Philips Device Uses Bleach Solution and Heat for Faster Stain Removal

US Patent No. 12,104,311 B2; Koninklijke Philips N.V. (Philips), Eindhoven, The Netherlands, has patented a device for treating stains that it says avoids or mitigates problems such as: a bleaching reaction is not as effective and requires “comparatively” long time (5-30 minutes) to diminish the stain color.

The device detailed in the patent is comprised of:

• a heating plate for heating a bleach chemical solution previously dosed onto the stained area via a tube;

• a housing for enclosing the stained area of the cloth and the heating plate; and

• an absorption component for absorbing vapors of the bleach chemical solution generated from the stained area.

The solution allows removing stain color in less than 5 minutes by heating up the low concentration (for example, 3%) of bleach chemical solution such as H2O2, after being applied onto the stained area. It is especially effective on stains that can be oxidized like juice, wine and coffee, according to the newly published patent information.

According to the patent, one advantage of this solution is that by removing stain and drying the stained area at the same time, no water rinsing is required and no chemical residue is left over on clothes. Also, the absorption component and/or suction fan prevents vapor inhalation and skin contact by user and eliminates any possible health-related side effects, according to the patent.