Patents Assigned to Ballestra Chemica, S.p.A.
  • Wet purification of gaseous mixtures containing detergent powders in suspension
    Patent number: 4293318
    Abstract: The present invention relates to a method for the wet purification of gaseous mixtures containing detergent powders in suspension with 18-22 wt. % sodium chloride in aqueous solution.
    Type: Grant
    Filed: May 6, 1980
    Date of Patent: October 6, 1981
    Assignee: Ballestra Chemica, S.p.A.
    Inventors: Fausto A. Bertini, Sergio Noe'