Sheet-like material

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12203211
APP PUB NO 20220186426A1
SERIAL NO

17439862

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A sheet material includes a polymeric elastomer and a fiber-entangled body including, as a constituent element, a nonwoven fabric including ultrafine fibers having an average single fiber diameter of 1.0 μm or more and 10.0 μm or less. The ultrafine fibers include a polyester-based resin including a black pigment (a1). The black pigment (a1) has an average particle diameter of 0.05 μm or more and 0.20 μm or less and has a coefficient of variation (CV) of the average particle diameter of 75% or less. The polymeric elastomer includes a polyurethane including a black pigment (b). The sheet material has a nap coverage of 70% or more and 100% or less on a surface having a nap.

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Patent Owner(s)

Patent OwnerAddress
TORAY INDUSTRIES INCJAPAN'S TOKYO CENTRAL NIHONBASHI MUROMACHI 2 CHOME 1 NO 1 TOKYO TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hagiwara, Tatsuya Otsu, JP 23 106
Miyahara, Shunichi Gifu, JP 1 0
Nishimura, Makoto Osaka, JP 120 1759
Tanabe, Akihiro Otsu, JP 102 1549

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