Patents by Inventor Roger John Arthur Tippett

Roger John Arthur Tippett 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 processing peroxygen solutions
    Patent number: 9254400
    Abstract: The present disclosure relates to a multi-step method for processing peroxygen solutions for reuse or disposal. The method uses an enzyme and a reducing agent.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: February 9, 2016
    Assignee: Ecolab USA Inc.
    Inventors: John D. Hilgren, Jelte Lanting, Roger John Arthur Tippett
  • METHOD FOR PROCESSING PEROXYGEN SOLUTIONS
    Publication number: 20110217761
    Abstract: The present disclosure relates to a multi-step method for processing peroxygen solutions for reuse or disposal. The method uses an enzyme and a reducing agent.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 8, 2011
    Applicant: Ecolab USA Inc.
    Inventors: John D. Hilgren, Jelte Lanting, Roger John Arthur Tippett
  • Method of cleaning a metal surface
    Patent number: 6348440
    Abstract: Methods and compositions for controlling corrosion of high strength steels in the presence of a cleaning solution for removing iron oxide scale from metal surfaces. A benzotriazole or benzimidazole compound is added to a combination of ethoxylated mercaptan and/or oxidized ethoxylated mercaptan and 1-hydroxyethylidene-1,1-diphosphonic acid. The composition is added to an aqueous system, such as a steam generating system, to remove scale from the metal surfaces.
    Type: Grant
    Filed: August 2, 2000
    Date of Patent: February 19, 2002
    Assignee: BetzDearborn Inc.
    Inventors: Donald A. Meskers, Jr., Roger John Arthur Tippett