Patents by Inventor Heike Saenger

Heike Saenger 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).

  • Nanoparticulate UV protectant with silicon dioxide coating
    Patent number: 8758501
    Abstract: The present invention relates to nanoparticulate UV protectants which are obtainable by hydrothermal treatment of a nanoparticulate metal oxide and subsequent application of a silicon dioxide coating, and to the preparation and use thereof. The present invention furthermore relates to novel compositions, in particular for topical application, which are intended, in particular, for light protection of the skin and/or of the hair against UV radiation, and to the use thereof in the above-mentioned cosmetic application.
    Type: Grant
    Filed: April 30, 2009
    Date of Patent: June 24, 2014
    Assignees: Merck Patent GmbH, Sachtleben Chemie GmbH
    Inventors: Frank Pfluecker, Bernd Hirthe, Heike Saenger, Stephan John
  • Nanoparticulate UV Protectant With Silicon Dioxide Coating
    Publication number: 20090220441
    Abstract: The present invention relates to nanoparticulate UV protectants which are obtainable by hydrothermal treatment of a nanoparticulate metal oxide and subsequent application of a silicon dioxide coating, and to the preparation and use thereof. The present invention furthermore relates to novel compositions, in particular for topical application, which are intended, in particular, for light protection of the skin and/or of the hair against UV radiation, and to the use thereof in the above-mentioned cosmetic application.
    Type: Application
    Filed: April 30, 2009
    Publication date: September 3, 2009
    Inventors: Frank PFLUECKER, Bernd Hirthe, Heike Saenger, Stephan John
  • Silicon dioxide-coated nanoparticulate uv protectant
    Publication number: 20060194057
    Abstract: The invention relates to silicon dioxide-coated nanoparticulate UV protectants that are obtainable by hydrothermal treatment of a nanoparticulate metal oxide and subsequent application of a silicon dioxide coating. The invention also relates to the production and the use of said protectants and to other novel compositions especially for topical use that are especially destined for the protection of the skin and/or hair from UV radiation. The invention further relates to the cosmetic use of said protectants.
    Type: Application
    Filed: July 5, 2004
    Publication date: August 31, 2006
    Inventors: Frank Pfluecker, Bernd Hirthe, Heike Saenger, Stephan John