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. 11, 2011
Filed:
Sep. 22, 2009
Applicants:
Hideki Moriyama, Otsu, JP;
Akimitsu Tsukuda, Otsu, JP;
Inventors:
Hideki Moriyama, Otsu, JP;
Akimitsu Tsukuda, Otsu, JP;
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 283/00 (2006.01); C08G 73/02 (2006.01); C08F 283/04 (2006.01); C08G 69/48 (2006.01); C08L 77/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compound having an oxadiazole structure which is obtained by dehydration-cyclization of a compound having a carbohydrazide structure using a chemical agent selected from acids and bases. The dehydration-cyclization of the compound having a carbohydrazide structure can be conducted under mild conditions at low cost.