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Extract from the Register of European Patents

EP About this file: EP4371972

EP4371972 - PREPARATION METHOD OF VINYL ACETATE BY ETHYLENE PROCESS AND DEVICE THEREOF [Right-click to bookmark this link]
StatusRequest for examination was made
Status updated on  19.04.2024
Database last updated on 02.08.2024
Most recent event   Tooltip19.04.2024Publication in section I.1 EP Bulletinpublished on 22.05.2024  [2024/21]
19.04.2024Request for examination filedpublished on 22.05.2024  [2024/21]
Applicant(s)For all designated states
Tianjin University
No.135 Yaguan Road
Haihe Education Park
Jinnan District
Tianjin 300350 / CN
[2024/21]
Inventor(s)01 / ZHANG, Minhua
JINNAN DISTRICT - TIANJIN, 300350 / CN
02 / GONG, Hao
JINNAN DISTRICT - TIANJIN, 300350 / CN
03 / DONG, He
JINNAN DISTRICT - TIANJIN, 300350 / CN
04 / GENG, Zhongfeng
JINNAN DISTRICT - TIANJIN, 300350 / CN
05 / YU, Yingzhe
JINNAN DISTRICT - TIANJIN, 300350 / CN
 [2024/21]
Representative(s)Cabinet Beau de Loménie
158, rue de l'Université
75340 Paris Cedex 07 / FR
[2024/21]
Application number, filing date23194327.530.08.2023
[2024/21]
Priority number, dateCN20221143593016.11.2022         Original published format: CN202211435930
[2024/21]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4371972
Date:22.05.2024
Language:EN
[2024/21]
Search report(s)(Supplementary) European search report - dispatched on:EP06.03.2024
ClassificationIPC:C07C67/04, C07C67/54, C07C69/14, C07C7/12, C07C11/04
[2024/21]
CPC:
C07C67/04 (EP); C07C67/05 (US); B01D53/22 (US);
B01J19/0013 (US); C07C67/54 (EP); C07C7/12 (EP);
B01D2311/25 (US); Y02P20/10 (EP) (-)
C-Set:
C07C67/04, C07C69/14 (EP);
C07C67/54, C07C69/14 (EP);
C07C7/12, C07C11/04 (EP)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2024/21]
Extension statesBANot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON VINYLACETAT DURCH EIN ETHYLENVERFAHREN UND VORRICHTUNG DAFÜR[2024/21]
English:PREPARATION METHOD OF VINYL ACETATE BY ETHYLENE PROCESS AND DEVICE THEREOF[2024/21]
French:PROCÉDÉ DE PRÉPARATION D'ACÉTATE DE VINYLE PAR UN PROCÉDÉ D'ÉTHYLÈNE ET DISPOSITIF ASSOCIÉ[2024/21]
Examination procedure30.08.2023Examination requested  [2024/21]
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Documents cited:Search[IY]US6118021  (GOTTSCHLICH DOUGLAS [US], et al);
 [IY]CN105964008  (SINOPEC CHANGCHENG ENERGY CHEMICAL (NINGXIA) CO LTD);
 [Y]WO2022083396  (UNIV TIANJIN [CN])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.