Patents by Inventor Lars-Erik Wågberg

Lars-Erik Wågberg 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).

  • A CELLULAR SOLID MATERIAL DRUG CARRIER COMPRISING CELLULOSE NANOFIBERS (CNF) WHEREIN THE CELLULAR SOLID MATERIAL COMPRISES CLOSED CELLS
    Publication number: 20210283260
    Abstract: The present invention relates to a structure for the controlled release of at least one active substance, where the structure comprises the active substance and a cellular solid material comprising cellulose nanofibers (CNF). The structure has a density of less than 1000 kg/m3, and the cellular solid material comprises closed cells. The invention further relates to a method for preparing the structure; as well as the use of the structure.
    Type: Application
    Filed: July 7, 2017
    Publication date: September 16, 2021
    Inventors: Anna Justina Hanner, Korbinian Löbmann, Anette Müllertz, Daniel Bar-Shalom, Lars-Erik Wågberg
  • NFC stabilized foam
    Patent number: 9556325
    Abstract: A hydrophobized nanofibrillated cellulose foam comprising a charged hydrophobic amine, a method for providing such foam and its use.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: January 31, 2017
    Assignee: Cellutech AB
    Inventors: Nicholas Tchang Cervin, Lennart Bergström, Lars-Erik Wågberg
  • NFC STABILIZED FOAM
    Publication number: 20150158995
    Abstract: A hydrophobized nanofibrillated cellulose foam comprising a charged hydrophobic amine, a method for providing such foam and its use.
    Type: Application
    Filed: July 10, 2013
    Publication date: June 11, 2015
    Applicant: Cellutech AB
    Inventors: Nicholas Tchang Cervin, Lennart Bergström, Lars-Erik Wågberg