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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.:

US 12091542 B1

PDFFull Text
Date of Patent:
Sep. 17, 2024

Filed:

May. 31, 2019

Resin composition, prepreg, metal foil-clad laminate, resin sheet, and printed wiring board

Applicant:

Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;

Inventors:

Saori Honda, Tokyo, JP;

Katsuya Yamamoto, Tokyo, JP;

Kazuyuki Higashita, Tokyo, JP;

Yoshitaka Ueno, Fukushima, JP;

Assignee:

MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;

Attorney:

Morgan, Lewis & Bockius LLP

Primary Examiner:

Monique R Jackson

Int. Cl.
CPC ...
C08L 53/02 (2006.01); B32B 5/02 (2006.01); B32B 15/08 (2006.01); B32B 15/14 (2006.01); B32B 15/20 (2006.01); C08J 5/24 (2006.01); C08L 71/12 (2006.01); C09D 153/02 (2006.01); C09D 171/12 (2006.01); H05K 1/03 (2006.01);
U.S. Cl.
CPC ...
C08L 53/02 (2013.01); B32B 5/024 (2013.01); B32B 15/08 (2013.01); B32B 15/14 (2013.01); B32B 15/20 (2013.01); C08J 5/24 (2013.01); C08L 71/123 (2013.01); C08L 71/126 (2013.01); C09D 153/02 (2013.01); C09D 171/12 (2013.01); H05K 1/0346 (2013.01); H05K 1/0373 (2013.01); B32B 2260/046 (2013.01); B32B 2262/101 (2013.01); B32B 2264/1021 (2020.08); B32B 2307/204 (2013.01); B32B 2307/3065 (2013.01); B32B 2457/08 (2013.01); C08J 2325/10 (2013.01); C08J 2353/02 (2013.01); C08J 2371/12 (2013.01); C08J 2425/10 (2013.01); C08J 2453/02 (2013.01); C08J 2471/12 (2013.01); C08L 2205/025 (2013.01);
Abstract

A resin composition contains a maleimide compound (A), a cyanate ester compound (B), a polyphenylene ether compound (C) with a number average molecular weight of not lower than 1000 and not higher than 7000 and represented by Formula (1), and a block copolymer (D) having a styrene backbone. In Formula (1), X represents an aryl group; —(Y—O)n- represents a polyphenylene ether moiety; R, R, and Reach independently represent a hydrogen atom, an alkyl group, an alkenyl group, or an alkynyl group; nrepresents an integer of from 1 to 100; nrepresents an integer of from 1 to 6; and nrepresents an integer of from 1 to 4.

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