Patents Assigned to Mamm+Hummel GmbH
  • Filter element and process for producing a filter element
    Patent number: 8883933
    Abstract: The invention relates to a hotmelt adhesive including a hotmelt adhesive mixture, the mixture having a 15-85% by weight of a first polyester-based hotmelt adhesive and a 15-85% by weight of a second, polyamide-based hotmelt adhesive.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: November 11, 2014
    Assignee: Mamm+Hummel GmbH
    Inventors: Klaus Gehwolf, Tanja Majer, Gelase Mbadinga-Mouanda