Patents Assigned to Benetech Incorporated
  • Methods and compositions for short term residual dust suppression
    Patent number: 5409626
    Abstract: An aqueous short term residual dust suppressant is disclosed. The suppressant comprises from about 50 parts by weight to about 2,000 parts by weight water per part by weight of a combination of an anionic foamer and a nonionic or anionic wetter in a foamer to wetter weight ratio of from about 1:1 to about 1:20. Pre-mix concentrates and methods for dust suppression with such suppressants are also disclosed.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: April 25, 1995
    Assignee: Benetech Incorporated
    Inventor: Steven A. Muth