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:
Oct. 27, 2015
Filed:
Sep. 26, 2006
Applicants:
Yuuichi Sugano, Niigata, JP;
Masayuki Katagiri, Niigata, JP;
Daisuke Ohno, Saitama, JP;
Tomoaki Kubota, Niigata, JP;
Yoshikazu Shima, Niigata, JP;
Inventors:
Yuuichi Sugano, Niigata, JP;
Masayuki Katagiri, Niigata, JP;
Daisuke Ohno, Saitama, JP;
Tomoaki Kubota, Niigata, JP;
Yoshikazu Shima, Niigata, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 73/06 (2006.01); C08J 5/24 (2006.01);
U.S. Cl.
CPC ...
C08G 73/0655 (2013.01); C08J 5/24 (2013.01); C08J 2379/04 (2013.01);
Abstract
Provided is a cyanate ester polymer having excellent flame retardance, low dielectric constant, low dielectric loss tangent and high heat resistance. Specifically provided is a cyanate ester polymer obtained by polymerizing a cyanate ester compound represented by the following general formula (1). (1) In the formula, X represents OCN or OH, and 10-100% by mol of X is composed of OCN.