Patents by Inventor Doris Hackemüller

Doris Hackemüller 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: 6372765
    Abstract: The present invention relates to formulations for the dermal control of parasitic insects of animals, having the following composition agonists or antagonists of the nicotinergic acetylcholine receptors of insects in a concentration of from 1 to 20% by weight based on the overall weight of the formulation; solvents from the group benzyl alcohol or optionally substituted pyrrolidones in a concentration of at least 20% by weight based on the overall weight of the formulation; if desired, further solvents from the group consisting of cyclic carbonates or lactones in a concentration of from 5.0 up to 80% by weight based on the overall weight of the formulation; if desired, further auxiliaries from the group thickeners, spreading agents, colorants, antioxidants, propellants, preservatives, adhesives, emulsifiers, in a concentration of from 0.025 up to 10% by weight based on the overall weight of the formulation.
    Type: Grant
    Filed: November 5, 1999
    Date of Patent: April 16, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Kirkor Sirinyan, Hubert Dorn, Richard Kujanek, Klemens Krieger, Ulrich Heukamp, Doris Hackemüller, Terence Hopkins
  • Patent number: 6239192
    Abstract: The present invention relates to new shaped articles which comprise active compounds and are based on thermoplastically processable, biologically degradable polymers, preferably polyesters, polyester amides, polyester urethanes and polyester urethane ureas, and their production and use for combating parasites on, around and in the environment of host animals, the shaped articles optionally serving, after use, for combating phytopathogenic insects on open-air or indoor plants.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: May 29, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hanns Peter Müller, Doris Hackemüller-Bruns, Horst Gruttmann, Kerstin Heeschen