Patents Assigned to Klipfontein Organic Products Corporation Limited
  • Production of calcium hypochlorite
    Patent number: 4529578
    Abstract: Crystals of dibasic calcium hypochlorite are produced by reacting lime with a solution containing hypochlorite ions under conditions suitable to produce large crystals of dibasic calcium hypochlorite, a mother liquor and fine insoluble impurities and separating the large dibasic calcium hypochlorite crystals from the mother liquor and insoluble impurities.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: July 16, 1985
    Assignee: Klipfontein Organic Products Corporation Limited
    Inventor: David L. Morgan
  • Production of calcium hypochlorite
    Patent number: 4500506
    Abstract: Neutral calcium hypochlorite is made by producing and separating out from the mother liquor crystals of dibasic calcium hypochlorite; reacting the dibasic calcium hypochlorite with a solution free of insoluble impurities and containing hypochlorite ions to produce hemibasic calcium hypochlorite crystals; separating the crystals of hemibasic calcium hypochlorite from the mother liquor; and converting the hemibasic calcium hypochlorite crystals into neutral calcium hypochlorite.
    Type: Grant
    Filed: September 30, 1983
    Date of Patent: February 19, 1985
    Assignee: Klipfontein Organic Products Corporation Limited
    Inventor: David L. Morgan