P2X4 receptor antagonist
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Dec 12, 2017
Grant Date -
Aug 25, 2016
app pub date -
Jul 11, 2014
filing date -
Jul 12, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a compound represented by the following general formula (II), wherein, in the formula, R1a to R6a represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and the like, Xa represents C or N, Ya represents N or C(═O), provided that when Xa is C, Ya represents N, and when Xa is N, Ya represents C(═O), the double line consisting of the solid line and the broken line represents a single bond or double bond, Aa represents benzene ring, pyridine ring, and the like, Da represents tetrazole ring, imidazole ring, and the like, Ea represents —(CR9aR10a)p-Ta-, and Ga represents benzene ring, pyridine ring, and the like, which has a P2X4 receptor antagonistic activity.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
KYUSHU UNIVERSITY | 6-10-1 HAKOZAKI HIGASHI-KU FUKUOKA-SHI FUKUOKA 8128581 | |
NIPPON CHEMIPHAR CO LTD | TOKYO 101-0032 |
International Classification(s)

- 2014 Application Filing Year
- C07D Class
- 5203 Applications Filed
- 4627 Patents Issued To-Date
- 88.93 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Imai, Toshiyasu | Tokyo, JP | 26 | 127 |
# of filed Patents : 26 Total Citations : 127 | |||
Inoue, Kazuhide | Tokyo, JP | 37 | 152 |
# of filed Patents : 37 Total Citations : 152 | |||
Kobayashi, Kunio | Saitama, JP | 54 | 505 |
# of filed Patents : 54 Total Citations : 505 | |||
Saito, Daisuke | Tokyo, JP | 170 | 1119 |
# of filed Patents : 170 Total Citations : 1119 | |||
Sakuma, Shogo | Saitama, JP | 34 | 221 |
# of filed Patents : 34 Total Citations : 221 | |||
Ushioda, Masatoshi | Tokyo, JP | 17 | 123 |
# of filed Patents : 17 Total Citations : 123 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- C07D Class
- 46.30 % this patent is cited more than
- 7 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
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Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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