Kao Corporation

Katsuyuki Takano

Satoshi Nagai

Michio Yokosuka

Takeshi Ban

Masahiro Suzuki

Takeshi Ihara

Tohru Nishioka

The invention provides a means capable of effectively inactivating and removing allergen or a precursor thereof. The invention relates to an allergen-reducing agent containing water and a water-soluble polymer compound having units having hydroxy or carboxy groups wherein at least a part of hydrogen atoms of the hydroxy or carboxy groups are substituted by specific groups containing a polyether group.

Allergen depressant and depression method

The invention relates to an allergen remover composition containing component (a): an organic compound forming an azeotropic mixture with water and having an azeotropic point of lower than 100&#xb0; C. with water at 1013.25 hPa, component (b): a component which upon evaporation of a liquid component in the allergen remover, forms a solid containing a compound represented by the following general formula (1) or component (b'): a combination of potassium ion, sodium ion and sulfate ion at a potassium ion/sodium ion molar ratio of from 2/8 to 9/1 and component (c): water.KNa(SO)&#x2003;&#x2003;(1)wherein x is a number of 0.8 to 3.6, y is a number of 0.4 to 3.2, and x+y is 4.

Allergen remover

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Wakayama, Japan

Katsuyuki Takano