EP3499227 - Bibliographic data

PROCÉDÉ DE COMMANDE D'IMPURETÉS POUR HYDROCHLORURE DE CLINDAMYCINE

Last update 05/06/2025
Legal status Brevet déchu
Origin Européen
(73) Holder

Zhaoke (Guangzhou) Ophthalmology Pharmaceutical Ltd.

Room 501, 5th Floor, No. 1, Meide 3rd Road, Pearl River Industrial Park, Nansha District
Guangzhou, Guangdong Province
Chine
(72) Inventors

Dongsheng Ni

No. 30, Tianzhi Road New and High-Tech Industrial Development Zone
Hefei City, Anhui 230088
Chine

Jing Liu

No. 30, Tianzhi Road New and High-Tech Industrial Development Zone
Hefei City, Anhui 230088
Chine

Gang Li

No. 30, Tianzhi Road New and High-Tech Industrial Development Zone
Hefei City, Anhui 230088
Chine

Xiangrong Dai

No. 30, Tianzhi Road New and High-Tech Industrial Development Zone
Hefei City, Anhui 230088
Chine

Xiaoyi Li

1/F, Building 20E, Phase 3 Hong Kong Science Park
Shatin, 999077
Région administrative spéciale de Hong Kong (République populaire de Chine)
(74) Agent

Mail recipient

Isern Patentes y Marcas S.L.

Avda. Diagonal, 463 Bis, 2°
08036 Barcelona
Espagne
(21) Request number EP18212216.8
(22) Request date 13/12/2018
(11) Publication number EP3499227
Publication date 07/04/2021
(54) Title of the invention PROCÉDÉ DE COMMANDE D'IMPURETÉS POUR HYDROCHLORURE DE CLINDAMYCINE
(51) International classification G01N 30/88
International classification (before reform) None
Claimed priority

(31) Number: 201711336457
(32) Date: 14/12/2017
(33) Country: CN

Initial application None
Divisional application None
Expected annuity Annuity: 4 - Amount: 55 € - Due date 31/12/2021
Surtax: 4 - Amount: 11 € - Due date 01/07/2022
Last annuity None
Publication None
History

Publication de la délivrance du brevet européen - Legal date 07/04/2021

Modification des titulaires du brevet européen - Legal date 15/10/2021

Entrée en période de grâce du brevet d'invention - Legal date 01/01/2022

Déchéance du brevet d'invention après période de grâce - Legal date 31/12/2021