EP1136470 - Bibliographic data
PROCESS FOR THE PREPARATION OF A PIPERAZINE DERIVATIVE
| Last update | 12/06/2025 |
|---|---|
| Legal status | Brevet déchu |
| Origin | Euro-PCT |
| (73) Holder |
SUMITOMO CHEMICAL COMPANY, LIMITED 27-1, Shinkawa 2-chome, Chuo-ku
Tokyo 104-8260
Japon
|
|---|---|
| (72) Inventors |
MAEDA, Chiharu, Sumika Fine Chemicals Co., Ltd. 1-21, Utajima 3-chome, Nishiyodogawa-ku
Osaka-shi, Osaka 555-002
Japon
IISHI, Eiichi, Sumika Fine Chemicals Co., Ltd. 1-21, Utajima 3-chome, Nishiyodogawa-ku
Osaka-shi, Osaka 555-0021
Japon
WANG, Weiqi, Sumika Fine Chemicals Co., Ltd. 1-21, Utajima 3-chome, Nishiyodogawa-ku
Osaka-shi, Osaka 555-0021
Japon
IMAMIYA, Yoshiyuki, Sumika Fine Chemicals Co. Ltd. 1-21, Utajima 3-chome, Nishiyodogawa-ku
Osaka-shi, Osaka 555
Japon
|
| (74) Agent |
Mail recipient HOFFMANN EITLE Patent- und Rechtsanwälte Arabellastrasse 4
81925
MUNCHEN
Allemagne
|
| (21) Request number | EP00962874.4 |
|---|---|
| (22) Request date | 27/09/2000 |
| (11) Publication number | EP1136470 |
|---|---|
| Publication date | 22/08/2007 |
| (54) Title of the invention | PROCESS FOR THE PREPARATION OF A PIPERAZINE DERIVATIVE |
|---|---|
| (51) International classification | A61K 31/517, C07C 209/74, C07D 241/04, C07D 401/04, C07D 213/85 |
| International classification (before reform) | None |
| Claimed priority |
(31) Number: 28037899
(31) Number: PCT/JP00/05432 |
|---|---|
| Initial application | None |
| Divisional application | None |
| Expected annuity |
Annuity: 8 -
Amount: 105 € -
Due date 22/10/2007
Surtax: 8 - Amount: 21 € - Due date 23/04/2008 |
|---|---|
| Last annuity | None |
| Publication | BREVETS D'INVENTION DESIGNANT MC DELIVRES PAR l'OEB - bulletin 2007/3, of 30/09/2007 |
|---|---|
| History | Publication de la délivrance du brevet européen - Legal date 22/08/2007 Déchéance du brevet d'invention après période de grâce - Legal date 30/09/2007 Entrée en période de grâce du brevet d'invention - Legal date 22/10/2007 |