Patents by Inventor Wulf Wendeborn

Wulf Wendeborn 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).

  • Mosquito coil and process for producing mosquito coils
    Patent number: 5447713
    Abstract: Mosquito coils are resistant to breakage, light, flat and ensure a good active substance yield if they consist of a wood-chip and/or fiber material of a density of only 0.4 to 0.7 kg/dm.sup.3 and preferably have a thickness of 1 to 4.5 mm, the active substance being applied to the spiral (1) as a layer (2).
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: September 5, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Elsner, Manfred Schutte, Heinrich Wolfers, Wulf Wendeborn