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:
Sep. 29, 2020
Filed:
Sep. 05, 2012
Seong Keun Kim, Seoul, KR;
Seung Bum Park, Seoul, KR;
IL Seung Yang, Ii, Seoul, KR;
Eun Ha Kim, Seoul, KR;
Jun Hee Kang, Seoul, KR;
Seong Keun Kim, Seoul, KR;
Seung Bum Park, Seoul, KR;
Il Seung Yang, II, Seoul, KR;
Eun Ha Kim, Seoul, KR;
Jun Hee Kang, Seoul, KR;
SNU R&DB FOUNDATION, Seoul, KR;
Abstract
The present invention provides a fluorescent resveratrone [(E)-4-(6,8-dihydroxynaphthalen-2-yl)but-3-en-2-one] and its derivatives having Formula 1 and a method for preparing the same by a photochemical reaction of resveratrol and its derivatives which are not fluorescent having Formula 7 or Formula 8. The new fluorescent compounds of the present invention has single-photon absorptive characteristics and/or two-photon absorptive characteristics as well as no or little toxicity according to a cytotoxicity test and can be usefully utilized in the field of organic fluorescent element, display element, spectrometer, two-photon absorptive storing device, laser micro processing apparatus, photo dynamic therapy apparatus and the like.