Patents by Inventor Roger C. Phillips

Roger C. Phillips 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).

  • Colorimetric ethanol analysis method and test device
    Patent number: 4900666
    Abstract: A disposable test strip device for detecting and measuring ethanol in aqueous solutions is disclosed. The test strip includes an inert support pad that contains a stabilized dry form of the enzyme alcohol oxidase, a material having peroxidative activity and an oxygen acceptor that reacts with hydrogen peroxide to give a compound of changed color. The use of this strip to determine ethanol levels colorimetrically is also disclosed. The stabilizer can comprise a solid aliphatic polyhydroxy compound of from 5-8 carbons and 5-7 hydroxyl groups.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: February 13, 1990
    Assignee: Lifescan, Inc.
    Inventor: Roger C. Phillips
  • Colorimetric ethanol analysis method and test device
    Patent number: 4734360
    Abstract: A disposable test strip device for detecting and measuring ethanol in aqueous solutions is disclosed. The test strip includes an inert support pad that contains a stabilized dry form of the enzyme alcohol oxidase, a material having peroxidative activity and an oxygen acceptor that reacts with hydrogen peroxide to give a compound of changed color. The use of this strip to determine ethanol levels colorimetrically is also disclosed.
    Type: Grant
    Filed: June 26, 1984
    Date of Patent: March 29, 1988
    Assignee: Lifescan, Inc.
    Inventor: Roger C. Phillips