Patents Assigned to GFL ENVIRONMENTAL INC.
  • Process to produce a commercial soil additive prepared from compost and in situ oxidized sulphur and soil additive so formed
    Patent number: 10479735
    Abstract: A process for producing a commercial soil additive comprises mixing a compost composition with elementary (raw) sulphur to form a mixed material and turning the mixed material until it is substantially homogenous and until there is microbial oxidation of elementary sulphur therein to at least one sulphate.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: November 19, 2019
    Assignee: GFL ENVIRONMENTAL INC.
    Inventors: Charles O'Donnell, Neil Wiens, Jeffrey Thompson