Patents by Inventor Peter Eigen

Peter Eigen 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: 7250456
    Abstract: Compositions comprising a mineral oil or wax and a liquid polysiloxane substituted by functional groups, an anionic surfactant and additionally a molecular mono- or polycarboxylic acid and optionally any emulsifiable, hydrophilic or amphiphilic polymer comprising carboxyl groups are outstanding water repellents for leather, furskins, textiles and fibrous materials.
    Type: Grant
    Filed: January 22, 2003
    Date of Patent: July 31, 2007
    Assignee: TFL Ledertechnik GmbH
    Inventors: Peter Eigen, Leonardus Strijbos
  • Publication number: 20050148702
    Abstract: Compositions comprising a mineral oil or wax and a liquid polysiloxane substituted by functional groups, an anionic surfactant and additionally a molecular mono- or polycarboxylic acid and optionally any emulsifiable, hydrophilic or amphiphilic polymer comprising carboxyl groups are outstanding water repellents for leather, furskins, textiles and fibrous materials.
    Type: Application
    Filed: January 22, 2003
    Publication date: July 7, 2005
    Inventors: Peter Eigen, Leonardus Strijbos