Patents by Inventor Hartmut Moehring

Hartmut Moehring 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).

  • Dyestuffs and hair dye compositions
    Patent number: 7776106
    Abstract: The present invention refers to dyestuffs of the general Formula (I) wherein R, X, Y and Z are defined as given in claim 1, dyestuff mixtures and hair dye compositions comprising them, as well as a process for coloring hair.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: August 17, 2010
    Assignees: Dystar Textilfarben GmbH & Co., Deutschland KG, Kao Corporation
    Inventors: Roxana Barbieru, Werner Russ, Dominic Pratt, Hartmut Moehring
  • HAIR DYE COMPOSITIONS
    Publication number: 20090249564
    Abstract: The present invention refers to hair dye compositions comprising one or more dyestuffs of the general formula (I) wherein R, X, Y and Z are defined as given in claim 1 and a process for colouring hair.
    Type: Application
    Filed: February 2, 2007
    Publication date: October 8, 2009
    Applicants: DyStar Textilfarben GmbH & Co. Deutschland KG, KAO CORPORATION
    Inventors: Roxana Barbieru, Werner Russ, Dominic Pratt, Hartmut Moehring
  • DYESTUFFS AND HAIR DYE COMPOSITIONS
    Publication number: 20090217466
    Abstract: The present invention refers to dyestuffs of the general Formula (I) wherein R, X, Y and Z are defined as given in claim 1, dyestuff mixtures and hair dye compositions comprising them, as well as a process for colouring hair.
    Type: Application
    Filed: February 2, 2007
    Publication date: September 3, 2009
    Applicants: DyStar Textilfarben GmbH & Co. Deutschland KG, KAO CORPORATION
    Inventors: Roxana Barbieru, Werner Russ, Dominic Pratt, Hartmut Moehring