blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Release notes
European Patent Register Assistant
European Patent Register Resource Book
European Patent Register – pocket guide
FAQ - European Patent Register
Federated Register (Flyer)
Global Dossier (Flyer)
Register events
Deep link coverage
Federated Register content
The Patent Information Tour
Fair use charter

Extract from the Register of European Patents

EP About this file: EP1358272

EP1358272 - FILTER STRUCTURE COMPRISING POLYMER NANOFIBERS [Right-click to bookmark this link]
Former [2003/45]POLYMER COMPOSITIONS, POLYMER MICROFIBERS, POLYMER NANOFIBERS AND APPLICATIONS INCLUDING FILTER STRUCTURE
[2011/46]
StatusPatent maintained as amended
Status updated on  12.06.2020
Database last updated on 29.03.2025
Most recent event   Tooltip12.06.2020Patent maintained (B2 publication)published on 15.07.2020  [2020/29]
Applicant(s)For all designated states
DONALDSON COMPANY, INC.
1400 West 94th Street
P.O. Box 1299
Minneapolis, MN 55440-1299 / US
[2020/29]
Former [2012/11]For all designated states
DONALDSON COMPANY, INC.
1400 West 94th Street, P.O. Box 1299
Minneapolis, MN 55440-1299 / US
Former [2003/45]For all designated states
DONALDSON COMPANY, INC.
1400 West 94th Street, P.O. Box 1299
Minneapolis, MN 55440-1299 / US
Inventor(s)01 / CHUNG, Hoo, Y.
7608 West 101 Street
Bloomington, MN 55438 / US
02 / HALL, John, R., B.
13924 Xerxes Avenue S.
Burnsville, MN 55337 / US
03 / GOGINS, Mark, A.
806 Millwood Avenue
Roseville, MN 55113 / US
04 / CROFOOT, Douglas, G.
2501 West 140th Street
Burnsville, MN 55337 / US
05 / WEIK, Thomas, M.
18870 Azure Road
Deephaven, MN 55391 / US
 [2003/45]
Representative(s)Mewburn Ellis LLP
Aurora Building
Counterslip
Bristol BS1 6BX / GB
[2020/29]
Former [2012/11]Denison, Christopher Marcus, et al
Mewburn Ellis LLP 33 Gutter Lane London
EC2V 8AS / GB
Former [2006/01]Denison, Christopher Marcus, et al
Mewburn Ellis LLP York House 23 Kingsway
London WC2B 6HP / GB
Former [2003/45]Speiser, Dieter K.
Eisenführ, Speiser & Partner Patentanwälte Rechtsanwälte Postfach 10 60 78
28060 Bremen / DE
Application number, filing date01963852.709.08.2001
[2003/45]
WO2001US24948
Priority number, dateUS20000230138P05.09.2000         Original published format: US 230138 P
US2001087158331.05.2001         Original published format: US 871583
[2003/45]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report
No.:WO0220668
Date:14.03.2002
Language:EN
[2002/11]
Type: A2 Application without search report 
No.:EP1358272
Date:05.11.2003
Language:EN
The application published by WIPO in one of the EPO official languages on 14.03.2002 takes the place of the publication of the European patent application.
[2003/45]
Type: B1 Patent specification 
No.:EP1358272
Date:14.11.2012
Language:EN
[2012/46]
Type: B2 New European patent specification 
No.:EP1358272
Date:15.07.2020
Language:EN
[2020/29]
Search report(s)International search report - published on:EP24.07.2003
ClassificationIPC:B01D46/54, // D01D5/00, D01F6/14
[2011/46]
CPC:
B01D39/086 (EP,US); C08L101/00 (KR); B01D39/04 (US);
B01D39/1623 (EP,US); B01D39/163 (US); B01D39/18 (EP,US);
B01D46/0001 (EP,US); B01D46/02 (EP,US); B01D46/10 (EP,US);
B01D46/2411 (EP,US); B01D46/521 (EP,US); B01D46/523 (EP,US);
B01D46/546 (EP,US); D01D5/0007 (EP,US); D01D5/003 (US);
D01D5/0084 (EP,US); D01F1/10 (EP,US); D01F6/80 (EP,US);
D01F6/90 (EP,US); D01F6/92 (EP,US); D04H3/02 (EP,US);
B01D2239/025 (EP,US); B01D2239/0428 (EP,US); B01D2239/0492 (EP,US);
B01D2239/0613 (EP,US); B01D2239/0618 (EP,US); B01D2239/0627 (EP,US);
B01D2239/064 (EP,US); B01D2239/065 (EP,US); B01D2239/0654 (EP,US);
B01D2239/1233 (EP,US); B01D2239/1258 (EP,US); B01D2275/10 (EP,US);
B82Y30/00 (KR); C08L65/00 (EP,US); C08L77/00 (EP,US);
Y10S428/903 (EP,US); Y10T428/1362 (EP,US); Y10T428/24686 (EP,US);
Y10T428/24942 (EP,US); Y10T428/26 (EP,US); Y10T428/29 (EP,US);
Y10T428/2915 (EP,US); Y10T428/2933 (EP,US); Y10T428/2938 (EP,US);
Y10T428/2967 (EP,US); Y10T428/2969 (EP,US); Y10T428/298 (EP,US);
Y10T442/16 (EP,US); Y10T442/614 (EP,US); Y10T442/626 (EP,US);
Y10T442/659 (EP,US) (-)
Former IPC [2003/45]C08L101/00, C08K5/13, D01F6/00, B01D24/00, // C08L101:00, C08L65:00
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2020/29]
Former [2003/45]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE,  TR 
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:FILTERSTRUKTUR ENTHALTEND POLYMERNANOFASERN[2011/46]
English:FILTER STRUCTURE COMPRISING POLYMER NANOFIBERS[2011/46]
French:STRUCTURE FILTRANTE CONTENANT DES NANOFIBRES POLYMÉRIQUES[2020/14]
Former [2003/45]POLYMERZUSAMMENSETZUNGEN, POLYMERMIKROFASERN, POLYMERNANOFASERN SOWIE FILTERSTRUKTUR
Former [2003/45]POLYMER COMPOSITIONS, POLYMER MICROFIBERS, POLYMER NANOFIBERS AND APPLICATIONS INCLUDING FILTER STRUCTURE
Former [2003/45]POLYMERE, MICROFIBRE DE POLYMERE, NANOFIBRE DE POLYMERE ET APPLICATIONS, Y COMPRIS DES STRUCTURES FILTRANTES
Entry into regional phase07.04.2003National basic fee paid 
26.01.2004Designation fee(s) paid 
26.01.2004Examination fee paid 
Examination procedure22.03.2002Request for preliminary examination filed
International Preliminary Examining Authority: EP
26.01.2004Examination requested  [2004/14]
23.08.2004Despatch of a communication from the examining division (Time limit: M06)
02.03.2005Reply to a communication from the examining division
03.06.2005Despatch of a communication from the examining division (Time limit: M06)
12.12.2005Reply to a communication from the examining division
07.12.2006Cancellation of oral proceeding that was planned for 13.12.2006
07.12.2006Minutes of oral proceedings despatched
13.12.2006Date of oral proceedings (cancelled)
22.07.2009Despatch of a communication from the examining division (Time limit: M06)
12.05.2010Reply to a communication from the examining division
07.10.2011Cancellation of oral proceeding that was planned for 11.10.2011
11.10.2011Date of oral proceedings (cancelled)
11.11.2011Communication of intention to grant the patent
15.05.2012Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time
20.07.2012Fee for grant paid
20.07.2012Fee for publishing/printing paid
Appeal following examination24.07.2012Appeal received No.  J0022/12
28.09.2012Statement of grounds filed
07.11.2013Result of appeal procedure: appeal inadmissible
Divisional application(s)EP06014221.3  / EP1733776
EP07003080.4  / EP1820553
EP07021897.9  / EP1925352
EP11195552.2  / EP2730327
EP12177363.4  / EP2740524
The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  23.08.2004
Opposition(s)Opponent(s)01  13.08.2013  07.08.2014  ADMISSIBLE
MANN + HUMMEL GmbH
Hindenburgstr. 45
71638 Ludwigsburg / DE
Opponents representative
Vos, Derk
Maiwald GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
 02  13.08.2013  07.08.2014  ADMISSIBLE
Neenah Gessner GmbH
Otto-von-Steinbeis-Str. 14b
83052 Bruckmühl / DE
Opponents representative
Flach Bauer & Partner Patentanwälte mbB
Adlzreiterstraße 11
83022 Rosenheim / DE
 [N/P]
Former [2019/03]
Opponent(s)01  13.08.2013  07.08.2014  ADMISSIBLE
MANN + HUMMEL GmbH
Hindenburgstr. 45
71638 Ludwigsburg / DE
Opponents representative
Vos, Derk
Maiwald Patentanwalts- und
Rechtsanwaltsgesellschaft mbH
Elisenhof
Elisenstraße 3
80335 München / DE
 02  13.08.2013  07.08.2014  ADMISSIBLE
Neenah Gessner GmbH
Otto-von-Steinbeis-Str. 14b
83052 Bruckmühl / DE
Opponents representative
Flach Bauer Stahl Patentanwälte Partnerschaft mbB
Adlzreiterstraße 11
83022 Rosenheim / DE
Former [2014/27]
Opponent(s)01  13.08.2013    ADMISSIBLE
MANN + HUMMEL GmbH
Hindenburgstr. 45
71638 Ludwigsburg / DE
Opponents representative
Vos, Derk
Maiwald Patentanwalts GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
 02  13.08.2013   
Neenah Gessner GmbH
Otto-von-Steinbeis-Str. 14b
83052 Bruckmühl / DE
Opponents representative
Andrae Westendorp Patentanwälte Partnerschaft, et al, et al
Uhlandstraße 2
80336 München / DE
Former [2013/43]
Opponent(s)01  13.08.2013   
MANN + HUMMEL GmbH
Hindenburgstr. 45
71638 Ludwigsburg / DE
Opponents representative
Vos, Derk
Maiwald Patentanwalts GmbH
Elisenhof
Elisenstraße 3
80335 München / DE
 02  13.08.2013   
Neenah Gessner GmbH
Otto-von-Steinbeis-Str. 14b
83052 Bruckmühl / DE
Opponents representative
Andrae, Steffen, et al, et al
Andrae Flach Haug Balanstrasse 55
81541 München / DE
23.10.2013Deletion: No opposition filed within time limit [2013/43]
07.11.2013Date of oral proceedings
18.11.2013Despatch of minutes of oral proceedings
18.08.2014Invitation to proprietor to file observations on the notice of opposition
02.03.2015Reply of patent proprietor to notice(s) of opposition
24.09.2019Legal effect of interlocutory decision in opposition
24.09.2019Date of oral proceedings
07.11.2019Despatch of interlocutory decision in opposition
07.11.2019Despatch of minutes of oral proceedings
02.03.2020Despatch of communication that the patent will be maintained as amended
04.06.2020Fee for printing new specification paid
Request for further processing for:The application is deemed to be withdrawn due to failure to fulfill actions required for granting the patent
20.07.2012Request for further processing filed
20.07.2012Full payment received (date of receipt of payment)
Request granted
10.10.2012Decision despatched
The application is deemed to be withdrawn due to failure to reply to the examination report
12.05.2010Request for further processing filed
12.05.2010Full payment received (date of receipt of payment)
Request granted
27.05.2010Decision despatched
Fees paidRenewal fee
06.08.2003Renewal fee patent year 03
06.08.2004Renewal fee patent year 04
08.08.2005Renewal fee patent year 05
07.08.2006Renewal fee patent year 06
03.08.2007Renewal fee patent year 07
08.08.2008Renewal fee patent year 08
07.08.2009Renewal fee patent year 09
25.08.2010Renewal fee patent year 10
25.08.2011Renewal fee patent year 11
20.08.2012Renewal 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  TooltipAT31.08.2012
BE14.11.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
GR14.11.2012
IT14.11.2012
LU14.11.2012
MC14.11.2012
NL14.11.2012
PT14.11.2012
SE14.11.2012
TR14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
[2016/30]
Former [2015/40]AT31.08.2012
BE14.11.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
GR14.11.2012
IT14.11.2012
LU14.11.2012
MC14.11.2012
NL14.11.2012
SE14.11.2012
TR14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2015/39]AT31.08.2012
BE14.11.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
GR14.11.2012
IT14.11.2012
LU14.11.2012
MC14.11.2012
NL14.11.2012
TR14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2015/38]AT31.08.2012
BE14.11.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
GR14.11.2012
LU14.11.2012
MC14.11.2012
NL14.11.2012
TR14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2015/35]AT31.08.2012
BE14.11.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
LU14.11.2012
MC14.11.2012
NL14.11.2012
TR14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2015/34]AT31.08.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
LU14.11.2012
MC14.11.2012
NL14.11.2012
TR14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2015/32]AT31.08.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
MC14.11.2012
NL14.11.2012
TR14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2015/30]AT31.08.2012
CY14.11.2012
DK14.11.2012
FI14.11.2012
MC14.11.2012
NL14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2014/33]AT31.08.2012
DK14.11.2012
FI14.11.2012
MC14.11.2012
NL14.11.2012
ES25.02.2013
IE09.08.2013
CH31.08.2013
LI31.08.2013
Former [2014/20]AT31.08.2012
DK14.11.2012
FI14.11.2012
MC14.11.2012
NL14.11.2012
ES25.02.2013
CH31.08.2013
LI31.08.2013
Former [2014/09]AT31.08.2012
DK14.11.2012
FI14.11.2012
NL14.11.2012
ES25.02.2013
Former [2013/37]DK14.11.2012
FI14.11.2012
NL14.11.2012
ES25.02.2013
Former [2013/34]DK14.11.2012
FI14.11.2012
ES25.02.2013
Former [2013/22]FI14.11.2012
ES25.02.2013
Cited inInternational search[X]JPS62289664  ;
 [A]JPS5281343  ;
 JPS473712B  [ ] (HONNY CHEMICALS CO., LTD.);
 [X]US2169250  (IZARD EMMETTE F) [X] 184-189 * example -; claim - *;
 [X]US2384947  (MATHESON LORNE A) [X] 1,10 * example -; claim - *;
 [X]GB584985  (DU PONT) [X] 1-5,10-19,23,30-38,40-45,58-67,72-77,80-86,90-103,110-112,129-134,136,137,183 * example -; claim - *;
 [X]US2443450  (BOYNTON GRAHAM, et al) [X] 138-143 * example -; claim - *;
 [X]US2484523  (MCCLELLAN WILLIAM R) [X] 49-57,104,106-109,129,136,137 * example -; claim - *;
 [X]GB854987  (HOECHST AG) [X] 184-189 * example -; claim - *;
 [X]US3284178  (TIMMER WILLIAM F, et al) [X] 49-57,104,106-109,129,136,137 * example -; claim - *;
 [X]NL6509765  (WEVERIJEN NV) [X] 184-189 * example -; claim - *;
 [X]GB1376756  (KANEBO LTD) [X] 1-5,10-19,23,30-38,40-45,58-67,72-77,80-86,90-103,110-112,129-134,136,137,183 * example -; claim - *;
 [X]GB1379875  (NISSAN MOTOR) [X] 184-189 * example -; claim - *;
 JPS5075652  [ ] (TEIJIN, LTD., JAPAN);
 [X]US3980605  (STEIGELMANN EDWARD F, et al) [X] 138-143 * example -; claim - *;
 [X]US4469606  (REID WILLIAM J [US], et al) [X] 1-135 * column 5, line 46 - line 49; example IV; claim - *;
 [X]EP0351046  (TORAY INDUSTRIES [JP]) [X] 6,184 * example -; claim - *;
 [X]EP0489395  (TOYO BOSEKI [JP]) [X] 18-23,30-45,47,48,80-103,110-112,129-131,136,137,183 * page 5, line 24 - page 6, line 17; example 19; claim - *;
 [X]US5166246  (GALLUCCI ROBERT R [US], et al) [X] 18,19,23,30-45,80-86,90-103,110-112,129-131,136,137,183 * column 1, line 17 - line 20 * * column 9, line 24 - column 10, line 44; example -; claim - *;
 JPH05195322  [ ] (TOYO BOSEKI);
 JPH05239778  [ ] (TOYO BOSEKI);
 JPH0657530  [ ] (TOYO BOSEKI);
 JPH0657531  [ ] (TOYO BOSEKI);
 [X]WO9418364  (DU PONT [US]) [X] 1 * page 5, line 21 - line 26; claim -; table I *;
 [X]US5340522  (TANIGUCHI ATSUSHI [JP], et al) [X] 184-189 * example -; claim - *;
 JPH06264301  [ ] (TOYO BOSEKI);
 [X]WO9962705  (UNIV NEBRASKA [US], et al) [X] 1-5,10-17,58-67,72-77,129-134 * example -; claim - *;
 [X]  - CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 122:83620 HCA, URL: STN, XP002193172 [X] 18,19,23,30-38,40-45,80-86,90-103,110-112,129-131,136,137,183 * abstract *
 [X]  - CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 121:37554 HCA, URL: STN, XP002193173 [X] 1-5,10-19,23,30-38,40-45,58-67,72-77,80-86,90-103,110-112,129-134,136,137,183 * abstract *
 [X]  - CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 121:37553 HCA, URL: STN, XP002193174 [X] 1-5,10-19,23,30-38,40-45,58-67,72-77,80-86,90-103,110-112,129-134,136,137,183 * abstract *
 [X]  - CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 120:325689 HCA, URL: STN, XP002193175 [X] 18,19,23,30-45,80-86,90-103,110-112,129-131,136,137,183 * abstract *
 [X]  - CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 120:32829 HCA, URL: STN, XP002193176 [X] 1-5,10-19,30-42,58-67,72-77,80-86,95-103,110-112,129-134 * abstract *
 [X]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 1988, no. 05, Database accession no. 1988-031509, XP002238148 & JPS62289664 A 19871216 (ASAHI CHEM IND CO LTD) [X] 49-57,104,106-109,129,136,137 * abstract *
 [A]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 1977, no. 34, Database accession no. 1977-59974Y, XP002238149 & JPS5281343 A 19770707 (DAISEL LTD) [A] 9-57,104,106-109,129,136,137 * abstract *
 [A]  - DARRELL H RENEKER ET AL, "Nanometre diameter fibres of polymer, produced by electrospinning", NANOTECHNOLOGY, uk, (1996), vol. 7, pages 216 - 223, XP002238144 [A] 1 * the whole document *

DOI:   http://dx.doi.org/10.1088/0957-4484/7/3/009
 [X]  - CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 83:207463 HCA, URL: STN, XP002238145 [X] 49-57,104,106-109,129,136,137 * abstract *
 [A]  - CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 77:128261 HCA, URL: STN, XP002238146 [A] 138-143 * abstract *
 [X]  - OLEINIK, V. G. ET AL, "Formation of ester bonds during the thermal treatment of fibers from mixtures of poly(vinyl alcohol) and polyacrylic acid", CA, CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US, Database accession no. 69:59979 HCA, URL: STN, XP002238147 [X] 184-189 * abstract *
    [ ] - KHIMICHESKAYA PROMYSHLENNOST UKRAINY (1968), (3), 13-16
OppositionUS3660556
 US3741724
 US4138445
 US4145371
 EP0547604
 JPH08158149
 DE29907699U
 JPH11286826
 WO0220668
 WO0220135
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.