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:
Aug. 23, 2022
Filed:
Apr. 03, 2019
Applicant:
Glaceum Inc., Gyeonggi-do, KR;
Inventors:
Sang Ku Yoo, Gyeonggi-do, KR;
Jin Wook Chung, Seoul, KR;
In Geun Jo, Chungcheongnam-do, KR;
Ji Young Kim, Seoul, KR;
Jeong Ho Im, Gyeonggi-do, KR;
Ku Suk Kang, Gyeonggi-do, KR;
Jin Young Kim, Gyeonggi-do, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 493/04 (2006.01);
U.S. Cl.
CPC ...
C07D 493/04 (2013.01);
Abstract
The present invention relates to a method for synthesizing a 3-phenyl-2,8-dihydropyrano[2,3-f]chromene derivative, which may be usefully used for synthesizing a pyranochromenyl phenol derivative, and when the derivative is used, the 3-phenyl-2,3,4,8,9,10-hexahydropyrano[2,3-f]chromene derivative may be effectively prepared.