Patents by Inventor David Koehl

David Koehl 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: 20230389544
    Abstract: Disclosed is a sanitizing/disinfecting composition containing a quaternary ammonium compound and a polybiguanide. The composition is a food contact safe composition which does not need rinsing after being applied to a substrate. The composition may be saturated into a wipe.
    Type: Application
    Filed: August 17, 2023
    Publication date: December 7, 2023
    Inventors: Andrew Kloeppel, David Koehl, Andrew Colurciello
  • Patent number: 11766041
    Abstract: Disclosed is a sanitizing/disinfecting composition containing a quaternary ammonium compound and a polybiguanide. The composition is a food contact safe composition which does not need rinsing after being applied to a substrate. The composition may be saturated into a wipe.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: September 26, 2023
    Assignee: Arxada, LLC
    Inventors: Andrew Kloeppel, David Koehl, Andrew Colurciello
  • Patent number: 9655367
    Abstract: A composition having a short disinfecting contact time is disclosed. The composition contains a biguanide or guanide, a quaternary ammonium compound and a basic compound in a specific weight ratio to one another. Compositions having less than a two minute disinfection time are disclosed.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: May 23, 2017
    Assignee: LONZA, INC.
    Inventors: Andrew Colurciello, David Koehl
  • Publication number: 20150125502
    Abstract: A composition having a short disinfecting contact time is disclosed. The composition contains a biguanide or guanide, a quaternary ammonium compound and a basic compound in a specific weight ratio to one another. Compositions having less than a two minute disinfection time are disclosed.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 7, 2015
    Inventors: Andrew COLURCIELLO, David KOEHL
  • Publication number: 20140171512
    Abstract: Disclosed is a sanitizing/disinfecting composition containing a quaternary ammonium compound and a polybiguanide. The composition is a food contact safe composition which does not need rinsing after being applied to a substrate. The composition may be saturated into a wipe.
    Type: Application
    Filed: December 16, 2013
    Publication date: June 19, 2014
    Applicant: Lonza, Inc.
    Inventors: Andrew Kloeppel, David Koehl, Andrew Colurciello