Patents by Inventor Leonard R Haupert

Leonard R Haupert 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).

  • Environmentally safe fungicide and bactericide formulations
    Patent number: 6841572
    Abstract: Environmentally safe fungicide and bactericide formulations are provided by incorporating one or more preservatives in a mildly acidic aqueous solution. The preservatives include organic acids and the salts and esters thereof but exclude preservatives which can generate sulfur or chlorine-containing compounds.
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: January 11, 2005
    Assignee: H&I Agritech
    Inventors: R. Kenneth Horst, Leonard R Haupert
  • Environmentally safe fungicide and bactericide formulations
    Publication number: 20040167220
    Abstract: Environmentally safe fungicide and bactericide formulations are provided by incorporating one or more preservatives in a mildly acidic aqueous solution. The preservatives include organic acids and the salts and esters thereof but exclude preservatives which can generate sulfur or chlorine-containing compounds.
    Type: Application
    Filed: February 20, 2003
    Publication date: August 26, 2004
    Inventors: R. Kenneth Horst, Leonard R. Haupert