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Extract from the Register of European Patents

EP About this file: EP0383156

EP0383156 - Process for eliminating phosphates and organically bound phosphorus from waste and feed waters [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  20.11.1998
Database last updated on 27.07.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
NALCO CHEMICAL COMPANY
One Nalco Center Naperville
Illinois 6566-1024 / US
[N/P]
Former [1992/26]For all designated states
NALCO CHEMICAL COMPANY
One Nalco Center
Naperville Illinois 6566-1024 / US
Former [1990/34]For all designated states
NALCO CHEMICAL COMPANY
One Nalco Center
Naperville Illinois 60563-1198 / US
Inventor(s)01 / Lehmkuhl, Josef
Im Klingen 38
D-6238 Hofheim/Taunus / DE
[1990/34]
Representative(s)Hartmann, Günter, et al
RUSCHKE HARTMANN MADGWICK & SEIDE Patent- und Rechtsanwälte Postfach 86 06 29
81633 München / DE
[N/P]
Former [1996/51]Hartmann, Günter, et al
RUSCHKE HARTMANN BECKER, Patentanwälte, Pienzenauerstrasse 2
81679 München / DE
Former [1992/03]Ruschke, Hans Edvard, Dipl.-Ing., et al
Patentanwälte Ruschke & Partner Pienzenauerstrasse 2
D-81679 München / DE
Former [1990/34]Rotter, Ulrich, Dipl.-Chem. Dr.
Pienzenauerstrasse 2
D-81679 München / DE
Application number, filing date90102316.806.02.1990
[1990/34]
Priority number, dateDE1989390457515.02.1989         Original published format: DE 3904575
[1990/34]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0383156
Date:22.08.1990
Language:DE
[1990/34]
Type: B1 Patent specification 
No.:EP0383156
Date:24.06.1992
Language:DE
[1992/26]
Search report(s)(Supplementary) European search report - dispatched on:EP12.06.1990
ClassificationIPC:C02F1/52, C01F7/04
[1990/34]
CPC:
C02F3/1215 (EP); C01F7/04 (EP); C02F1/5236 (EP);
Y02W10/10 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1990/44]
Former [1990/34]AT,  BE,  CH,  DE,  DK,  ES,  FR,  GB,  GR,  IT,  LI,  LU,  NL,  SE 
TitleGerman:Verfahren zur Eliminierung von Phosphaten und organisch gebundenem Phosphor aus Abwässern und Zulaufwässern[1990/34]
English:Process for eliminating phosphates and organically bound phosphorus from waste and feed waters[1990/34]
French:Procédé pour l'élimination de phosphates et de phosphores organiquement liés des eaux résiduaires et d'adduction[1992/26]
Former [1990/34]Procédé pour l'élimination de phosphates et de phosphores organiquement lié des eaux résiduaires et d'adduction
Examination procedure16.02.1990Loss of particular rights, legal effect: designated state(s)
30.05.1990Despatch of communication of loss of particular rights: designated state(s) DK
08.11.1990Examination requested  [1991/02]
08.11.1990Request for accelerated examination filed
14.03.1991Despatch of a communication from the examining division (Time limit: M06)
14.03.1991Decision about request for accelerated examination - accepted: Yes
16.08.1991Reply to a communication from the examining division
11.09.1991Despatch of communication of intention to grant (Approval: Yes)
09.10.1991Communication of intention to grant the patent
07.01.1992Fee for grant paid
07.01.1992Fee for publishing/printing paid
Opposition(s)Opponent(s)01  28.09.1992  22.10.1992  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT, Frankfurt
Werk Knapsack Patentabteilung
D-50354 Hürth / DE
 02  22.03.1993  04.10.1993  ADMISSIBLE
Interal Vertriebs GmbH
waldstr. 12
5632 Wermelskirchen / DE
Opponent's representative
Neumann, Joachim
Postfach 10 09 45
51309 Leverkusen / DE
 03  24.03.1993  04.10.1993  ADMISSIBLE
SÜD-CHEMIE AG
Lenbachplatz 6
80333 München / DE
Opponent's representative
Reitzner, Bruno
Splanemann Reitzner Baronetzky Westendorp Patentanwälte Rumfordstrasse 7
80469 München / DE
 04  24.03.1993  13.10.1993  ADMISSIBLE
Scandex Aluminium N.V.
Nijverheidsweg 9 - P.O. Box 102
NL 9600 AC Hoogezand / NL
Opponent's representative
Hatzmann, Martin
Vereenigde Octrooibureaux
Nieuwe Parklaan 97
2587 BN 's-Gravenhage / NL
 05  24.03.1993  27.04.1993  ADMISSIBLE
Alcon Aluminium Consult GmbH
Benrather Schlossallee 71
D 4000 Düsseldorf / DE
Opponent's representative
Rabus, Werner W.
Eisenführ, Speiser & Partner Patentanwälte Rechtsanwälte Postfach 10 60 78
28060 Bremen / DE
 06  22.03.1993  04.10.1993  ADMISSIBLE
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
Opponent's representative
Zellentin & Partner mbB Patentanwälte
Rubensstraße 30
67061 Ludwigshafen / DE
 07  20.03.1993  04.10.1993  ADMISSIBLE
Solvay Deutschland GmbH Patentabteilung
Postfach 220
D-30002 Hannover / DE
 [N/P]
Former [1996/24]
Opponent(s)01  28.09.1992  22.10.1992  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT, Frankfurt
Werk Knapsack Patentabteilung
D-50354 Hürth / DE
 02  22.03.1993  04.10.1993  ADMISSIBLE
Interal Vertriebs GmbH
waldstr. 12
5632 Wermelskirchen / DE
Opponent's representative
Neumann, Joachim
Postfach 10 09 45
D-51309 Leverkusen / DE
 03  24.03.1993  04.10.1993  ADMISSIBLE
SÜD-CHEMIE AG
Lenbachplatz 6
D-80333 München / DE
Opponent's representative
Reitzner, Bruno, Dr.
Patentanwälte Dipl.-Ing. R. Splanemann Dr. B. Reitzner, Dipl.-Ing. K. Baronetzky Tal 13
D-80331 München / DE
 04  24.03.1993  13.10.1993  ADMISSIBLE
Scandex Aluminium N.V.
Nijverheidsweg 9 - P.O. Box 102
NL 9600 AC Hoogezand / NL
Opponent's representative
Hatzmann, Marinus J.
Vereenigde Octrooibureau Nieuwe Parklaan 97
NL-2587 BN 's-Gravenhage / NL
 05  24.03.1993  27.04.1993  ADMISSIBLE
Alcon Aluminium Consult GmbH
Benrather Schlossallee 71
D 4000 Düsseldorf / DE
Opponent's representative
Rabus, Werner W., Dipl.-Ing.
Eisenführ, Speiser & Partner, Martinistrasse 24
D-28195 Bremen / DE
 06  22.03.1993  04.10.1993  ADMISSIBLE
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
Opponent's representative
Patentanwälte Zellentin & Partner
Rubensstrasse 30
67061 Ludwigshafen / DE
 07  20.03.1993  04.10.1993  ADMISSIBLE
Solvay Deutschland GmbH Patentabteilung
Postfach 220
D-30002 Hannover / DE
Former [1995/50]
Opponent(s)01  28.09.1992  22.10.1992  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT, Frankfurt
Werk Knapsack Patentabteilung
D-50354 Hürth / DE
 02  22.03.1993  04.10.1993  ADMISSIBLE
Interal Vertriebs GmbH
waldstr. 12
5632 Wermelskirchen / DE
Opponent's representative
Neumann, Joachim
Postfach 10 09 45
D-51309 Leverkusen / DE
 03  24.03.1993  04.10.1993  ADMISSIBLE
SÜD-CHEMIE AG
Lenbachplatz 6
D-80333 München / DE
Opponent's representative
Reitzner, Bruno, Dr.
Patentanwälte Dipl.-Ing. R. Splanemann Dr. B. Reitzner, Dipl.-Ing. K. Baronetzky Tal 13
D-80331 München / DE
 04  24.03.1993  13.10.1993  ADMISSIBLE
Scandex Aluminium N.V.
Nijverheidsweg 9 - P.O. Box 102
NL 9600 AC Hoogezand / NL
Opponent's representative
Hatzmann, Marinus J.
Vereenigde Octrooibureau Nieuwe Parklaan 97
NL-2587 BN 's-Gravenhage / NL
 05  24.03.1993  27.04.1993  ADMISSIBLE
Alcon Aluminium Consult GmbH
Benrather Schlossallee 71
D 4000 Düsseldorf / DE
Opponent's representative
Rabus, Werner W., Dipl.-Ing.
Eisenführ, Speiser & Partner, Martinistrasse 24
D-28195 Bremen / DE
 06  22.03.1993  04.10.1993  ADMISSIBLE
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
 07  20.03.1993  04.10.1993  ADMISSIBLE
Solvay Deutschland GmbH Patentabteilung
Postfach 220
D-30002 Hannover / DE
Former [1995/32]
Opponent(s)01  28.09.1992  22.10.1992  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT, Frankfurt
Werk Knapsack Patentabteilung
D-50354 Hürth / DE
 02  22.03.1993  04.10.1993  ADMISSIBLE
Interal Vertriebs GmbH
waldstr. 12
5632 Wermelskirchen / DE
Opponent's representative
Neumann, Joachim
Dönhoffstrasse 32 Postfach 10 09 45
W-5090 Leverkusen 1 / DE
 03  24.03.1993  04.10.1993  ADMISSIBLE
SÜD-CHEMIE AG
Lenbachplatz 6
D-80333 München / DE
Opponent's representative
Reitzner, Bruno, Dr.
Patentanwälte Dipl.-Ing. R. Splanemann Dr. B. Reitzner, Dipl.-Ing. K. Baronetzky Tal 13
D-80331 München / DE
 04  24.03.1993  13.10.1993  ADMISSIBLE
Scandex Aluminium N.V.
Nijverheidsweg 9 - P.O. Box 102
NL 9600 AC Hoogezand / NL
Opponent's representative
Hatzmann, Marinus J.
Vereenigde Octrooibureau Nieuwe Parklaan 97
NL-2587 BN 's-Gravenhage / NL
 05  24.03.1993  27.04.1993  ADMISSIBLE
Alcon Aluminium Consult GmbH
Benrather Schlossallee 71
D 4000 Düsseldorf / DE
Opponent's representative
Rabus, Werner W., Dipl.-Ing.
Eisenführ, Speiser & Partner, Martinistrasse 24
D-28195 Bremen / DE
 06  22.03.1993  04.10.1993  ADMISSIBLE
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
 07  20.03.1993  04.10.1993  ADMISSIBLE
Solvay Deutschland GmbH Patentabteilung
Postfach 220
D-30002 Hannover / DE
Former [1993/28]
Opponent(s)01  28.09.1992  22.10.1992  ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT, Frankfurt
Werk Knapsack Patentabteilung
D-50354 Hürth / DE
 02  22.03.1993   
Interal Vertriebs GmbH
waldstr. 12
5632 Wermelskirchen / DE
Opponent's representative
Neumann, Joachim
Dönhoffstrasse 32 Postfach 10 09 45
W-5090 Leverkusen 1 / DE
 03  24.03.1993   
SÜD-CHEMIE AG
Lenbachplatz 6
D-80333 München / DE
Opponent's representative
Reitzner, Bruno, Dr.
Patentanwälte Dipl.-Ing. R. Splanemann Dr. B. Reitzner, Dipl.-Ing. K. Baronetzky Tal 13
D-80331 München / DE
 04  24.03.1993   
Scandex Aluminium N.V.
Nijverheidsweg 9 - P.O. Box 102
NL 9600 AC Hoogezand / NL
Opponent's representative
Hatzmann, Marinus J.
Vereenigde Octrooibureau Nieuwe Parklaan 97
NL-2587 BN 's-Gravenhage / NL
 05  24.03.1993  27.04.1993  ADMISSIBLE
Alcon Aluminium Consult GmbH
Benrather Schlossallee 71
D 4000 Düsseldorf / DE
Opponent's representative
Rabus, Werner W., Dipl.-Ing.
Eisenführ, Speiser & Partner, Martinistrasse 24
D-28195 Bremen / DE
 06  22.03.1993   
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
 07  20.03.1993   
Solvay Deutschland GmbH Patentabteilung
Postfach 220
D-30002 Hannover / DE
Former [1993/23]
Opponent(s)01  28.09.1992   
HOECHST AKTIENGESELLSCHAFT, Frankfurt
Werk Knapsack Patentabteilung
D-50354 Hürth / DE
 03  24.03.1993    ADMISSIBLE
SÜD-CHEMIE AG
Lenbachplatz 6
D-80333 München / DE
Opponent's representative
Reitzner, Bruno, Dr.
Patentanwälte Dipl.-Ing. R. Splanemann Dr. B. Reitzner, Dipl.-Ing. K. Baronetzky Tal 13
D-80331 München / DE
 04  24.03.1993    ADMISSIBLE
Scandex Aluminium N.V.
Nijverheidsweg 9 - P.O. Box 102
NL 9600 AC Hoogezand / NL
Opponent's representative
Hatzmann, Marinus J.
Vereenigde Octrooibureau Nieuwe Parklaan 97
NL-2587 BN 's-Gravenhage / NL
 05  24.03.1993    ADMISSIBLE
Alcon Aluminium Consult GmbH
Benrather Schlossallee 71
D 4000 Düsseldorf / DE
Opponent's representative
Rabus, Werner W., Dipl.-Ing.
Eisenführ, Speiser & Partner, Martinistrasse 24
D-28195 Bremen / DE
 06  22.03.1993   
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
 07  20.03.1993    ADMISSIBLE
Solvay Deutschland GmbH Patentabteilung
Postfach 220
D-30002 Hannover / DE
Former [1992/47]
Opponent(s)01  28.09.1992    ADMISSIBLE
HOECHST AKTIENGESELLSCHAFT, Frankfurt
Werk Knapsack Patentabteilung
D-50354 Hürth / DE
19.10.1993Invitation to proprietor to file observations on the notice of opposition
29.04.1994Reply of patent proprietor to notice(s) of opposition
27.06.1995Date of oral proceedings
11.07.1995Despatch of minutes of oral proceedings
11.07.1995Despatch of communication that the patent will be revoked
15.11.1998Legal effect of revocation of patent [1999/01]
Appeal following opposition07.09.1995Appeal received No.  T0748/95
13.11.1995Statement of grounds filed
23.06.1998Invitation to file observations in an appeal (Time limit: M02) [1998/26]
03.07.1998Invitation to file observations in an appeal (Time limit: M02) [1998/27]
22.10.1998Result of appeal procedure: appeal of the proprietor withdrawn
Fees paidRenewal fee
28.02.1992Renewal fee patent year 03
Penalty fee
Penalty fee Rule 85a EPC 1973
02.04.1990DK   M01   Not yet paid
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Lapses during opposition  TooltipAT06.02.1998
GB06.02.1998
LU06.02.1998
ES07.02.1998
SE07.02.1998
BE28.02.1998
CH28.02.1998
LI28.02.1998
GR31.08.1998
NL01.09.1998
[2005/24]
Former [2004/50]AT06.02.1998
GB06.02.1998
LU06.02.1998
ES07.02.1998
SE07.02.1998
BE28.02.1998
CH28.02.1998
LI28.02.1998
NL01.09.1998
GR30.09.1998
Former [2004/38]AT06.02.1998
GB06.02.1998
LU06.02.1998
ES07.02.1998
SE07.02.1998
BE28.02.1998
CH28.02.1998
LI28.02.1998
NL01.09.1998
Former [2000/17]AT06.02.1998
GB06.02.1998
SE07.02.1998
BE28.02.1998
CH28.02.1998
LI28.02.1998
LU28.02.1998
NL01.09.1998
Former [2000/06]AT06.02.1998
GB06.02.1998
SE07.02.1998
BE28.02.1998
LU28.02.1998
NL01.09.1998
Former [1999/27]AT06.02.1998
GB06.02.1998
SE07.02.1998
BE28.02.1998
NL01.09.1998
Former [1999/02]AT06.02.1998
GB06.02.1998
SE07.02.1998
NL01.09.1998
Former [1999/01]AT06.02.1998
SE07.02.1998
NL01.09.1998
Former [1998/47]SE07.02.1998
Documents cited:Search[Y]US3656889  (OLEWINSKI EDWARD W);
 [Y]DE2318653  (ALUMINIUM WALZWERKE SINGEN);
 [Y]DE2443889  (ALLIED COLLOIDS LTD);
 [A]DE3709950  (LINDE AG [DE])
    [ ] - R. HELMER et al.: "Weitergehende Abwasserreinigung", Deutscher Fachschriften-Verlag, Braun & Co. K.G., Mainz - Wiesbaden, DE
    [ ] - CHEMICAL ABSTRACTS, Band 98, Nr. 22, 30. Mai 1983, Seite 332, Zusammenfassung Nr. 184968z, Columbus, Ohio, US; D. COUILLARD: "Phosphate removal form water using wastes arising from aluminum-reducing industries", & EAU QUE. 1983, 16(1), 34-7
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.