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:
Mar. 17, 2026
Filed:
Jun. 01, 2022
Nanhai Nanxin Non-woven Co. Ltd., Foshan, CN;
Yongji Jin, Shanghai, CN;
Guohua Wu, Jiujiang, CN;
Nanhai Nanxin Non-Woven Co. Ltd., Foshan City, CN;
Abstract
Nonwoven fabrics including a first spunbond layer comprising a first plurality of crimped continuous fibers, a second spunbond layer comprising a second plurality of crimped continuous fibers, and a third spunbond layer comprising a third plurality of crimped continuous fibers, in which the second spunbond layer is located directly or indirectly between the first spunbond layer and the third spunbond layer is provided. The nonwoven fabrics may have a thickness (e.g., loftiness) of at least about 0.3 mm and hydrostatic head of at least about 15 mbar. Methods of manufacturing nonwoven fabrics and protective articles are also provided.