Patents by Inventor Jerry S. Knapp

Jerry S. Knapp 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).

  • Use of percarbamic acids and diacyl percarbamates and precursors therefor
    Patent number: 7159333
    Abstract: The invention provides a method of treatment of a material, comprising contacting said material with a percarbamic acid and/or diacyl percarbamate. Preferably the percarbamic acid has formula (I), where R represents an optionally substituted alkyl, aryl, heteroaryl, cycloalkyl or non-aromatic heterocyclic group, a hydrogen atom, or a group having formula (1a), where each R2 independently represents a hydrogen atom or an alkyl group; and m=0 to 30. The method provides effective bleaching agents and resterilizing agents and or bacteriocidal agents over a wide range of pH and temperatures, for a wide range of applications.
    Type: Grant
    Filed: August 16, 2001
    Date of Patent: January 9, 2007
    Assignee: The University of Leeds
    Inventors: David Malcolm Lewis, Jiming Yao, Jerry S. Knapp, Jamie Anthony Hawkes
  • Use of percarbamic acids and diacyl percarbamates and precursors therefor
    Publication number: 20040055092
    Abstract: The invention provides a method of treatment of a material, comprising contacting said material with a percarbamic acid and/or diacyl percarbamate. Preferably the percarbamic acid has formula (I), where R represents an optionally substituted alkyl, aryl, heteroaryl, cycloalkyl or non-aromatic heterocyclic group, a hydrogen atom, or a group having formula (1a), where each R2 independently represents a hydrogen atom or an alkyl group; and m=0 to 30. The method provides effective bleaching agents and r sterilizing agents an or bacteriocidal agents over a wide range of pH and temperatures, for a wide range of applications. Compositions comprise formula (II), whereby R is H or alkyl and L is a moiety displaced by —OOH, and hydrogen peroxide or per hydroxy anion or a precursor therefor.
    Type: Application
    Filed: September 6, 2003
    Publication date: March 25, 2004
    Inventors: David Malcolm Lewis, Juning Yao, Jerry S. Knapp, Jamie Anthony Hawkes