Patents by Inventor Matt PRAECHTER

Matt PRAECHTER 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).

  • Method of laundering industrial garments
    Patent number: 10060073
    Abstract: Metallic based oily soils can be removed from garments by subjecting the garments to a pre-wash in an aqueous solution of a hydroxy diphosphonic acid such as HEDP under acidic conditions. Pre-washing the garments in the aqueous solution of HEDP at about 100 to 212 degrees Fahrenheit for about 15 minutes effectively removes the greasy soils, allowing them to be further laundered with an alkaline detergent composition.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: August 28, 2018
    Assignee: Washing Systems, LLC
    Inventors: Matt Praechter, Roy Praechter, Dave Tibbitts
  • METHOD OF LAUNDERING INDUSTRIAL GARMENTS
    Publication number: 20140345062
    Abstract: Metallic based oily soils can be removed from garments by subjecting the garments to a pre-wash in an aqueous solution of a hydroxy diphosphonic acid such as HEDP under acidic conditions. Pre-washing the garments in the aqueous solution of HEDP at about 100 to 212 degrees Fahrenheit for about 15 minutes effectively removes the greasy soils, allowing them to be further laundered with an alkaline detergent composition.
    Type: Application
    Filed: March 28, 2014
    Publication date: November 27, 2014
    Inventors: Matt PRAECHTER, Roy PRAECHTER, Dave TIBBITTS