Patents Represented by Attorney Mary Allen

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  • Stain for acid-fast bacilli
    Patent number: 4857459
    Abstract: Acid-fast bacilli are stained with a primary stain that does not require heating and then with a decolorizing counter-stain that does not require a separate acid or alcohol decolorization step. The primary stain includes basic fuchsin, ethyl alcohol, isopropyl alcohol, phenol and water. The counter-stain includes methylene blue, ethyl alcohol, potassium hydroxide, glycerol, glacial acetic acid, polyvinylpyrrolidone and water.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: August 15, 1989
    Assignee: Becton, Dickinson and Company
    Inventor: Jayakumar Reuben