Ultrafine fibers and liquid fiber dispersion

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12227881
APP PUB NO 20220010461A1
SERIAL NO

17293392

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Abstract

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An ultrafine fiber has a fiber diameter (D) of 100 to 5000 nm, a ratio (L/D) of a fiber length (L) to the fiber diameter (D) of 3000 to 6000, and a carboxyl terminal group amount of 40 eq/ton or more. At least a part of a surface layer of the ultrafine fiber may be formed of polyester.

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Patent Owner(s)

  • TORAY INDUSTRIES INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamada, Kosuke Shizuoka, JP 5 1
Masuda, Masato Shizuoka, JP 32 34
Suzuki, Norio Shizuoka, JP 249 2744

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