Invention Grant
- Patent Title: Fluorescent agent having ethynyl group
- Patent Title (中): 具有乙炔基的荧光剂
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Application No.: US12864313Application Date: 2009-01-19
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Publication No.: US08168796B2Publication Date: 2012-05-01
- Inventor: Kazuhiko Mizuno , Hideyuki Takagaki , Hirokazu Iwahashi , Kaname Inoue
- Applicant: Kazuhiko Mizuno , Hideyuki Takagaki , Hirokazu Iwahashi , Kaname Inoue
- Applicant Address: JP Wakayama
- Assignee: Nippon Chemical Works Co., Ltd.
- Current Assignee: Nippon Chemical Works Co., Ltd.
- Current Assignee Address: JP Wakayama
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2008-014591 20080125
- International Application: PCT/JP2009/050631 WO 20090119
- International Announcement: WO2009/093537 WO 20090730
- Main IPC: C07D231/06
- IPC: C07D231/06 ; C07D311/82
Abstract:
There are provided novel fluorescent agents, such as pyrazoline compounds represented by formula (I): (wherein R1, R2 and R3 are as defined in the specification), having an ethynyl group in the molecule, which have high absorptivity in the ultraviolet-visible short wavelength range (for example, 350 nm-420 nm).
Public/Granted literature
- US20100298573A1 FLUORESCENT AGENT HAVING ETHYNYL GROUP Public/Granted day:2010-11-25
Information query
