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.

Date of Patent:
Nov. 29, 2022

Filed:

Oct. 30, 2018
Applicant:

Daicel Polymer Ltd., Tokyo, JP;

Inventors:

Takafumi Ueda, Tokyo, JP;

Hirotomo Katano, Tokyo, JP;

Hiroshi Katayama, Tokyo, JP;

Assignee:

DAICEL POLYMER LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 17/00 (2006.01); C08K 7/06 (2006.01); C08J 5/04 (2006.01);
U.S. Cl.
CPC ...
H01Q 17/002 (2013.01); C08J 5/041 (2013.01); C08K 7/06 (2013.01);
Abstract

Provided is an electromagnetic wave shielding and absorbing molded article which has excellent shielding properties and absorbency for electromagnetic waves having a specific frequency. The electromagnetic wave shielding and absorbing molded article includes a thermoplastic resin composition including stainless steel fibers, and the content ratio of the stainless steel fibers in the molded article is from 0.5 to 20 mass %. The electromagnetic wave shielding and absorbing molded article has a thickness from 0.5 mm to 5 mm, and a shielding property of 10 dB or greater and an absorbency of 25% or greater for electromagnetic waves having any frequency in a frequency domain from 59 GHz to 100 GHz.


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