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Extract from the Register of European Patents

EP About this file: EP3957675

EP3957675 - METHOD FOR PREPARING ENVIRONMENTALLY FRIENDLY POLYAMIDE RESIN [Right-click to bookmark this link]
StatusExamination is in progress
Status updated on  14.03.2024
Database last updated on 12.07.2024
FormerRequest for examination was made
Status updated on  21.01.2022
FormerThe international publication has been made
Status updated on  27.11.2020
Most recent event   Tooltip08.07.2024New entry: Reply to examination report 
Applicant(s)For all designated states
Chengdu 401 Technology Co., Ltd.
No. 522, Floor 5, Building 1
No. 1388, Middle Section of Tainfu Avenue
High Tech Zone
Chengdu, Sichuan 610000 / CN
[2022/15]
Former [2022/08]For all designated states
Chengdu 401 Technology Co., Ltd.
No. 522, Floor 5, Building 1
No. 1388, Middle Section of Tainfu Avenue
High Tech Zone
Chengdu, Scihuan 610000 / CN
Inventor(s)01 / LI, Yang
First Floor
No. 1
Lane 230
Dong'an Road, Xuhui District
Shanghai 200000 / CN
 [2022/08]
Representative(s)Engelhard, Markus
Boehmert & Boehmert
Anwaltspartnerschaft mbB
Pettenkoferstrasse 22
80336 München / DE
[2022/08]
Application number, filing date20809926.714.05.2020
[2022/08]
WO2020CN90262
Priority number, dateCN20191041058117.05.2019         Original published format: CN201910410581
[2022/08]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020233497
Date:26.11.2020
Language:ZH
[2020/48]
Type: A1 Application with search report 
No.:EP3957675
Date:23.02.2022
Language:EN
[2022/08]
Search report(s)International search report - published on:CN26.11.2020
(Supplementary) European search report - dispatched on:EP28.11.2022
ClassificationIPC:C08G69/28, C08L77/00, C08G69/26
[2022/52]
CPC:
C08G69/28 (EP,CN,KR,US); C08G69/265 (EP); C08G69/40 (KR,US);
C08G69/44 (CN,KR,US)
Former IPC [2022/08]C08G69/28, C08L77/00
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 [2022/08]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON UMWELTFREUNDLICHEM POLYAMIDHARZ[2022/08]
English:METHOD FOR PREPARING ENVIRONMENTALLY FRIENDLY POLYAMIDE RESIN[2022/08]
French:PROCÉDÉ DE PRÉPARATION DE RÉSINE DE POLYAMIDE RESPECTUEUSE DE L'ENVIRONNEMENT[2022/08]
Entry into regional phase16.11.2021Translation filed 
16.11.2021National basic fee paid 
16.11.2021Search fee paid 
16.11.2021Designation fee(s) paid 
16.11.2021Examination fee paid 
Examination procedure16.11.2021Examination requested  [2022/08]
07.06.2023Amendment by applicant (claims and/or description)
13.03.2024Despatch of a communication from the examining division (Time limit: M04)
05.07.2024Reply to a communication from the examining division
Fees paidRenewal fee
10.12.2021Renewal fee patent year 03
12.05.2023Renewal fee patent year 04
15.03.2024Renewal fee patent year 05
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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.
Documents cited:Search[XA]WO2018088497  (KANEKA CORP [JP]) [X] 1,3-5,8,9,11 * page 7 - page 8; example 1 *[A] 2,6,7,10
International search[X]EP0041371  (UNITIKA LTD) [X] 1, 7-11 * see description, embodiments *;
 [A]CN101284906  (MITSUBISHI GAS CHEMICAL CO [JP]) [A] 1-11 * see entire document *;
 [A]SG180968  (MITSUBISHI GAS CHEMICAL COMPANY, INC.) [A] 1-11* see entire document *;
 [A]CN105829398  (MITSUBISHI GAS CHEMICAL CO) [A] 1-11 * see entire document *;
 [A]JP2017519082  (DSM INTELLECTUAL PROPERTY ASSETS MANAGE) [A] 1-11 * see entire document *;
 [A]KR101813395B  (LOTTE CHEMICAL CORP [KR]) [A] 1-11 * see entire document *;
 [A]CN108047444  (TECHNICAL INST PHYSICS & CHEMISTRY CAS) [A] 1-11 * see entire document *;
 [A]CN109354863  (EPONE NYLON SCI & TECH CO LTD) [A] 1-11 * see entire document *;
 [A]CA3075401  (DUPONT POLYMERS INC [US]) [A] 1-11 * see entire document *
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.