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Legal status
Patent not validated
| (51) | INT.CL. | C07D 307/93 | |
| C07D 311/94 | |||
| C07C 405/00 |
| (11) | Number of the document | 1981867 |
| (13) | Kind of document | T |
| (96) | European patent application number | 07714040.8 |
| Date of filing the European patent application | 2007-02-06 | |
| (97) | Date of publication of the European application | 2008-10-22 |
| (45) | Date of publication and mention of the grant of the patent | 2017-06-14 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/JP2007/052432 |
| Date | 2007-02-06 |
| (87) | Number | WO 2007/091697 |
| Date | 2007-08-16 |
| (30) | Number | Date | Country code |
| 765728 P | 2006-02-07 | US |
| (72) |
HIRATA, Ryu, JP
MATSUKAWA, Tatsuya, JP
MASUZAKI, Kazuhiro, JP
UENO, Ryuji, US
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| (73) |
Sucampo AG,
Baarerstrasse 22, 6300 Zug,
CH
Sucampo Pharma, LLC, 1-7, Uchisaiwai-cho 1-chome Chiyoda-ku, Tokyo 100-0011, JP |
| (54) | METHOD FOR PREPARING PROSTAGLANDIN DERIVATIVE |
| METHOD FOR PREPARING PROSTAGLANDIN DERIVATIVE |