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CENTER HEALTHCARE TECHNOLOGY CO., LTD.

CENTER HEALTHCARE TECHNOLOGY CO., LTD. Patent applications
Patent application numberTitlePublished
20090084384FACE MASK STRUCTURE - A face mask structure, which includes an outer protective layer prepared from a water-repellent non-woven fabric; an inner protective layer prepared from a hydrophile non-woven fabric; a filter layer prepared from a static high-density fiber material for filtering microbes and dust powder, and sandwiched between the outer and inner protective layers; and a compound layer treated with a multiple functionalize carboxylic acid derivative that is a product from a chemical reaction between a cyclodextrin complex and a multiple functionalize carboxylic acid. The cyclodextrin complex can be a complex of cyclodextrin and an essential oil, antibiotic agent, or mosquito repellent agent.04-02-2009