Patents by Inventor Heidi Margarete Hanson

Heidi Margarete Hanson 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).

  • Publication number: 20130017301
    Abstract: The present invention relates to compositions including peroxyacetic acid and peroxyoctanoic acid and methods for preventing microbial growth in aqueous streams including the step of applying a composition of the invention to the stream. The compositions and methods can control microbial growth in aqueous streams used for transporting or processing food products.
    Type: Application
    Filed: January 18, 2012
    Publication date: January 17, 2013
    Applicant: ECOLAB USA INC.
    Inventors: John Dennis Hilgren, Francis Lawrence Richter, Joy Ann Salverda, Heidi Margarete Hanson, Paul Frazer Schacht, Timothy A. Gutzmann
  • Patent number: 8124132
    Abstract: The present invention relates to compositions including peroxyacetic acid and peroxyoctanoic acid and methods for preventing microbial growth in aqueous streams including the step of applying a composition of the invention to the stream. The compositions and methods can control microbial growth in aqueous streams used for transporting or processing food products.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: February 28, 2012
    Assignee: Ecolab USA Inc.
    Inventors: John Dennis Hilgren, Francis Lawrence Richter, Joy Ann Salverda, Heidi Margarete Hanson, Paul Frazer Schacht, Timothy A. Gutzmann
  • Patent number: 7150884
    Abstract: The present invention relates to compositions including peroxyacetic acid and peroxyoctanoic acid and methods for preventing microbial growth in aqueous streams including the step of applying a composition of the invention to the stream. The compositions and methods can control microbial growth in aqueous streams used for transporting or processing food products.
    Type: Grant
    Filed: July 12, 2000
    Date of Patent: December 19, 2006
    Assignee: Ecolab Inc.
    Inventors: John Dennis Hilgren, Francis Lawrence Richter, Joy Ann Salverda, Heidi Margarete Hanson, Paul Frazer Schacht, Timothy A. Gutzmann