Patent ID: 7449224

Claim:
A spacer profile for an insulated glazing unit, which profile has a cross-section based on a rectangular shape, is provided with two parallel spaced side walls which, when said insulated glazing unit is assembled, will be placed against the panes of glass to be kept apart from each other, and is further provided with first and second transverse walls which extend between said side walls and of which the first will be adjacent to the edge of the glazing unit and the second will face the space between the panes, the spacer profile having a plurality of ducts extending in the longitudinal direction and distributed over the cross-section of the spacer profile, wherein said spacer profile comprises a binder matrix and, embedded therein, a particulate adsorbent material for water vapor, and the binder matrix is permeable to water vapor, the spacer profile further comprising one or more hollow chambers extending in the longitudinal direction, the plurality of ducts being smaller in volume than the at least one hollow chamber.