Patents by Inventor Bruno Wixforth

Bruno Wixforth 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: 5137717
    Abstract: A cosmetic preparation having germicidal properties is set forth, which contains 5-hydroxy-1,4-naphthoquinone as such, in the form of plant parts or in the form of a extract obtained from the plant parts. Preferable cosmetic preparations are preparations for oral and dental care, deodorants and a foot powder.The use of 5-hydroxy-1,4-naphthoquinone as a germicidal agent for cosmetic preparations either as such or in the form of plant parts or an extract obtained from the plant parts is also described.
    Type: Grant
    Filed: August 29, 1990
    Date of Patent: August 11, 1992
    Inventor: Bruno Wixforth