Patents by Inventor Phillip Richard James

Phillip Richard James 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).

  • Device and method for testing biocidal efficacy of a liquid
    Patent number: 6406879
    Abstract: A test device and a method for assessing the biocidal efficacy of a liquid are disclosed.
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: June 18, 2002
    Assignee: Albert Browne Limited
    Inventors: Phillip Richard James, Richard Mark Bancroft
  • TEST DEVICE AND METHOD
    Publication number: 20010039030
    Abstract: A test device (1) for assessing the biocidal efficacy of a liquid comprises a vessel (2), means (3) for introducing a predetermined volume of the liquid into the vessel (2) via an inlet (9), and a porous filter (7) interposed between the inlet (9) and the vessel (2). The vessel (2) contains a predetermined quantity of biologically active organisms and the filter (7) has a pore size effective to retain said organisms.
    Type: Application
    Filed: March 31, 1998
    Publication date: November 8, 2001
    Inventors: PHILLIP RICHARD JAMES, RICHARD MARK BANCROFT
  • Method of steam sterilization using a steam sterilization indicator
    Patent number: 6149863
    Abstract: A steam-sensitive ink comprises, as active ingredient, a tetrazolium salt. The ink may be coated on, or impregnated into, a substrate to form a steam sterilization indicator.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: November 21, 2000
    Assignee: Albert Browne Limited
    Inventor: Phillip Richard James