Patents Examined by Christina Ilebrando
  • Process for the manufacture of chemical absorbents and chemical absorbent formulations
    Patent number: 6562748
    Abstract: A soda lime formulation comprises calcium hydroxide in admixture with sodium hydroxide and potassium hydroxide and water, and further comprises a zeolite such as sodium aluminium silicate. The formulation has improved mechanical strength and may be prepared in granular form by mixing its constituents with water to form a paste and passing the paste between a pair of rollers having hemispherical depressions therein.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: May 13, 2003
    Assignee: Intersurgical Limited
    Inventor: Michael John Holder