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Extract from the Register of European Patents

EP About this file: EP3851216

EP3851216 - METHOD FOR PRODUCING ULTRA-THIN HOT-ROLLED STRIP STEEL [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  31.05.2024
Database last updated on 02.09.2024
FormerThe patent has been granted
Status updated on  23.06.2023
FormerGrant of patent is intended
Status updated on  08.02.2023
FormerExamination is in progress
Status updated on  19.08.2022
FormerRequest for examination was made
Status updated on  18.06.2021
FormerThe international publication has been made
Status updated on  21.03.2020
Most recent event   Tooltip02.08.2024Lapse of the patent in a contracting state
New state(s): BE, SI		published on 04.09.2024 [2024/36]
Applicant(s)For all designated states
BAOSHAN IRON & STEEL CO., LTD.
No. 885 Fujin Road
Baoshan District
Shanghai 201900 / CN
[2021/29]
Inventor(s)01 / FANG, Yuan
No. 885 Fujin Road
Baoshan District
Shanghai 201900 / CN
02 / WU, Jianchun
No. 885 Fujin Road
Baoshan District
Shanghai 201900 / CN
03 / ZHANG, Jian
No. 885 Fujin Road
Baoshan District
Shanghai 201900 / CN
 [2023/30]
Former [2021/29]01 / FANG, Yuan
No. 885, Fujin Road Baoshan District
Shanghai 201900 / CN
02 / WU, Jianchun
No. 885, Fujin Road Baoshan District
Shanghai 201900 / CN
03 / ZHANG, Jian
No. 885, Fujin Road Baoshan District
Shanghai 201900 / CN
Representative(s)Kuhnen & Wacker Patent- und Rechtsanwaltsbüro PartG mbB
Prinz-Ludwig-Straße 40A
85354 Freising / DE
[2021/29]
Application number, filing date19859829.412.09.2019
[2021/29]
WO2019CN105572
Priority number, dateCN2018117599714.09.2018         Original published format: CN201811075997
[2021/29]
Filing languageZH
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2020052625
Date:19.03.2020
Language:ZH
[2020/12]
Type: A1 Application with search report 
No.:EP3851216
Date:21.07.2021
Language:EN
[2021/29]
Type: B1 Patent specification 
No.:EP3851216
Date:26.07.2023
Language:EN
[2023/30]
Search report(s)International search report - published on:CN19.03.2020
(Supplementary) European search report - dispatched on:EP28.05.2021
ClassificationIPC:B22D1/00, B22D11/06, B22D11/103, B22D11/116, B22D11/12, B22D11/124, B22D11/14, B22D11/18, B22D11/20, B22D41/13, C21D8/02, C21D1/667, C21D9/46, // B21B1/46, B21B37/76
[2023/08]
CPC:
B22D11/0622 (EP,CN,US); C21D9/52 (US); B21B1/22 (US);
B21B1/463 (EP,CN); B22D1/00 (EP); B22D11/103 (EP);
B22D11/116 (EP,CN,US); B22D11/12 (CN); B22D11/1206 (EP);
B22D11/124 (EP); B22D11/1246 (US); B22D11/14 (EP);
B22D11/144 (EP); B22D11/18 (EP); B22D11/20 (EP);
B22D41/13 (EP); C21D1/667 (EP,US); C21D8/0205 (US);
C21D8/0215 (EP); C21D8/0226 (EP,US); C21D8/0263 (EP);
C21D9/46 (EP); B21B2001/225 (US); B21B37/76 (EP);
Y02P10/20 (EP) (-)
Former IPC [2021/29]B21B1/46, B21B37/76, C21D8/02, C21D11/00, B22D1/00, B22D11/06, B22D11/103, B22D11/116, B22D11/12, B22D11/124, B22D11/14, B22D11/18, B22D11/20, B22D41/13
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 [2021/29]
Extension statesBANot yet paid
MENot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON ULTRADÜNNEM WARMGEWALZTEM BANDSTAHL[2021/29]
English:METHOD FOR PRODUCING ULTRA-THIN HOT-ROLLED STRIP STEEL[2021/29]
French:PROCÉDÉ DE PRODUCTION D'UN FEUILLARD D'ACIER LAMINÉ À CHAUD ULTRA-MINCE[2021/29]
Entry into regional phase24.02.2021Translation filed 
24.02.2021National basic fee paid 
24.02.2021Search fee paid 
24.02.2021Designation fee(s) paid 
24.02.2021Examination fee paid 
Examination procedure24.02.2021Examination requested  [2021/29]
22.12.2021Amendment by applicant (claims and/or description)
18.08.2022Despatch of a communication from the examining division (Time limit: M04)
27.12.2022Reply to a communication from the examining division
09.02.2023Communication of intention to grant the patent
19.06.2023Fee for grant paid
19.06.2023Fee for publishing/printing paid
19.06.2023Receipt of the translation of the claim(s)
Opposition(s)29.04.2024No opposition filed within time limit [2024/27]
Fees paidRenewal fee
13.09.2021Renewal fee patent year 03
08.09.2022Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
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  TooltipAT26.07.2023
CZ26.07.2023
DK26.07.2023
EE26.07.2023
ES26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
MC26.07.2023
NL26.07.2023
PL26.07.2023
RO26.07.2023
RS26.07.2023
SE26.07.2023
SI26.07.2023
SK26.07.2023
SM26.07.2023
IE12.09.2023
LU12.09.2023
FR26.09.2023
BE30.09.2023
CH30.09.2023
GB26.10.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
[2024/36]
Former [2024/34]AT26.07.2023
CZ26.07.2023
DK26.07.2023
EE26.07.2023
ES26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
MC26.07.2023
NL26.07.2023
PL26.07.2023
RO26.07.2023
RS26.07.2023
SE26.07.2023
SK26.07.2023
SM26.07.2023
IE12.09.2023
LU12.09.2023
FR26.09.2023
CH30.09.2023
GB26.10.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/33]AT26.07.2023
CZ26.07.2023
DK26.07.2023
EE26.07.2023
ES26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
MC26.07.2023
NL26.07.2023
PL26.07.2023
RO26.07.2023
RS26.07.2023
SE26.07.2023
SK26.07.2023
SM26.07.2023
IE12.09.2023
LU12.09.2023
GB26.10.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/28]AT26.07.2023
CZ26.07.2023
DK26.07.2023
EE26.07.2023
ES26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
MC26.07.2023
NL26.07.2023
PL26.07.2023
RO26.07.2023
RS26.07.2023
SE26.07.2023
SK26.07.2023
SM26.07.2023
LU12.09.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/25]AT26.07.2023
CZ26.07.2023
DK26.07.2023
EE26.07.2023
ES26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
NL26.07.2023
PL26.07.2023
RO26.07.2023
RS26.07.2023
SE26.07.2023
SK26.07.2023
SM26.07.2023
LU12.09.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/23]AT26.07.2023
CZ26.07.2023
DK26.07.2023
EE26.07.2023
ES26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
NL26.07.2023
PL26.07.2023
RO26.07.2023
RS26.07.2023
SE26.07.2023
SK26.07.2023
SM26.07.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/22]AT26.07.2023
CZ26.07.2023
DK26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
NL26.07.2023
PL26.07.2023
RO26.07.2023
RS26.07.2023
SE26.07.2023
SM26.07.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/20]AT26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
NL26.07.2023
PL26.07.2023
RS26.07.2023
SE26.07.2023
SM26.07.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/10]AT26.07.2023
FI26.07.2023
HR26.07.2023
LT26.07.2023
LV26.07.2023
NL26.07.2023
PL26.07.2023
RS26.07.2023
SE26.07.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
PT27.11.2023
Former [2024/09]AT26.07.2023
FI26.07.2023
LT26.07.2023
NL26.07.2023
SE26.07.2023
NO26.10.2023
GR27.10.2023
IS26.11.2023
Former [2024/08]LT26.07.2023
NL26.07.2023
NO26.10.2023
GR27.10.2023
Former [2024/05]NL26.07.2023
Documents cited:Search[I]CN103667895  (BAOSHAN IRON & STEEL) [I] 1-7 * paragraphs [0045] , [0046] , [0083]; figure 1; claims 1,4; table 1 *;
 [I]CN107186185  (JIUQUAN IRON & STEEL (GROUP) CO LTD) [I] 1-7 * paragraphs [0011] , [0014]; figure 1; claim 1 ** embodiment 1 *;
 [I]CN107201478  (UNIV NORTHEASTERN) [I] 1-7 * paragraphs [0011] , [0012] , [0027] , [0033] , [0050]; figure 1; claim 1 *
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.