EP1136470 - Bibliographic data

PROCESS FOR THE PREPARATION OF A PIPERAZINE DERIVATIVE

Last update 11/06/2025
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 31/517C07C 209/74C07D 241/04C07D 401/04C07D 213/85
International classification (before reform) None

Claimed priority

(31) Number: 28037899
(32) Date: 30/09/1999
(33) Country: JP


(31) Number: PCT/JP00/05432
(32) Date: 14/08/2000
(33) Country: WO

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