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:
Aug. 06, 2019
Filed:
Feb. 19, 2016
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 261/02 (2006.01); C08G 14/12 (2006.01); C08G 59/20 (2006.01); C08G 61/02 (2006.01); C08J 5/04 (2006.01); C08J 5/24 (2006.01); C08G 65/18 (2006.01); C09J 161/06 (2006.01); C09J 163/00 (2006.01); C08L 61/04 (2006.01); C08L 61/34 (2006.01); C08L 63/00 (2006.01); C08L 65/00 (2006.01); H01L 23/14 (2006.01); H01L 23/29 (2006.01); H01L 23/31 (2006.01); C09J 11/06 (2006.01); C08G 73/06 (2006.01); C09J 179/04 (2006.01);
U.S. Cl.
CPC ...
C07C 261/02 (2013.01); C08G 14/12 (2013.01); C08G 59/20 (2013.01); C08G 61/02 (2013.01); C08G 65/18 (2013.01); C08J 5/04 (2013.01); C08J 5/24 (2013.01); C08L 61/04 (2013.01); C08L 61/34 (2013.01); C08L 63/00 (2013.01); C08L 65/00 (2013.01); C09J 11/06 (2013.01); C09J 161/06 (2013.01); C09J 163/00 (2013.01); H01L 23/14 (2013.01); H01L 23/29 (2013.01); H01L 23/31 (2013.01); C08G 73/06 (2013.01); C09J 179/04 (2013.01);
Abstract
The present invention provides a novel cyanate ester compound which has excellent solvent solubility and from which a hardened product having a low coefficiency of thermal expansion and excellent flame retardancy and heat resistance is obtained. The present invention is a cyanate ester compound obtained by cyanating a naphthol-dihydroxynaphthalene aralkyl resin or a dihydroxynaphthalene aralkyl resin.