli AUVINEN, Heli PAUKKONEN, Marjo YLIPERTTULA, Arto URTTI, Tiina HAKKARAINEN, Patrick LAURÉN, Mikko KUNNARI, Timo LAAKSONEN, Mingwei LI, Kari LUUKKO