FILTERING ABSORBING BOX OF PERSONAL PROTECTIVE MEANS FOR PROTECTING HUMAN RESPIRATORY ORGANS Russian patent published in 2008 - IPC A62B23/02 

FIELD: medical engineering.

SUBSTANCE: device has cover, casing having bottom, aerosol-protection filter and absorbing unit manufactured from beaded sorbent coalesced with plastic. The absorbing unit has mixture of beaded sorbent and polyethylene taken in following proportions (% by mass): carbon sorbent containing 24.0-28.0% of nickel sulfate - 31.0-32.0; carbon sorbent containing 6.0-7.5% of copper, 2.0-2.5% of chromium and 0.04-0.06% of silver - 11.0-11.5; active carbon - 19.0-20.0; active alumina containing 8.0-9.0% of potassium permanganate - 26.0-27.0; polyethylene 11.0-11.5.

EFFECT: enabled general protection against wide greater number of harmful substances having different physical and chemical properties; increased service life.

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