Patents by Inventor Keith E. Lokkesmeo

Keith E. Lokkesmeo 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 for making a peroxycarboxylic acid
    Patent number: 8957246
    Abstract: The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which can increase the life, activity, and/or safety of the reaction catalyst. The peroxycarboxylic acid compositions made by the method and apparatus can include one or more peroxycarboxylic acids.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: February 17, 2015
    Assignee: Ecolab USA, Inc.
    Inventors: David D. McSherry, Richard K. Staub, Dan N. Tallman, Junzhong Li, Keith E. Lokkesmeo
  • METHOD FOR MAKING A PEROXYCARBOXYLIC ACID
    Publication number: 20120122980
    Abstract: The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which can increase the life, activity, and/or safety of the reaction catalyst. The peroxycarboxylic acid compositions made by the method and apparatus can include one or more peroxycarboxylic acids.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 17, 2012
    Applicant: ECOLAB USA INC.
    Inventors: David D. McSherry, Richard K. Staub, Dan N. Tallman, Junzhong Li, Keith E. Lokkesmeo
  • APPARATUS AND METHOD FOR MAKING A PEROXYCARBOXYLIC ACID
    Publication number: 20110293472
    Abstract: The present invention relates to apparatus and methods for making a peroxycarboxylic acid. The apparatus includes a reaction catalyst and a guard column for pretreating one or more reagents, which can increase the life, activity, and/or safety of the reaction catalyst. The peroxycarboxylic acid compositions made by the method and apparatus can include one or more peroxycarboxylic acids.
    Type: Application
    Filed: August 5, 2011
    Publication date: December 1, 2011
    Applicant: ECOLAB USA INC.
    Inventors: David D. McSherry, Richard K. Staub, Dan N. Tallman, Junzhong Li, Keith E. Lokkesmeo