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:
May. 07, 2024
Filed:
Sep. 18, 2020
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Yuya Fujimoto, Tokyo, JP;
Rumina Obi, Tokyo, JP;
Takashi Komatsu, Tokyo, JP;
Eiji Shiota, Tokyo, JP;
Mitsui Chemicals Asahi Life Materials Co., Ltd., Tokyo, JP;
Abstract
Provided is a non-woven fabric which is suitable for cleaning wipers, diapers, food packaging materials, etc., and has excellent water absorption and handling performance. The non-woven fabric according to the present invention contains a thermoplastic biodegradable resin, and is characterized in that fibers constituting the non-woven fabric have crimps, the flexural rigidity index in the mechanical direction (MD) of the non-woven fabric is 7.77-37.4 as defined by the following equation: flexural rigidity index in the mechanical direction (MD)=flexural rigidity (gf·cm) in the mechanical direction (MD)/{basis weight(g/m)}×10, and the bulk density of the non-woven fabric is 0.098 g/cmto 0.251 g/cm.