Patents Assigned to Cryomed France
  • Cooling article involving evaporation of water from a polymer absorbent
    Patent number: 7048976
    Abstract: The invention relates to a cooling article comprising a polymer absorbent enclosed within a bag delimited by a collapsible envelope having non-watertight walls, wherein said polymer absorbent is under the form of particles each of which comprises a core of less cross-linked polymer sequences more active in retaining absorbed water and a shell of more cross-linked polymer sequences apt to retard diffusion of water from a particle to another during desorption of absorbed water.
    Type: Grant
    Filed: December 27, 2001
    Date of Patent: May 23, 2006
    Assignee: Cryomed France
    Inventors: Patrick Caceres, Frank Caceres