Patents by Inventor Francis R. Richter

Francis R. Richter 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).

  • Patent number: 5861366
    Abstract: Compositions for use as soil removing agents in the food processing industry are disclosed. Food soiled surfaces in food manufacturing and preparation areas can be cleaned. The compositions are preferably manufactured in the form of a solid block or powder concentrate which is diluted with water and used. The cleaning materials are made in a one or two part system which are diluted with a diluent source and mixed prior to use. The products contain high quality cleaning compositions and use a variety of active ingredients. The preferred materials, in a one or two part system, contain detergent compositions, enzymes that degrade food compositions, surfactants, low alkaline builders, water conditioning (softening) agents, and optionally a variety of formulary adjuvants depending on product form.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: January 19, 1999
    Assignee: Ecolab Inc.
    Inventors: Deborah A. Ihns, William Schmidt, Francis R. Richter