Patents by Inventor Wiebke Drenckhan

Wiebke Drenckhan 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: 20220370329
    Abstract: A method for the preparation of a gelled polysaccharide foam, which includes the following steps: (a) the preparation of a mixture including at least one solubilized polysaccharide chosen from alginates, pectic substances, carrageenans, and mixtures thereof, at least one solvent of the polysaccharide, at least one ionic crosslinking agent of the polysaccharide, the crosslinking agent being not available, optionally a plasticizer soluble into the solvent, optionally a surfactant, and optionally an additive, (b) foaming and gelling the mixture prepared at step (a) by incorporating a pH modifying gas, and (c) optionally drying the gelled foam obtained at step (b). Also, the gelled foam obtained from such a method as well as the uses thereof.
    Type: Application
    Filed: October 27, 2020
    Publication date: November 24, 2022
    Applicants: URGO RECHERCHE INNOVATION ET DEVELOPPEMENT, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE - CNRS -
    Inventors: Sébastien ANDRIEUX, Wiebke DRENCKHAN-ANDREATTA
  • Patent number: 8399530
    Abstract: A process for producing polymer foams by precise control of their morphology through use of microfluidic processes, foams produced in this way and use thereof.
    Type: Grant
    Filed: March 26, 2009
    Date of Patent: March 19, 2013
    Assignee: BASF SE
    Inventors: Meik Ranft, Armin Alteheld, Andre Guerin Moreira, Wiebke Drenckhan, Antje van der Net, Alexander Gryson, Florence Elias
  • Publication number: 20110015288
    Abstract: A process for producing polymer foams by precise control of their morphology through use of microfluidic processes, foams produced in this way and use thereof.
    Type: Application
    Filed: March 26, 2009
    Publication date: January 20, 2011
    Applicant: BASF SE
    Inventors: Meik Ranft, Armin Alteheld, Andre Guerin Moreira, Wiebke Drenckhan, Antje van der Net, Alexander Gryson, Florence Elias