Patents Assigned to Calcite Technology Pty Ltd
  • Microbial biocementation
    Patent number: 8182604
    Abstract: A method of forming a high strength cement in a permeable starting material, the method comprising the step of combining the starting material with effective amounts of (i) a urease producing micro-organism; (ii) urea; and (iii) calcium ions and wherein the effective amount of the urease producing organism provides a urea hydrolysis rate, under standard conditions, of 0.5-50 mM urea hydrolysed.min?1.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: May 22, 2012
    Assignees: Murdoch University, Calcite Technology Pty Ltd
    Inventors: Edward S. Kucharski, Ralf Cord-Ruwisch, Vicky Whiffin, Salwa M. Al-thawadi