Patents Examined by Robert I. Stoll
  • Method of measuring the efficiency of gas mask filters using non-toxic mono dispersed aerosols
    Patent number: 5087389
    Abstract: An improved process of passing an aerosol mixture through a filter. The asol mixture solely contains in percentage, by volume, of about:______________________________________ % Chemical ______________________________________ A. 60-66 isostearic acid B. 13-17 isooleic acid C. 1-3 isopalmitic acid D. 8-10 stearic acid E. 6-12 oleic acid.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: February 11, 1992
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Hugh R. Carlon, Mark A. Guelta, Bernard V. Gerber