Patents by Inventor Sandra Doerr

Sandra Doerr 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).

  • Solid formulations
    Patent number: 6030924
    Abstract: The novel solid formulations obtained by low pressure extrusion of a mixture comprisingat least one active ingredient; andat least one defoaming agent and/or foam breaking agent from thegroup consisting of perfluoroalkylphosphinic acids and/orperfluoroalkylphosphonic acids and/or their salts,show foam breaking activities even after extrusion, drying and storage at elevated temperatures and are thus very suitable for preparing tank mixtures for use in crop protection.
    Type: Grant
    Filed: May 1, 1998
    Date of Patent: February 29, 2000
    Assignee: American Cyanamid Company
    Inventors: Winfried Mayer, Christian Wassmer, Sandra Doerr