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. 13, 2013
Filed:
Feb. 15, 2008
Tetsuo Nagano, Tokyo, JP;
Hirotatsu Kojima, Tokyo, JP;
Kazuki Kiyose, Tokyo, JP;
The University of Tokyo, Tokyo, JP;
Abstract
A compound represented by the following general formula (I): [wherein Rand Rrepresent a Calkyl group; R, Rand Rrepresent hydrogen atom, a Calkyl group, or an aryl group; Yand Yrepresent —O—, —S—, —Se—, —CH═CH—, —C(R)(R)—, or —N(R)— (wherein R, Rand Rrepresent hydrogen atom or a Calkyl group); A represents a Calkylene group; n and n' represent 0, 1 or 2; Zand Zrepresent a nonmetallic atom group required to form a benzo-condensed ring or a naphtho-condensed ring; Lto Lrepresent a methine group; and Mrepresents a counter ion in a number required for neutralizing electrical charge], which is useful as a fluorescent probe of which optical characteristics change depending on pH change.