Patents by Inventor Darwin R. Poulos

Darwin R. Poulos 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).

  • Dispersion to limit penetration of aqueous solutions into a membrane
    Patent number: 5187100
    Abstract: A control solution for use with a porous reagent strip comprises a flexible semisolid polymer dispersed in water, such as polyvinyl acetate in distilled water, with appropriate control glucose concentration levels. This solution is useful in mimicking whole blood in conjunction with porous reagent strips to determine compliance of the strips and meters to established measurement and performance criteria.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: February 16, 1993
    Assignee: Lifescan, Inc.
    Inventors: David P. Matzinger, Maria Teodorczyk, Darwin R. Poulos