Patents by Inventor Robert J. Riedemann

Robert J. Riedemann 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).

  • Agricultural foam marker compositions and use thereof
    Patent number: 6376566
    Abstract: Aqueous agricultural foam marker compositions for delineating treated from untreated areas comprise a foamable composition of an anionic surfactant which is an &agr;-olefin sulfonate and/or an alkyl ether sulfate, a linear C12-16 alkanol, a foam stabilizing polymer, and one or more solvents. The foams produced from the foamable compositions have increased foam life, enhanced wind resistance, and are producable over a wide range of soft/hard water conditions.
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: April 23, 2002
    Assignee: Rhodia Inc.
    Inventors: Vance Bergeron, Robert J. Riedemann, Rajeev Subramanyam, Joel M. Coret