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:
Apr. 16, 2024
Filed:
Sep. 06, 2019
Applicant:
Nipponkayaku Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/12 (2006.01); C07D 207/452 (2006.01);
U.S. Cl.
CPC ...
C08G 73/128 (2013.01); C07D 207/452 (2013.01);
Abstract
Provided is a maleimide resin with superior solution stability. Also provided is a cured product with a superior dielectric characteristic that is obtained by curing a curable resin composition in which said maleimide resin is used. The maleimide resin expressed in formula (1), wherein the N,N′-(phenylene-di-(2,2,-propylidene)-di-p-phenylene) bismaleimide content is 90 area % or less. (In formula (1), n is the number of repetitions, and 1<n<5.)