Functional fibrous membrane, method for manufacturing the same, filter comprising the same

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United States of America Patent

PATENT NO 11717793
APP PUB NO 20200398230A1
SERIAL NO

16978515

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Abstract

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A novel fibrous membrane comprises at least one substrate layer comprising at least 80% by weight of microfibers that carry positively charged and/or negatively charged functional groups, and at least one layer of filtration material attached to the substrate layer, wherein the layer of filtration material comprises at least 80% by weight of nanofibers that carry negatively charged and/or positively charged functional groups. The fibrous membrane is able to remove or reduce the concentration of bacteria, viruses and heavy metals while maintaining relatively high water flow. A filter comprising the fibrous membrane and a method for manufacturing the fibrous membrane are also provided.

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Patent Owner(s)

Patent OwnerAddress
KING'S FLAIR DEVELOPMENT LTDCHINA HONGKONG CENTRAL CONNAUGHT ROAD WEST NO 3 YILI COMMERCIAL BUILDING 12 FLOOR HONG KONG HONG KONG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiang, Yu-Jen Shatin, CN 1 0
Diao, Huajia Shatin, CN 2 1
Kwok, Connie Sau Kuen Shatin, CN 11 5
Kwong, Arthur Hong-kin Shatin, CN 1 0
Leung, Yu Hang Shatin, CN 6 2
Tong, Ho Wang Shatin, CN 13 52
Wong, Siu Wah Hong Kong, CN 59 273
Yip, Chun Yin Karl Shatin, CN 2 1
Zhang, Yinghua Shatin, CN 2 0

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