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Extract from the Register of European Patents

EP About this file: EP2303437

EP2303437 - METHOD OF FORMING AN ASYMMETRIC MEMBRANE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  16.04.2021
Database last updated on 09.04.2026
FormerThe patent has been granted
Status updated on  08.05.2020
FormerGrant of patent is intended
Status updated on  01.05.2020
FormerExamination is in progress
Status updated on  24.04.2020
FormerGrant of patent is intended
Status updated on  08.01.2020
FormerExamination is in progress
Status updated on  17.11.2017
Most recent event   Tooltip19.12.2025Lapse of the patent in a contracting state
New state(s): TR		published on 21.01.2026  [2026/04]
Applicant(s)For all designated states
3M Innovative Properties Company
3M Center
P.O. Box 33427
St. Paul, MN 55133-3427 / US
[N/P]
Former [2020/24]For all designated states
3M Innovative Properties Company
3M Center
P.O.Box 33427
St. Paul, MN 55133-3427 / US
Former [2011/14]For all designated states
3M Innovative Properties Company
3M Center Post Office Box 33427
Saint Paul, MN 55133-3427 / US
Inventor(s)01 / ZHOU, Jinsheng
3m Center
Post Office Box 33427
Saint Paul, MN 55133-3427 / US
02 / HESTER, Jonathan, F.
3m Center
Post Office Box 33427
Saint Paul, MN 55133-3427 / US
03 / DEHN, Derek, J.
3m Center
Post Office Box 33427
Saint Paul, MN 55133-3427 / US
04 / MEEHAN, Daniel, R.
3m Center
Post Office Box 33427
Saint Paul, MN 55133-3427 / US
05 / WRIGHT, Robin, E.
3m Center
Post Office Box 33427
Saint Paul, MN 55133-3427 / US
 [2020/24]
Former [2011/14]01 / ZHOU, Jinsheng
3m Center Post Office Box 33427
Saint Paul, MN 55133-3427 / US
02 / HESTER, Jonathan, F.
3m Center Post Office Box 33427
Saint Paul, MN 55133-3427 / US
03 / DEHN, Derek, J.
3m Center Post Office Box 33427
Saint Paul, MN 55133-3427 / US
04 / MEEHAN, Daniel, R.
3m Center Post Office Box 33427
Saint Paul, MN 55133-3427 / US
05 / WRIGHT, Robin, E.
3m Center Post Office Box 33427
Saint Paul, MN 55133-3427 / US
Representative(s)Vossius & Partner Patentanwälte Rechtsanwälte mbB
Siebertstrasse 3
81675 München / DE
[2020/24]
Former [2011/14]Vossius & Partner
Siebertstrasse 4
81675 München / DE
Application number, filing date09773953.613.05.2009
[2011/14]
WO2009US43687
Priority number, dateUS2008007694630.06.2008         Original published format: US 76946
[2011/14]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO2010002501
Date:07.01.2010
Language:EN
[2010/01]
Type: A2 Application without search report 
No.:EP2303437
Date:06.04.2011
Language:EN
The application published by WIPO in one of the EPO official languages on 07.01.2010 takes the place of the publication of the European patent application.
[2011/14]
Type: B1 Patent specification 
No.:EP2303437
Date:10.06.2020
Language:EN
[2020/24]
Search report(s)International search report - published on:KR25.02.2010
(Supplementary) European search report - dispatched on:EP03.03.2014
ClassificationIPC:B01D67/00, B01D69/00, B01D69/10, B01D69/14, B01D71/26, B01D71/40, B01D69/12, B01D69/02
[2014/11]
CPC:
B01D69/02 (EP,US); B01D67/0006 (EP,US); B01D69/1071 (EP,US);
B01D69/1218 (EP,US); B01D69/125 (EP,US); B01D71/261 (EP,US);
B01D71/262 (EP,US); B01D71/401 (EP,US); B01D2323/30 (EP,US);
B01D2323/345 (EP,US); B01D2325/0233 (EP,US); B01D2325/14 (EP,US);
B01D2325/16 (EP,US); B01D2325/36 (EP,US); B01D2325/38 (EP,US);
Y10T428/24942 (EP,US) (-)
Former IPC [2011/14]B01D67/00, B01D71/40, B01D69/00
Designated contracting statesAT,   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,   SE,   SI,   SK,   TR [2020/24]
Former [2011/14]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,  SE,  SI,  SK,  TR 
TitleGerman:VERFAHREN ZUR BILDUNG EINER ASYMMETRISCHEN MEMBRAN[2011/14]
English:METHOD OF FORMING AN ASYMMETRIC MEMBRANE[2011/14]
French:PROCÉDÉ DE FORMATION D'UNE MEMBRANE ASYMÉTRIQUE[2011/14]
Entry into regional phase28.01.2011National basic fee paid 
28.01.2011Search fee paid 
28.01.2011Designation fee(s) paid 
28.01.2011Examination fee paid 
Examination procedure28.01.2011Examination requested  [2011/14]
17.09.2014Amendment by applicant (claims and/or description)
15.11.2017Despatch of a communication from the examining division (Time limit: M04)
22.03.2018Reply to a communication from the examining division
23.04.2019Cancellation of oral proceeding that was planned for 24.10.2019
24.10.2019Date of oral proceedings (cancelled)
02.12.2019Date of oral proceedings
02.01.2020Minutes of oral proceedings despatched
09.01.2020Communication of intention to grant the patent
21.04.2020Disapproval of the communication of intention to grant the patent by the applicant or resumption of examination proceedings by the EPO
21.04.2020Fee for grant paid
21.04.2020Fee for publishing/printing paid
30.04.2020Information about intention to grant a patent
30.04.2020Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  15.11.2017
Opposition(s)11.03.2021No opposition filed within time limit [2021/20]
Fees paidRenewal fee
27.05.2011Renewal fee patent year 03
29.03.2012Renewal fee patent year 04
10.05.2013Renewal fee patent year 05
27.03.2014Renewal fee patent year 06
12.05.2015Renewal fee patent year 07
10.05.2016Renewal fee patent year 08
10.05.2017Renewal fee patent year 09
11.05.2018Renewal fee patent year 10
15.05.2019Renewal fee patent year 11
31.03.2020Renewal fee patent year 12
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  TooltipHU13.05.2009
AT10.06.2020
CY10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
MC10.06.2020
MK10.06.2020
MT10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SI10.06.2020
SK10.06.2020
TR10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
[2026/04]
Former [2024/41]HU13.05.2009
AT10.06.2020
CY10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
MC10.06.2020
MK10.06.2020
MT10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SI10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2024/22]HU13.05.2009
AT10.06.2020
CY10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
MC10.06.2020
MK10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SI10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2023/27]HU13.05.2009
AT10.06.2020
CY10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
MC10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SI10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2023/24]AT10.06.2020
CY10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
MC10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SI10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2022/07]AT10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
MC10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SI10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2021/24]AT10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SI10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2021/21]AT10.06.2020
CZ10.06.2020
DK10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2021/10]AT10.06.2020
CZ10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
NL10.06.2020
PL10.06.2020
RO10.06.2020
SE10.06.2020
SK10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
IS10.10.2020
PT12.10.2020
Former [2021/09]AT10.06.2020
CZ10.06.2020
EE10.06.2020
ES10.06.2020
FI10.06.2020
HR10.06.2020
IT10.06.2020
LT10.06.2020
LV10.06.2020
NL10.06.2020
RO10.06.2020
SE10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
PT12.10.2020
Former [2021/04]FI10.06.2020
HR10.06.2020
LT10.06.2020
LV10.06.2020
NL10.06.2020
SE10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
Former [2021/01]FI10.06.2020
HR10.06.2020
LT10.06.2020
LV10.06.2020
SE10.06.2020
BG10.09.2020
NO10.09.2020
GR11.09.2020
Former [2020/50]FI10.06.2020
HR10.06.2020
LT10.06.2020
LV10.06.2020
SE10.06.2020
NO10.09.2020
GR11.09.2020
Former [2020/48]FI10.06.2020
LT10.06.2020
SE10.06.2020
NO10.09.2020
Former [2020/47]LT10.06.2020
NO10.09.2020
Documents cited:Search[XI] EP1464380  (MILLIPORE CORP et al.) [X] 13 * abstract * * paragraphs [0055] - [0058] - [0063] - [0070] - [0089] - [0092] * * claims *[I] 1-12
 [XI] US2005011826  (CHILDS RONALD F et al.) [X] 13 * abstract * * paragraphs [0016] - [0022] - [0026] , [0030] - [0031] - [0057] , [0060] , [0064] * * paragraph [0125] * * claims *[I] 1-12
 [XI] US2006000778  (CHILDS RONALD F et al.) [X] 13 * abstract * * claims * * examples * * paragraphs [0019] , [0024] - [0027] - [0045] - [0050] - [0051] - [0055] *[I] 1-12
International search[A] EP0481517  (DAINIPPON INK & CHEMICALS et al.) [A]
 [A] US2002148774  (WANG I-FAN et al.) [A]
 [A] EP1464380  (MILLIPORE CORP et al.) [A]
ExaminationUS5468390
 WO0218039
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.