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:
Mar. 24, 2015
Filed:
Dec. 15, 2009
Applicants:
Shinichiro Shoji, Iwakuni, JP;
Hirotaka Suzuki, Iwakuni, JP;
Inventors:
Shinichiro Shoji, Iwakuni, JP;
Hirotaka Suzuki, Iwakuni, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 498/02 (2006.01); C07D 498/10 (2006.01); C07D 273/08 (2006.01);
U.S. Cl.
CPC ...
C07D 273/08 (2013.01); C07D 498/10 (2013.01);
Abstract
A cyclic carbodiimide compound which is useful as an end-sealing agent for polymer compounds. The cyclic carbodiimide compound is represented by the following formula (i): In the above formula, X is a divalent group or a tetravalent group represented by the following formula (i-4). When X is divalent, q is 0 and when X is tetravalent, q is 1. Arto Arare each independently an aromatic group. They may be substituted by an alkyl group having 1 to 6 carbon atoms or phenyl group.