Patents by Inventor James C Cairns

James C Cairns 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).

  • Reagent system and process for adenosine triphosphate monitoring
    Patent number: 7556933
    Abstract: A reagent system comprises a first reagent which includes a high pH phosphate buffer, and a second reagent which includes luciferase, luciferin, a magnesium salt and an enzyme stabilizer. The second reagent has a low pH and a buffer with a pK which is near the optimum pH for activity of luciferase. The reagent system may be used in a process for measuring total adenosine triphosphate (ATP) and/or dissolved extracellular ATP, in a fluid containing microorganisms. The reagent system may also be used in a microbiological remediation or production process.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: July 7, 2009
    Assignee: Luminultra Technologies Ltd.
    Inventors: James C Cairns, Phillip J Whalen, Patrick A Whalen