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. 30, 2004
Filed:
Mar. 06, 2003
Applicant:
Inventors:
Jin Rai Cho, Daejeon, KR;
Soo Gyeong Cho, Daejeon, KR;
Eun Mee Goh, Daejeon, KR;
Jae Kyung Kim, Seoul, KR;
Assignee:
Agency for Defense Development, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
Disclosed is a preparation method of 2,2′-bi-1H-imidazole using glyoxal and an ammonium salt as starting materials through a safe, simple and easily controlled synthetic process with a high yield.