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Extract from the Register of European Patents

EP About this file: EP0375234

EP0375234 - Nonwoven filter material [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  19.01.2001
Database last updated on 11.09.2024
Most recent event   Tooltip11.09.2009Change - representativepublished on 14.10.2009  [2009/42]
Applicant(s)For all designated states
MINNESOTA MINING AND MANUFACTURING COMPANY
3M Center, P.O. Box 33427
St. Paul, MN 55133-3427 / US
[N/P]
Former [1991/11]For all designated states
MINNESOTA MINING AND MANUFACTURING COMPANY
3M Center, P.O. Box 33427
St. Paul, Minnesota 55133-3427 / US
Former [1990/26]For all designated states
MINNESOTA MINING AND MANUFACTURING COMPANY
3M Center
Saint Paul, Minnesota 55133-3427 / US
Inventor(s)01 / Winters, John C. c/o Minnesota Mining and
Manufacturing Company 2501 Hudson Road
P.O. Box 33427 St. Paul Minn. 55133-3427 / US
[1990/26]
Representative(s)Hill, Cecilia Ann, et al
3M United Kingdom PLC
3M Centre
Cain Road
Bracknell
Berkshire RG12 8HT / GB
[N/P]
Former [2009/42]Hill, Cecilia Ann, et al
3M United Kingdom PLC 3M Centre Cain Road Bracknell
Berkshire RG12 8HT / GB
Former [2009/31]Hill, Cecilia Ann, et al
3M United Kingdom PLC 3M Centre Cain Road Bracknell
Berks RG12 8HT / BE
Former [1996/23]Hill, Cecilia Ann, et al
3M Office of Intellectual Property Counsel 3M Europe S.A./N.V. Hermeslaan 7
B-1831 Diegem / BE
Former [1996/02]Molyneaux, Martyn William, et al
c/o Ladas & Parry 52-54 High Holborn
GB-London WC1V 6RR / GB
Former [1990/26]Baillie, Iain Cameron
c/o Ladas & Parry Altheimer Eck 2
D-80331 München / DE
Application number, filing date89312886.811.12.1989
[1990/26]
Priority number, dateUS1988028829422.12.1988         Original published format: US 288294
[1990/26]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0375234
Date:27.06.1990
Language:EN
[1990/26]
Type: B1 Patent specification 
No.:EP0375234
Date:22.06.1994
Language:EN
[1994/25]
Search report(s)(Supplementary) European search report - dispatched on:EP11.04.1990
ClassificationIPC:B01D39/16, D04H5/08, B32B5/26
[1990/26]
CPC:
B32B5/26 (EP,US); A47L9/14 (EP,US); B01D39/08 (EP,US);
B01D39/1623 (EP,US); B03C3/28 (EP,US); B32B5/022 (US);
D04H1/54 (EP,US); D04H1/559 (EP,US); D04H1/56 (EP,US);
D04H3/14 (EP,US); B01D2239/0435 (EP,US); B01D2239/0622 (EP,US);
B01D2239/0627 (EP,US); B01D2239/1233 (EP,US); B01D2239/1258 (EP,US);
B32B2262/0253 (US); B32B2509/00 (US); Y10S428/903 (EP,US);
Y10S55/39 (EP,US); Y10T442/621 (EP,US) (-)
Designated contracting statesDE,   ES,   FR,   GB,   NL,   SE [1990/26]
TitleGerman:Nichtgewebtes Filtermaterial[1990/26]
English:Nonwoven filter material[1990/26]
French:Matériau de filtration non tissé[1990/26]
Examination procedure07.11.1990Examination requested  [1991/01]
18.03.1992Despatch of a communication from the examining division (Time limit: M06)
24.09.1992Reply to a communication from the examining division
29.01.1993Despatch of a communication from the examining division (Time limit: M04)
26.05.1993Reply to a communication from the examining division
15.10.1993Despatch of communication of intention to grant (Approval: Yes)
22.12.1993Communication of intention to grant the patent
14.01.1994Fee for grant paid
14.01.1994Fee for publishing/printing paid
Opposition(s)Opponent(s)01  17.03.1995  28.03.1995  ADMISSIBLE
Akzo Nobel N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
Opponent's representative
Fett, Günter
CPW GmbH Postfach 10 01 49
42097 Wuppertal / DE
 [N/P]
Former [2000/02]
Opponent(s)01  17.03.1995  28.03.1995  ADMISSIBLE
Akzo Nobel N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
Opponent's representative
Fett, Günter
Acordis AG, Postfach 10 01 49
42097 Wuppertal / DE
Former [1995/19]
Opponent(s)01  17.03.1995  28.03.1995  ADMISSIBLE
Akzo Nobel N.V.
Velperweg 76
NL-6824 BM Arnhem / NL
08.05.1995Invitation to proprietor to file observations on the notice of opposition
16.11.1995Reply of patent proprietor to notice(s) of opposition
11.12.1996Date of oral proceedings
02.01.1997Despatch of minutes of oral proceedings
02.01.1997Despatch of communication that the patent will be revoked
18.12.2000Legal effect of revocation of patent [2001/10]
Appeal following opposition26.02.1997Appeal received No.  T0249/97
09.05.1997Statement of grounds filed
18.12.2000Result of appeal procedure: appeal of the proprietor was rejected
18.12.2000Date of oral proceedings
22.12.2000Minutes of the oral proceedings despatched
Fees paidRenewal fee
02.01.1991Renewal fee patent year 03
24.11.1992Renewal fee patent year 04
24.11.1993Renewal fee patent year 05
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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[AD]US4589894  (GIN VINCENT M [US], et al);
 [A]GB2194255  (KIMBERLY CLARK CO);
 [A]WO8601702  (MINNESOTA MINING & MFG [US]);
 [A]US4631933  (CAREY JR PATRICK H [US])
ExaminationUS4215682
 US4650506
 US4011067
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.