FR

Francis L. Richter

EU Ecolab Usa: 29 patents #495 of 1,442Top 35%
📍 Hugo, MN: #5 of 152 inventorsTop 4%
🗺 Minnesota: #2,073 of 52,454 inventorsTop 4%
Overall (All Time): #131,516 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
10342231 Method and composition for inhibition of microbial growth in aqueous food transport and process streams John D. Hilgren, Joy A. Salverda, Heidi M. Hanson, Paul Frazer Schacht, Timothy A. Gutzmann 2019-07-09
9247738 Method and composition for inhibition of microbial growth in aqueous food transport and process streams John D. Hilgren, Joy A. Salverda, Heidi M. Hanson, Paul Frazer Schacht, Timothy A. Gutzmann 2016-02-02
8124132 Method and composition for inhibition of microbial growth in aqueous food transport and process streams John D. Hilgren, Joy A. Salverda, Heidi M. Hanson, Paul Frazer Schacht, Timothy A. Gutzmann 2012-02-28
RE41279 Acidic aqueous chlorite teat dip with improved visual indicator stability, extended shelf life, sanitizing capacity and tissue protection David D. McSherry 2010-04-27
7150884 Composition for inhibition of microbial growth John D. Hilgren, Joy A. Salverda, Heidi M. Hanson, Paul Frazer Schacht, Timothy A. Gutzmann 2006-12-19
7109241 Antimicrobial compositions formulated for use in cold temperature conditions and methods of use thereof Duane J. Reinhardt 2006-09-19
7056536 Non-corrosive sterilant composition Duane J. Reinhardt, Sally K. Swart 2006-06-06
6991685 Low temperature cleaning Joseph I. Kravitz, Duane J. Reinhardt, Gerald Wichmann 2006-01-31
6953507 Low temperature cleaning Joseph I. Kravitz, Duane J. Reinhardt, Gerald Wichmann 2005-10-11
6855328 Antimicrobial and antiviral compositions containing an oxidizing species Robert D. P. Hei, Duane J. Reinhardt, Brian Robert Leafblad 2005-02-15
6749869 Acidic aqueous chlorite teat dip providing shelf life, sanitizing capacity and tissue protection Cathy M. Paquette, Richard Staub 2004-06-15
6699510 Acidic aqueous chlorite teat dip with improved visual indicator stability, extended shelf life, sanitizing capacity and tissue protection David D. McSherry 2004-03-02
6627657 Peroxycarboxylic acid compositions and methods of use against microbial spores John D. Hilgren, Duane J. Reinhardt, Joy A. Salverda, Christina L. Rahm 2003-09-30
6589565 Non-corrosive sterilant composition Duane J. Reinhardt, Sally K. Swart 2003-07-08
6582734 Antimicrobial composition useful for the treatment of bovine mastitis Guang-Jong Jason Wei, David D. McSherry, Richard Staub 2003-06-24
6472358 Acid sanitizing and cleaning compositions containing protonated carboxylic acids Duane J. Reinhardt, Richard R. Staub, Teresa C. Podtburg 2002-10-29
6436444 Acidic aqueous chlorite teat dip providing shelf life sanitizing capacity and tissue protection Cathy M. Paquette, Richard Staub 2002-08-20
6379685 Acidic aqueous chlorite teat dip with improved emollient providing shelf life, sanitizing capacity and tissue protection Cathy M. Paquette, Richard Staub, Donald R. Vegoe 2002-04-30
6326032 Beverage manufacture and cold aseptic bottling using peroxyacid antimicrobial composition Bruce R. Cords, Michael E. Besse, Kenji Nogami 2001-12-04
6197739 Proteolytic enzyme cleaner Thomas R. Oakes, Kristine K. Wick, Bruce R. Cords, Sandra L. Bull 2001-03-06
6197321 Drain treatment product and method of use James Wilson, Daniel E. Pedersen 2001-03-06
5858117 Proteolytic enzyme cleaner Thomas R. Oakes, Kristine K. Wick, Bruce R. Cords, Sandra L. Bull 1999-01-12
5622708 Erodible sanitizing caulk Duane J. Reinhardt, Paula Carlson 1997-04-22
5436008 Sanitizing compositions Duane J. Reinhardt 1995-07-25
5419908 Sanitizing composition comprising a blend of aromatic and polyunsaturated carboxylic acids Daniel E. Pedersen, May J. Biedscheid, Dale L. Fredell 1995-05-30