Patents Assigned to Shieldcrete Ltd.
  • Cementitious shotcrete composition
    Patent number: 6565647
    Abstract: A cementitious shotcrete composition comprising a blend of the following range of ingredients in the following percentages by weight: cement  50% to 99% zeolite 0.3% to 49.3% barite 0.7% to 49.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: May 20, 2003
    Assignee: Shieldcrete Ltd.
    Inventors: Wilfred J. Day, Richard G. Parker, Frank M. MacNeil