Soundproofing material

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United States of America Patent

PATENT NO 11535004
APP PUB NO 20190329524A1
SERIAL NO

16305173

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 μm and 1000 μm or less, a bulk density is 0.007 to 0.024 g/cm3, and a flow resistivity is 170,000 to 2,000,000 Ns/m4.

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Patent Owner(s)

Patent OwnerAddress
NICHIAS CORPORATIONTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ando, Daisuke Tokyo, JP 22 86
Miki, Tatsuro Tokyo, JP 6 9
Murayama, Kazutaka Tokyo, JP 12 13
Sasaki, Hikari Tokyo, JP 2 2
Tomitsuka, Yuuma Tokyo, JP 2 2
Tsukahara, Keiji Tokyo, JP 6 18

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