Patents Represented by Attorney John M. Petrunico

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  • Method for separating and measuring the amount of polar compounds and their metabolites in aqueous solutions
    Patent number: 4590166
    Abstract: This invention relates to a novel method for separating and measuring the amount of polar compounds, such as pyridostigmine, acetylcholine, neostigmine, and edrophonium, and their metabolites in aqueous solutions. The method is used to determine the urinary excretion and plasma levels of polar compounds administered to animals.
    Type: Grant
    Filed: March 11, 1983
    Date of Patent: May 20, 1986
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Robert I. Ellin, Peter Zvirblis