Patents by Inventor Juergen Walker

Juergen Walker 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).

  • Iron oxide containing effect pigments, their manufacture and their use
    Patent number: 9951194
    Abstract: An iron oxide containing effect pigment, and methods for producing and using the same are discussed. The iron oxide containing effect pigment may include an iron oxide coating in direct contact with a particulate substrate, which may have high levels of hematite, magnetite, or maghemite; and low amounts of toxic metals. A method for producing the pigment may include chemical vapor deposition of iron pentacarbonyl onto a particulate substrate. The iron oxide containing effect pigments may be incorporated into compositions, such as cosmetics.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: April 24, 2018
    Assignee: BASF CORPORATION
    Inventors: Juergen Walker, Gabe Uzunian, Raimund Schmid, Aron Wosylus, Christoph Schwidetzky
  • IRON OXIDE CONTAINING EFFECT PIGMENTS, THEIR MANUFACTURE AND THEIR USE
    Publication number: 20140099346
    Abstract: An iron oxide containing effect pigment, and methods for producing and using the same are discussed. The iron oxide containing effect pigment may include an iron oxide coating in direct contact with a particulate substrate, which may have high levels of hematite, magnetite, or maghemite; and low amounts of toxic metals. A method for producing the pigment may include chemical vapor deposition of iron pentacarbonyl onto a particulate substrate. The iron oxide containing effect pigments may be incorporated into compositions, such as cosmetics.
    Type: Application
    Filed: October 2, 2013
    Publication date: April 10, 2014
    Applicant: BASF Corporation
    Inventors: Juergen Walker, Gabe Uzunian, Raimund Schmid, Aron Wosylus, Christoph Schwidetzky