AIR FLAVORING AGENT PRODUCTION METHOD Russian patent published in 2019 - IPC A61L9/04 

FIELD: air aromatization.

SUBSTANCE: method of producing air fragrance includes preparation of absorbent base, preparation of deodorant filler, impregnation of adsorbent base with deodorant filler. Adsorbent base is represented by rice husks, and the absorbent base is impregnated with a deodorant filler by spraying with further stirring to uniform distribution of the deodorant filler in amount of 5–20 wt%. Preparation of the deodorant filler is carried out by mixing the perfume, surfactant, glycerine, glycol and water at temperature of 40 to 68 °C, with the following ratios of initial components, wt%: odorant 5.0–10.0; surfactant 0.05–0.1; glycerine 10.0–45.0; glycol 2.0–12.0; water – balance.

EFFECT: invention provides an increase in the adsorbent base moisture-absorbing capacity, perfume odor stability enhancement in the temperature range from -30 to +65 °C.

1 cl, 2 tbl, 3 ex