Patents by Inventor Rainer Wittmer

Rainer Wittmer 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).

  • Perfume delivery systems based on inorganic nano particles
    Publication number: 20060263898
    Abstract: Nano-sized delivery systems consisting of an inorganic nano particle moiety covalently bonded to at least one organic pro-perfume or pro-drug moiety are disclosed. The systems of the invention are able to deliver perfuming or pharmaceutical active ingredients. Other aspects of the present invention include the use of such systems in perfumery as well as the perfuming compositions or perfumed articles that incorporate these delivery systems.
    Type: Application
    Filed: May 1, 2006
    Publication date: November 23, 2006
    Inventors: Walter Paget, Otto Grather, Ralph Nonninger, Christian Goebbert, Rainer Wittmer