SURFACE TREATMENT METHOD FOR HOUSEHOLD PRODUCT

WIPO Patent Application WO/2019/212092

A1

The disclosed subject matter relates to a surface treatment method for a household product such as a medical device, a textile product, a food product, home appliances and the like and, more specifically, comprises: an antimicrobial coating film forming step for forming an antimicrobial coating film by vacuum evaporating a silane compound on the surface of a household product; a mineral deposition film forming step for depositing mineral ions on the surface of the household product on which the antimicrobial coating film has formed by means of the antimicrobial coating film forming step; and a far infrared ray irradiating step for irradiating far infrared rays emitted from rare earth powder on the household product on which the mineral deposition film has formed by means of the mineral deposition film forming step. The surface treatment method comprising the above steps allows sterilization for not only the surface of the household product but the inside as well, thereby resulting in excellent antimicrobial activity, and allows the emission of far infrared rays and anions and thus enables the household product to keep food ingredients and the like fresh for a long time.

KIM MIN HO (KR)
YOO JAE WON (KR)
SIN MI HYANG (KR)
KIM YOUNG SU (KR)

PCT/KR2018/008524

November 07, 2019

July 27, 2018

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KIM MIN HO (KR)
21CENTURY MEDICAL CO LTD (KR)
YOO JAE WON (KR)
SIN MI HYANG (KR)
KIM YOUNG SU (KR)

C23C28/00; A61L2/08; A61L2/232; C23C14/12; C23C14/14; C23C14/24; C23C14/34; C23C14/58

KR20120073507A	2012-07-05
CN102108485A	2011-06-29
KR100518163B1	2005-09-29
KR20140069801A	2014-06-10
KR101591653B1	2016-02-04

YOON, Eui-Seoup (KR)

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