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Extract from the Register of European Patents

EP About this file: EP0096339

EP0096339 - Use of a multilayer membrane in the separation of liquids by pervaporation [Right-click to bookmark this link]
Former [1983/51]Multilayer membrane and its use in the separation of liquids by pervaporation
[1998/27]
StatusPatent maintained as amended
Status updated on  11.09.1998
Database last updated on 11.11.2024
Most recent event   Tooltip11.07.2008Change - representativepublished on 13.08.2008  [2008/33]
Applicant(s)For all designated states
Deutsche Carbone AG
Talstrasse 112 Postfach 56 02 09
60407 Frankfurt / DE
[1998/44]
Former [1993/34]For all designated states
Deutsche Carbone AG
Talstrasse 112 Postfach 56 02 09
D-60407 Frankfurt / DE
Former [1992/34]For all designated states
GFT Gesellschaft für Trenntechnik mbH
Friedrichsthaler Strasse 19
D-66540 Neunkirchen / DE
Former [1983/51]For all designated states
GFT Ingenieurbüro für Industrieanlagenbau
Lieselottenstrasse 12
D-6650 Homburg / Saar / DE
Inventor(s)01 / Brüschke, Hartmut, Dr.
Kurpfalzstrasse 64
D-6907 Nussloch / DE
[1983/51]
Representative(s)Dost, Wolfgang, et al
Bardehle Pagenberg Partnerschaft
Patentanwälte, Rechtsanwälte
Postfach 86 06 20
81633 München / DE
[N/P]
Former [2008/33]Dost, Wolfgang, et al
Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Geissler Postfach 86 06 20
81633 München / DE
Former [1983/51]Dost, Wolfgang, Dr.rer.nat., Dipl.-Chem., et al
Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner Galileiplatz 1
D-81679 München / DE
Application number, filing date83105379.831.05.1983
[1983/51]
Priority number, dateDE1982322057001.06.1982         Original published format: DE 3220570
[1983/51]
Filing languageEN
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0096339
Date:21.12.1983
Language:DE
[1983/51]
Type: A3 Search report 
No.:EP0096339
Date:25.04.1984
Language:DE
[1984/17]
Type: B1 Patent specification 
No.:EP0096339
Date:14.12.1988
Language:DE
[1988/50]
Type: B2 New European patent specification 
No.:EP0096339
Date:28.10.1998
Language:DE
[1998/44]
Search report(s)(Supplementary) European search report - dispatched on:EP23.02.1984
ClassificationIPC:B01D61/36, B01D71/28
[1998/27]
CPC:
B01D61/362 (EP,US); B01D69/1216 (EP,US); B01D71/16 (EP,US);
B01D71/381 (EP,US); B01D71/383 (EP,US)
Former IPC [1983/51]B01D13/04, B01D13/00
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1983/51]
TitleGerman:Verwendung einer mehrschichtigen Membran zur Trennung von Flüssigkeitsgemischen nach dem Pervaporationsverfahren[1998/27]
English:Use of a multilayer membrane in the separation of liquids by pervaporation[1998/27]
French:Utilisation d'une membrane à plusieurs couches pour la séparation de mélanges liquides selon le procédé de pervaporation[1998/27]
Former [1983/51]Mehrschichtige Membran und ihre Verwendung zur Trennung von Flüssigkeitsgemischen nach dem Pervaporationsverfahren
Former [1983/51]Multilayer membrane and its use in the separation of liquids by pervaporation
Former [1983/51]Membrane à plusieurs couches et son utilisation pour la séparation de mélanges liquides selon le procédé de pervaporation
Examination procedure25.10.1984Examination requested  [1985/01]
02.12.1985Despatch of a communication from the examining division (Time limit: M06)
15.07.1986Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
08.08.1986Reply to a communication from the examining division
01.12.1986Despatch of a communication from the examining division (Time limit: M05)
11.05.1987Reply to a communication from the examining division
08.01.1988Despatch of communication of intention to grant (Approval: Yes)
16.06.1988Communication of intention to grant the patent
26.09.1988Fee for grant paid
26.09.1988Fee for publishing/printing paid
Opposition(s)Opponent(s)01  11.09.1989  26.10.1989  ADMISSIBLE
Mokhtari-Nejad, Esfandiar, Dr.
Mittermaierstr. 23
D-69115 Heidelberg / DE
 02  11.09.1989  06.11.1989  ADMISSIBLE
Akzo Nobel Faser AG
Kasinostrasse 19 - 21
D-42097 Wuppertal / DE
 03  13.09.1989  06.11.1989  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 04  14.09.1989  06.11.1989  ADMISSIBLE
Prof. Dr. Siegfried PETER
Lindenweg 3
D-91080 Uttenreuth / DE
Opponent's representative
Weinhold, Peter
Winter, Brandl, Fürniss, Hübner
Röss, Kaiser, Polte
Partnerschaft
Patent- und Rechtsanwaltskanzlei, Alois-Steinecker-Strasse 22
85354 Freising / DE
 [N/P]
Former [1998/06]
Opponent(s)01  11.09.1989  26.10.1989  ADMISSIBLE
Mokhtari-Nejad, Esfandiar, Dr.
Mittermaierstr. 23
D-69115 Heidelberg / DE
 02  11.09.1989  06.11.1989  ADMISSIBLE
Akzo Nobel Faser AG
Kasinostrasse 19 - 21
D-42103 Wuppertal / DE
 03  13.09.1989  06.11.1989  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 04  14.09.1989  06.11.1989  ADMISSIBLE
Prof. Dr. Siegfried PETER
Lindenweg 3
D-91080 Uttenreuth / DE
Opponent's representative
Weinhold, Peter, Dr.
Patentanwälte Dr. Weinhold, Dannenberg, Dr. Gudel, Schubert Siegfriedstrasse 8
D-80803 München / DE
Former [1994/42]
Opponent(s)01  11.09.1989  26.10.1989  ADMISSIBLE
Mokhtari-Nejad, Esfandiar, Dr.
Mittermaierstr. 23
D-69115 Heidelberg / DE
 02  11.09.1989  06.11.1989  ADMISSIBLE
Akzo Nobel Faser AG
Kasinostrasse 19 - 21
D-42103 Wuppertal / DE
 03  13.09.1989  06.11.1989  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 04  14.09.1989  06.11.1989  ADMISSIBLE
Prof. Dr. Siegfried PETER
Lindenweg 3
D-91080 Uttenreuth / DE
Opponent's representative
Barz, Peter, Dr.
Patentanwälte Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Dr. P. Barz Siegfriedstrasse 8
D-80803 München / DE
Former [1993/50]
Opponent(s)01  11.09.1989  26.10.1989  ADMISSIBLE
Mokhtari-Nejad, Esfandiar, Dr.
Mittermaierstr. 23
D-69115 Heidelberg / DE
 02  11.09.1989  06.11.1989  ADMISSIBLE
Akzo Faser AG
Fachbereich Patentwesen Postfach 10 01 49
D-42097 Wuppertal / DE
 03  13.09.1989  06.11.1989  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 04  14.09.1989  06.11.1989  ADMISSIBLE
Prof. Dr. Siegfried PETER
Lindenweg 3
D-91080 Uttenreuth / DE
Opponent's representative
Barz, Peter, Dr.
Patentanwälte Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Dr. P. Barz Siegfriedstrasse 8
D-80803 München / DE
Former [1991/46]
Opponent(s)01  11.09.1989  26.10.1989  ADMISSIBLE
Mokhtari-Nejad, Esfandiar, Dr.
Mittermaierstr. 23
D-69115 Heidelberg / DE
Opponent's representative
Fiedler, Peter Christian
Kaiserstr. 10
D-6600 Saarbrücken / DE
 02  11.09.1989  06.11.1989  ADMISSIBLE
Akzo Faser AG
Fachbereich Patentwesen Postfach 10 01 49
D-42097 Wuppertal / DE
 03  13.09.1989  06.11.1989  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 04  14.09.1989  06.11.1989  ADMISSIBLE
Prof. Dr. Siegfried PETER
Lindenweg 3
D-91080 Uttenreuth / DE
Opponent's representative
Barz, Peter, Dr.
Patentanwälte Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Dr. P. Barz Siegfriedstrasse 8
D-80803 München / DE
Former [1989/47]
Opponent(s)01  11.09.1989   
Mokhtari-Nejad, Esfandiar, Dr.
Mittermaierstr. 23
D-69115 Heidelberg / DE
Opponent's representative
Fiedler, Peter Christian
Kaiserstr. 10
D-6600 Saarbrücken / DE
 02  11.09.1989   
Enka AG
Enka-Haus Kasinostrasse Postfach 10 01 49
D-42001 Wuppertal / DE
 03  13.09.1989    ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 04  14.09.1989   
Prof. Dr. Siegfried PETER
Lindenweg 3
D-91080 Uttenreuth / DE
Opponent's representative
Barz, Peter, Dr.
Patentanwälte Dr. V. Schmied-Kowarzik Dipl.-Ing. G. Dannenberg Dr. P. Weinhold Dr. D. Gudel Dipl.-Ing. S. Schubert Dr. P. Barz Siegfriedstrasse 8
D-80803 München / DE
Former [1989/45]
Opponent(s)01  11.09.1989   
Mokhtari-Nejad, Esfandiar, Dr.
Mittermaierstr. 23
D-69115 Heidelberg / DE
Opponent's representative
Fiedler, Peter Christian
Kaiserstr. 10
D-6600 Saarbrücken / DE
 02  11.09.1989   
Enka AG
Enka-Haus Kasinostrasse Postfach 10 01 49
D-42001 Wuppertal / DE
06.10.1989No. 04: Notification indicating deficiencies in the notice of opposition
09.10.1989No. 01: Notification indicating deficiencies in the notice of opposition
19.10.1989No. 04: Reply to notification indicating deficiencies in the notice of opposition
20.10.1989No. 01: Reply to notification indicating deficiencies in the notice of opposition
09.11.1989Invitation to proprietor to file observations on the notice of opposition
05.07.1990Reply of patent proprietor to notice(s) of opposition
21.01.1992Despatch of communication that the patent will be revoked
09.11.1994Despatch of a communication from the opposition division (Time limit: M06)
04.10.1995Despatch of interlocutory decision in opposition
19.03.1998Legal effect of interlocutory decision in opposition
12.05.1998Despatch of communication that the patent will be maintained as amended
24.08.1998Fee for printing new specification paid
Appeal following opposition05.12.1995Appeal received No.  T0977/95
05.02.1996Statement of grounds filed
19.03.1998Result of appeal procedure: appeal of the opponent was rejected
18.03.1992Appeal received No.  T0231/92
29.05.1992Statement of grounds filed
08.03.1994Result of appeal procedure: continuation of opposition procedure
19.03.1998Date of oral proceedings
25.03.1998Minutes of the oral proceedings despatched
08.08.1995Date of oral proceedings
04.10.1995Minutes of the oral proceedings despatched
Request for further processing for:08.08.1986Request for further processing filed
08.08.1986Full payment received (date of receipt of payment)
Request granted
10.09.1986Decision despatched
Fees paidRenewal fee
29.05.1985Renewal fee patent year 03
26.05.1986Renewal fee patent year 04
26.05.1987Renewal fee patent year 05
26.05.1988Renewal fee patent year 06
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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.
Lapses during opposition  TooltipGB14.12.1988
[2001/05]
Former [1989/39]BE31.05.1989
Documents cited:Search[A]DE2129734  (MONSANTO CO);
 [A]DE2441311  (HESE NIELS);
 [A]US3950247  (CHIANG ROBERT, et al);
 [A]DE2642407  (UOP INC);
 [A]DE2642245  (KURARAY CO);
 [A]US4035291  (CHIANG ROBERT, et al);
 [A]DE2850998  (UOP INC);
 [A]DE2920762  (KURARAY CO);
 [A]DE3005192  (INT POWER TECH);
 [A]US4230463  (HENIS JAY M S, et al);
 [A]EP0047953  (ALIGENA AG [CH])
by applicantUS3035060
 EP0047953
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.