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:
Jul. 20, 2021
Filed:
Sep. 27, 2018
Kobelco Eco-solutions Co., Ltd., Hyogo, JP;
National University Corporation Okayama University, Okayama, JP;
Yoshiaki Murakami, Hyogo, JP;
Miyuki Fukushima, Hyogo, JP;
Kazuhiko Takai, Okayama, JP;
Sobi Asako, Okayama, JP;
Kobelco Eco-Solutions Co., Ltd., Hyogo, JP;
Abstract
Provided are an electron donor that is easy to handle and can be used to carry out a coupling reaction economically and efficiently through simple operations under mild conditions in a short period of time, and a method for synthesizing 4,4'-bipyridine using the electron donor. The electron donor includes a mixture of a dispersion product obtained by dispersing sodium in a dispersion solvent and 1,3-dimethyl-2-imidazolidinone, and this electron donor is used in the method for synthesizing 4,4′-bipyridine.