Protection barrier against ionizing rays of the .gamma. type and/or x-rays
AssigneeBaxter International Inc.
InventorsJean Kersten, Etienne Lombard, Christian Carlier
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Abstract
Protection barrier against ionizing rays of the .gamma. type and/or X-rays comprising a flexible sheet (2) in which particles (3) of an agent absorbing said rays are dispersed. The absorbing agent is selected among bismuth and the oxides, hydroxide and salts of bismuth and is particularly bismuth oxide of the formula Bi.sub.2 O.sub.3 having a particle size of less than 10 microns (figure).
Claims12
Protection barrier against ionizing rays of the type and/or x-rays, comprising a flexible single layer polymeric film of between 50 and 500 microns, in thickness in which particles of an agent absorbing said rays are dispersed, characterized in that said ionizing ray absorbing agent is selected from the group consisting of particles of bismuth, bismuth oxide, bismuth hydroxide or bismuth salts, said particles having a size of less than 40 microns.
Dependencies are inferred from the claim text.