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.:
Date of Patent:
Dec. 27, 2022
Filed:
May. 24, 2017
Applicant:
Nichias Corporation, Tokyo, JP;
Inventors:
Kazutaka Murayama, Tokyo, JP;
Keiji Tsukahara, Tokyo, JP;
Hikari Sasaki, Tokyo, JP;
Yuuma Tomitsuka, Tokyo, JP;
Tatsuro Miki, Tokyo, JP;
Daisuke Ando, Tokyo, JP;
Assignee:
NICHIAS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/18 (2006.01); B32B 5/32 (2006.01); C03C 13/00 (2006.01); C03C 17/00 (2006.01); C04B 38/00 (2006.01); C04B 38/10 (2006.01); C04B 41/00 (2006.01); G10K 11/162 (2006.01);
U.S. Cl.
CPC ...
B32B 5/18 (2013.01); B32B 5/32 (2013.01); C03C 13/00 (2013.01); C03C 17/001 (2013.01); C04B 38/0054 (2013.01); C04B 38/0067 (2013.01); C04B 38/10 (2013.01); C04B 41/009 (2013.01); G10K 11/162 (2013.01); B32B 2255/102 (2013.01); B32B 2262/101 (2013.01); B32B 2307/102 (2013.01); B32B 2307/304 (2013.01); B32B 2605/00 (2013.01); C03C 2213/00 (2013.01); C03C 2217/70 (2013.01);
Abstract
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/cm, and a flow resistivity is 170,000 to 2,000,000 Ns/m.