Patents by Inventor Annette Schroeter

Annette Schroeter 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).

  • Fluorescent cyanoacrylate adhesive
    Patent number: 6204309
    Abstract: Cyanoacrylate adhesive containing a pyrylium salt as a fluorescent dye are useful for bonding various substrates, particularly transparent plastics. The pyrylium salt may be present in relatively large quantities in the adhesive without any adverse effect on the storage stability and adhesive properties, yet shows very little inherent coloration in visible light.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: March 20, 2001
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hanns R. Misiak, Heinz C. Nicolaisen, Annette Schroeter, Dagmar Behn