Patents by Inventor Maria Pretzer

Maria Pretzer 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).

  • Silicone polyether-amide block copolymers
    Patent number: 7790827
    Abstract: Silicone block copolymers containing polyether-amide units, processes to prepare such silicone block copolymers, and their use in various personal care, cosmetic, household care, and healthcare formulations are disclosed.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: September 7, 2010
    Assignee: Dow Corning Corporation
    Inventors: Kimmai Thi Nguyen, Lenin James Petroff, Maria Pretzer, Michael Starch, Kenneth Zimmerman
  • Silicone Polyether-Amide Block Copolymers
    Publication number: 20080045687
    Abstract: Silicone block copolymers are disclosed containing polyether-amide units, processes to prepare such silicone block copolymers, and their use in various personal care, cosmetic, household care, and healthcare formulations. The silicone block copolymers are also useful as fabric and textile treatments as well as thermoplastic additives.
    Type: Application
    Filed: November 28, 2005
    Publication date: February 21, 2008
    Inventors: Kimmai Nguyen, Lenin Petroff, Maria Pretzer, Michael Starch, Kenneth Zimmerman