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.

Date of Patent:
Jan. 12, 2021

Filed:

Jul. 02, 2019
Applicant:

Japan Vilene Company, Ltd., Tokyo, JP;

Inventors:

Yusuke Kosaka, Ibaraki, JP;

Takashi Tarao, Ibaraki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 9/08 (2006.01); C04B 35/622 (2006.01); C04B 35/624 (2006.01); D01D 1/02 (2006.01); D01D 5/00 (2006.01); C08K 7/08 (2006.01); B32B 18/00 (2006.01); C08K 3/22 (2006.01);
U.S. Cl.
CPC ...
C08K 7/08 (2013.01); B32B 18/00 (2013.01); C04B 35/624 (2013.01); C04B 35/6224 (2013.01); C04B 35/6225 (2013.01); C04B 35/62231 (2013.01); C04B 35/62236 (2013.01); C08K 3/22 (2013.01); D01D 1/02 (2013.01); D01D 5/0007 (2013.01); D01F 9/08 (2013.01); C04B 2235/44 (2013.01); C04B 2235/441 (2013.01); C04B 2235/526 (2013.01); C04B 2235/5264 (2013.01); C04B 2235/5268 (2013.01); C04B 2237/38 (2013.01); C08K 2003/2227 (2013.01); D10B 2101/02 (2013.01);
Abstract

Disclosed are an inorganic nanofiber characterized in that the average fiber diameter is 2 μm or less, the average fiber length is 200 μm or less, and the CV value of the fiber length is 0.7 or less; and a method of manufacturing the same. In the manufacturing method, an inorganic nanofiber sheet consisting of inorganic nanofibers having an average fiber diameter of 2 μm or less is formed by electrospinning, and then, the inorganic nanofiber sheet is pressed using a press machine and crushed so that the average fiber length becomes 200 μm or less, and the CV value of the fiber length becomes 0.7 or less.


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