Patents by Inventor Don Firstenberg

Don Firstenberg 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).

  • Mono-or Poly-Quarternary Polysiloxanes
    Publication number: 20090076238
    Abstract: Monoquaternary or polyquaternary polysiloxanes are useful as surface finishing components, for example, in cosmetic formulas for skin and hair care, in polishes for the treatment of hard surfaces, in formulas for the drying of automobiles and other hard surfaces after machine washing, for the treatment of textiles and textile fibers, as separate softeners for textiles following the washing whereof with nonionic or anionic/non-ionic detergent formulas, or as softeners in formulas for textile washing based on non-ionic or anionic/non-ionic surfactants, whereby amino groups are used in the form of amines or amine salts as a function of pH value.
    Type: Application
    Filed: July 27, 2001
    Publication date: March 19, 2009
    Inventors: Horst Lange, Roland Wagner, Anita Witossek, Karl-Heinz Stachulla, Siegfried Teuber, Martin Kropfgans, Karl-Heinz Sockel, Don Firstenberg
  • Polysiloxane polymers, method for their production and the use thereof
    Patent number: 7041767
    Abstract: The invention pertains to polysiloxane polymers, methods for their production, and their use as wash resistant hydrophilic softeners.
    Type: Grant
    Filed: July 17, 2001
    Date of Patent: May 9, 2006
    Assignee: GE Bayer Silicones GmbH & Co. KG
    Inventors: Horst Lange, Roland Wagner, Anita Witossek, Karl-Heinz Stachulla, Siegfried Teuber, Albert Schnering, Annette Möller, Martin Kropfgans, Karl-Heinz Sockel, Don Firstenberg
  • Polysiloxane polymers, method for their production and the use thereof
    Publication number: 20040138400
    Abstract: The invention pertains to polysiloxane polymers, methods for their production, and their use as wash resistant hydrophilic softeners.
    Type: Application
    Filed: November 12, 2003
    Publication date: July 15, 2004
    Inventors: Horst Lange, Roland Wagner, Anita Witossek, Karl-Heinz Stachulla, Siegfried Teuber, Albert Schnering, Annette Moller, Martin Kropfgans, Karl-Heinz Sockel, Don Firstenberg