Patents by Inventor Lars-Erik Wagberg

Lars-Erik Wagberg 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
  • CNF cellular solid material
    Patent number: 11091877
    Abstract: The present invention relates to cellular solid materials comprising cellulose nanofibers (CNF) and an anionic or non-ionic surfactant, a method for preparation of such materials, as well as their use.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: August 17, 2021
    Assignee: Cellutech AB
    Inventors: Erik Johansson, Nicholas Tchang Cervin, Korneliya Gordeyeva, Lennart Bergstrom, Lars-Erik Wagberg
  • CNF cellular solid material with anionic surfactants
    Patent number: 10907020
    Abstract: The present invention relates to cellular solid materials comprising cellulose nanofibers (CNF) and an anionic surfactant, a method for preparation of such materials, as well as their use.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: February 2, 2021
    Assignee: Cellutech AB
    Inventors: Erik Johansson, Nicholas Tchang Cervin, Lars-Erik Wagberg
  • CNF CELLULAR SOLID MATERIAL WITH ANIONIC SURFACTANTS
    Publication number: 20170313838
    Abstract: The present invention relates to cellular solid materials comprising cellulose nanofibers (CNF) and an anionic surfactant, a method for preparation of such materials, as well as their use.
    Type: Application
    Filed: October 29, 2015
    Publication date: November 2, 2017
    Inventors: Erik Johansson, Nicholas Tchang Cervin, Lars-Erik Wagberg
  • CNF CELLULAR SOLID MATERIAL
    Publication number: 20170314200
    Abstract: The present invention relates to cellular solid materials comprising cellulose nanofibers (CNF) and an anionic or non-ionic surfactant, a method for preparation of such materials, as well as their use.
    Type: Application
    Filed: April 21, 2015
    Publication date: November 2, 2017
    Inventors: Erik Johansson, Nicholas Tchang Cervin, Korneliya Gordeyeva, Lennart Bergstrom, Lars-Erik Wagberg
  • 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