Patents Assigned to Levosil S.p.A.
  • Moisture indicators for the absorbent capacity of a desiccant
    Patent number: 6655315
    Abstract: Moisture indicators comprising, as active principle, copper chloride or another salt capable of releasing Cu++ and Cl− ions, and synergistic salts containing chloride ions, which may be hygroscopic on a suitable support. Depending on the application, the support may be amorphous silica or silica gel; a solid paper support for making a moisture-indicating label; or a bentonite or calcium sulphate for making pellets by mechanical pressing.
    Type: Grant
    Filed: January 29, 2002
    Date of Patent: December 2, 2003
    Assignee: Levosil S.p.A.
    Inventor: Marco Gattiglia