Patents Examined by Saeed F. Chaudhry
  • Method and apparatus for cleaning articles
    Patent number: 5242502
    Abstract: Disclosed is a method and degreasing apparatus for cleaning articles. The articles are contacted with a chlorinated benzotrifluoride liquid which is subsequently washed from the articles using liquid methylene chloride. The degreaser includes means for applying the liquids to the articles and can also include means for evaporating some of the methylene chloride to render vapors of the chlorinated benzotrifluoride nonflammable.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: September 7, 1993
    Assignee: Occidental Chemical Corporation
    Inventor: Edward A. Rowe