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Extract from the Register of European Patents

EP About this file: EP4023332

EP4023332 - CATALYST FOR PREPARING PROPYLENE BY PROPANE DEHYDROGENATION, PREPARATION METHOD THEREFOR, AND USE THEREOF [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.08.2024
Database last updated on 26.04.2025
FormerThe patent has been granted
Status updated on  08.09.2023
FormerGrant of patent is intended
Status updated on  13.06.2023
FormerRequest for examination was made
Status updated on  03.06.2022
FormerThe international publication has been made
Status updated on  07.07.2021
Most recent event   Tooltip25.04.2025Lapse of the patent in a contracting state
New state(s): MC		published on 28.05.2025 [2025/22]
Applicant(s)For all designated states
Rezel Catalysts Co., Ltd.
Xufu Road 998, Room 505, Daishan
Zhoushan, Zhejiang 316200 / CN
[2022/27]
Inventor(s)01 / ZHUO, Runsheng
Group 3, Miaoer Village, Jinsu Town
Wutongqiao District Leshan, Sichuan 614000 / CN
02 / ZHANG, Chen
ZHUO, Runsheng Group 3, Miaoer Village, Jinsu
Town
Wutongqiao District Leshan, Sichuan 614000 / CN
03 / ZHANG, Ping
ZHUO, Runsheng Group 3, Miaoer Village, Jinsu
Town
Wutongqiao District Leshan, Sichuan 614000 / CN
04 / YANG, Guangyou
ZHUO, Runsheng Group 3, Miaoer Village, Jinsu
Town
Wutongqiao District Leshan, Sichuan 614000 / CN
05 / LIU, Xinsheng
ZHUO, Runsheng Group 3, Miaoer Village, Jinsu
Town
Wutongqiao District Leshan, Sichuan 614000 / CN
 [2022/27]
Representative(s)Bayramoglu et al.
Mira Office
Kanuni Sultan Süleyman Boulevard 5387
Street Beytepe, floor 12, no:50
06800 Cankaya, Ankara / TR
[2022/27]
Application number, filing date20905470.912.08.2020
[2022/27]
WO2020CN108566
Priority number, dateCN20191137019526.12.2019         Original published format: CN201911370195
[2022/27]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2021128867
Date:01.07.2021
Language:ZH
[2021/26]
Type: A1 Application with search report 
No.:EP4023332
Date:06.07.2022
Language:EN
[2022/27]
Type: B1 Patent specification 
No.:EP4023332
Date:11.10.2023
Language:EN
[2023/41]
Search report(s)International search report - published on:CN01.07.2021
(Supplementary) European search report - dispatched on:EP12.10.2022
ClassificationIPC:B01J23/63, C07C5/333, C07C11/06, B01J37/02
[2022/45]
CPC:
B01J23/63 (EP,CN,US); B01J21/04 (EP,US); B01J35/50 (US);
B01J37/0205 (US); B01J37/0236 (US); B01J37/0238 (EP);
B01J37/024 (US); B01J37/0242 (EP); B01J37/088 (US);
C07C5/3337 (EP,CN,US); B01J35/51 (EP); C07C2523/63 (CN,US);
Y02P20/52 (EP) (-)
C-Set:
C07C5/3337, C07C11/06 (CN,EP)
Former IPC [2022/27]B01J23/63, C07C5/333, C07C11/06
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,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2022/27]  
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:KATALYSATOR ZUR HERSTELLUNG VON PROPYLEN DURCH PROPANDEHYDRIERUNG, VERFAHREN ZU SEINER HERSTELLUNG UND SEINE VERWENDUNG[2022/27]
English:CATALYST FOR PREPARING PROPYLENE BY PROPANE DEHYDROGENATION, PREPARATION METHOD THEREFOR, AND USE THEREOF[2022/27]
French:CATALYSEUR DE PRÉPARATION DE PROPYLÈNE PAR DÉSHYDROGÉNATION DE PROPANE, PROCÉDÉ DE PRÉPARATION ET UTILISATION ASSOCIÉS[2022/27]
Entry into regional phase29.03.2022Translation filed 
29.03.2022National basic fee paid 
29.03.2022Search fee paid 
29.03.2022Designation fee(s) paid 
29.03.2022Examination fee paid 
Examination procedure29.03.2022Examination requested  [2022/27]
17.04.2023Amendment by applicant (claims and/or description)
17.04.2023Date on which the examining division has become responsible
14.06.2023Communication of intention to grant the patent
31.08.2023Fee for grant paid
31.08.2023Fee for publishing/printing paid
31.08.2023Receipt of the translation of the claim(s)
Opposition(s)12.07.2024No opposition filed within time limit [2024/38]
Fees paidRenewal fee
26.07.2022Renewal fee patent year 03
17.07.2023Renewal fee patent year 04
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipCZ11.10.2023
ES11.10.2023
HR11.10.2023
MC11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SK11.10.2023
SM11.10.2023
NO11.01.2024
GR12.01.2024
IS11.02.2024
[2025/22]
Former [2024/36]CZ11.10.2023
ES11.10.2023
HR11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SK11.10.2023
SM11.10.2023
NO11.01.2024
GR12.01.2024
IS11.02.2024
Former [2024/35]CZ11.10.2023
ES11.10.2023
HR11.10.2023
PL11.10.2023
RO11.10.2023
RS11.10.2023
SM11.10.2023
NO11.01.2024
GR12.01.2024
IS11.02.2024
Former [2024/33]ES11.10.2023
HR11.10.2023
PL11.10.2023
RS11.10.2023
SM11.10.2023
NO11.01.2024
GR12.01.2024
IS11.02.2024
Former [2024/27]ES11.10.2023
HR11.10.2023
PL11.10.2023
RS11.10.2023
NO11.01.2024
GR12.01.2024
IS11.02.2024
Former [2024/20]GR12.01.2024
IS11.02.2024
Documents cited:Search[Y]WO2007033934  (BASF AG [DE]);
 [XY]CN104072325  (NANJING WOLAIDE ENERGY SCIENCE & TECHNOLOGY CO LTD)
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.