The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 2023
Filed:
Mar. 07, 2019
King's Flair Development Ltd., Hong Kong, CN;
Siu Wah Wong, Hong Kong, CN;
Ho Wang Tong, Shatin, CN;
Yu-Jen Chiang, Shatin, CN;
Chun Yin Karl Yip, Shatin, CN;
Arthur Hong-kin Kwong, Shatin, CN;
Huajia Diao, Shatin, CN;
Yinghua Zhang, Shatin, CN;
Yu Hang Leung, Shatin, CN;
Connie Sau Kuen Kwok, Shatin, CN;
KING'S FLAIR DEVELOPMENT LTD., Hong Kong, CN;
Abstract
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile