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:
Jan. 27, 2026
Filed:
Feb. 24, 2021
Applicant:
Mitsubishi Gas Chemical Company, Inc, Tokyo, JP;
Inventors:
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L 79/08 (2006.01); B32B 15/09 (2006.01); B32B 27/20 (2006.01); B32B 27/36 (2006.01); C08J 5/24 (2006.01); H05K 1/03 (2006.01);
U.S. Cl.
CPC ...
C08L 79/08 (2013.01); B32B 15/09 (2013.01); B32B 27/20 (2013.01); B32B 27/36 (2013.01); C08J 5/24 (2013.01); H05K 1/0366 (2013.01); B32B 2457/00 (2013.01);
Abstract
Provided is a resin composition having high thermal resistance and low dielectric properties, as well as a cured product, a prepreg, a metal foil-clad laminate, a resin sheet, and a printed wiring board. The resin composition contains a compound (A) represented by Formula (M1) and a cyanate ester compound (B) containing two or more aromatic moieties per molecule, the aromatic moieties being replaced by at least one cyanato group: where in Formula (M1), A is a four- to six-membered alicyclic group: