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Extract from the Register of European Patents

EP About this file: EP0229356

EP0229356 - Multi-stage counter-current washing arrangement, its application and ancillary operating procedures [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.09.1993
Database last updated on 15.11.2024
Most recent event   Tooltip25.09.1993No opposition filed within time limitpublished on 18.11.1993 [1993/46]
Applicant(s)For all designated states
Firma AMBERGER KAOLINWERKE GMBH
Georg Schiffer Strasse 70
D-92242 Hirschau / DE
For all designated states
HÜLS AKTIENGESELLSCHAFT
45764 Marl / DE
[N/P]
Former [1993/45]For all designated states
Firma AMBERGER KAOLINWERKE GMBH
Georg Schiffer Strasse 70
D-92242 Hirschau / DE
For all designated states
HÜLS AKTIENGESELLSCHAFT
D-45764 Marl / DE
Former [1989/20]For all designated states
Firma AMBERGER KAOLINWERKE GMBH
Georg Schiffer Strasse 70
D-92242 Hirschau / DE
For all designated states
HÜLS AKTIENGESELLSCHAFT
D-45764 Marl / DE
Former [1987/30]For all designated states
Firma AMBERGER KAOLINWERKE GMBH
Georg Schiffer Strasse 70
D-92242 Hirschau / DE
For all designated states
Hüls Troisdorf Aktiengesellschaft
Postfach 11 65
D-5210 Troisdorf / DE
Inventor(s)01 / Schoengen, Anton, Dipl.-Ing.
In den Espeln 9
D-5810 Witten / DE
02 / Schroeder, Heinrich, Dr. Dipl.-Ing.
Örtli 5
D-4600 Dortmund / DE
03 / Porschen, Jörg
Merzenicher Strasse 154
D-5160 Düren / DE
04 / Donhauser, Friedrich, Dipl.-Ing.
Kolumbusstrasse 62
D-8450 Amberg / DE
[1987/30]
Representative(s)Richter, Bernhard, et al
Meissner, Bolte & Partner Karolinenstrasse 27
90402 Nürnberg / DE
[N/P]
Former [1987/30]Richter, Bernhard, Dipl.-Ing., et al
Patentanwalt, Beethovenstrasse 10
D-90491 Nürnberg / DE
Application number, filing date86117650.118.12.1986
[1987/30]
Priority number, dateDE1986360052210.01.1986         Original published format: DE 3600522
DE1986360625927.02.1986         Original published format: DE 3606259
DE1986363995822.11.1986         Original published format: DE 3639958
[1987/30]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0229356
Date:22.07.1987
Language:DE
[1987/30]
Type: A3 Search report 
No.:EP0229356
Date:22.06.1988
Language:DE
[1988/25]
Type: B1 Patent specification 
No.:EP0229356
Date:25.11.1992
Language:DE
[1992/48]
Search report(s)(Supplementary) European search report - dispatched on:EP02.05.1988
ClassificationIPC:B01D11/02, C07C51/09, C07C63/26
[1987/30]
CPC:
B01D11/02 (EP,US); B01D43/00 (KR); C07C51/43 (EP,US)
C-Set:
C07C51/43, C07C63/26 (EP,US)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   GR,   IT,   NL [1987/30]
TitleGerman:Mehrstufige Anordnung zur Gegenstromwaschung, deren Anwendung und zugehörige Verfahrensmassnahmen[1987/30]
English:Multi-stage counter-current washing arrangement, its application and ancillary operating procedures[1987/30]
French:Dispositif de lavage à contre-courant à plusieurs étages, l'application et les mesures d'opération[1987/30]
Examination procedure30.11.1988Examination requested  [1989/04]
19.07.1990Despatch of a communication from the examining division (Time limit: M06)
09.01.1991Reply to a communication from the examining division
21.05.1991Despatch of a communication from the examining division (Time limit: M06)
14.11.1991Reply to a communication from the examining division
26.11.1991Despatch of a communication from the examining division (Time limit: M04)
28.03.1992Reply to a communication from the examining division
22.04.1992Despatch of communication of intention to grant (Approval: Yes)
22.05.1992Communication of intention to grant the patent
03.08.1992Fee for grant paid
03.08.1992Fee for publishing/printing paid
Opposition(s)26.08.1993No opposition filed within time limit [1993/46]
Fees paidRenewal fee
25.10.1988Renewal fee patent year 03
24.10.1989Renewal fee patent year 04
20.10.1990Renewal fee patent year 05
18.10.1991Renewal fee patent year 06
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Documents cited:SearchDE855098  [ ] (METALLGESELLSCHAFT AG);
 DE878043  [ ] (WESTFALIA SEPARATOR AG);
 DE1263697  [ ] (MAERKISCHE OELWERKE WITTENBERG);
 US4555385  [ ] (STONE ALAN M [AU])
by applicantDE3044617
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.