Patents by Inventor Wolfgang Heimbuerger

Wolfgang Heimbuerger 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).

  • Patent number: 4774138
    Abstract: An aqueous release agents for the temporary antiadhesive surface-finishing of tacky pellets, granulates, cubes, flakes and the like, which is a 0.5 to 25% by weight and, more particularly, a 5 to 20% by weight solution of one or more at least dihydric aliphatic alcohol containing from 3 to 7 carbon atoms and/or one or more at least tribasic aliphatic hydroxycarboxylic acid or water-soluble salt thereof, optionally in combination with from 0.2 to 15% by weight of a water-insoluble salt of a C.sub.12 -C.sub.36 aliphatic or alicyclic mono- or dicarboxylic acid, and the use of these release agents in the production of hotmelt adhesives, more particularly pressure-sensitive hotmelt adhesives.
    Type: Grant
    Filed: September 8, 1987
    Date of Patent: September 27, 1988
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karl-Josef Gardenier, Wolfgang Heimbuerger
  • Patent number: 4576835
    Abstract: An aqueous release agents for the temporary antiadhesive surface-finishing of tacky pellets, granulates, cubes, flakes and the like, which is a 0.5 to 25% by weight and, more particularly, a 5 to 20% by weight solution of one or more at least dihydric aliphatic alcohol containing from 3 to 7 carbon atoms and/or one or more at least tribasic aliphatic hydroxycarboxylic acid or water-soluble salt thereof, optionally in combination with from 0.2 to 15% by weight of a water-insoluble salt of a C.sub.12 -C.sub.36 aliphatic or alicyclic mono- or dicarboxylic acid, and the use of these release agents in the production of hotmelt adhesives, more particularly pressure-sensitive hotmelt adhesives.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: March 18, 1986
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karl-Josef Gardenier, Wolfgang Heimbuerger