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:
Sep. 21, 2021
Filed:
Jan. 25, 2018
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
TORAY INDUSTRIES INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D04H 3/16 (2006.01); D04H 3/007 (2012.01);
U.S. Cl.
CPC ...
D04H 3/16 (2013.01); D04H 3/007 (2013.01);
Abstract
The present invention provides a spun-bonded nonwoven fabric which is configured from polyolefin fibers that have excellent spinnability even if the single fiber diameter thereof is small, and which exhibits high flexibility and high uniformity. The present invention relates to a spun-bonded nonwoven fabric which is configured from fibers that are formed from a polyolefin resin and have a single fiber diameter of 6.5-14.5 μm, and which has a melt flow rate of 155-850 g/10 minutes and a CV value of the thickness of 13% or less.