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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.:

US 12031239 B1

PDFFull Text
Date of Patent:
Jul. 09, 2024

Filed:

Jan. 20, 2021

Acrylic fiber for artificial hair, method for manufacturing said fiber, and headdress product containing said fiber

Applicant:

Kaneka Corporation, Osaka, JP;

Inventors:

Satoru Yoshimura, Hyogo, JP;

Masaru Anahara, Hyogo, JP;

Hiroki Shinomiya, Hyogo, JP;

Masanobu Tamura, Hyogo, JP;

Ryohei Noishiki, Hyogo, JP;

Aki Kano, Hyogo, JP;

Akihiro Okamoto, Hyogo, JP;

Assignee:

KANEKA CORPORATION, Osaka, JP;

Attorney:

Osha Bergman Watanabe & Burton LLP

Primary Examiner:

Lynda Salvatore

Int. Cl.
CPC ...
D01F 6/40 (2006.01); A41G 3/00 (2006.01); A41G 5/00 (2006.01); A61L 27/16 (2006.01); D01D 1/02 (2006.01); D01D 5/06 (2006.01);
U.S. Cl.
CPC ...
D01F 6/40 (2013.01); A41G 3/00 (2013.01); A41G 5/0006 (2013.01); A41G 5/004 (2013.01); A61L 27/16 (2013.01); D01D 1/02 (2013.01); D01D 5/06 (2013.01); A41G 3/0083 (2013.01); D10B 2321/101 (2013.01); D10B 2503/08 (2013.01);
Abstract

An acrylic fiber for artificial hair includes an acrylic copolymer obtained by copolymerizing acrylonitrile, vinyl chloride and/or vinylidene chloride, and a sulfonic acid group-containing vinyl monomer; and an organic solvent that can dissolve the acrylic copolymer, where the organic solvent is present in an amount of 0.1 to 3% by mass with respect to the total mass of the acrylic fiber for artificial hair. The acrylic fiber for artificial hair has an average surface roughness of 5900 μmor less in an area of 40 μm long and 80 μm wide of the side surface of the fiber.

Find Patent Forward Citations

Yoshimura, Satoru. (2024). Acrylic fiber for artificial hair, method for manufacturing said fiber, and headdress product containing said fiber (U.S. Patent No. 12031239). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12031239

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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