CENTER HEALTHCARE TECHNOLOGY CO., LTD. Patent applications |
Patent application number | Title | Published |
20160029715 | FACE MASK STRUCTURE HAVING BARRIER COMPONENT - A mask structure includes a mask body having at least one edge side; at least one subsidiary part connecting with and corresponding to the edge side, wherein an angle is formed between the subsidiary part and the mask body; and a band set fixing at the two sides of the mask body. | 02-04-2016 |
20090084384 | FACE 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 |