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Extract from the Register of European Patents

EP About this file: EP0327419

EP0327419 - Basic aluminium chloride sulfate, process for its preparation, its use as a floculating agent [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  26.04.2002
Database last updated on 03.09.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
Atofina
4/8 Cours Michelet
92800 Puteaux / FR
[2000/34]
Former [1989/32]For all designated states
ELF ATOCHEM S.A.
4 & 8, Cours Michelet La Défense 10
F-92800 Puteaux / FR
Inventor(s)01 / Cuer, Jean-Pierre
29 Rue de Bochu
F-69340 Francheville le Haut / FR
02 / Aubineau, Claude
24 Chemin de la Courtille
F-69110 Sainte-Foy- les Lyon / FR
03 / Bonnel, Claudine
5 Rue Emmanuel Bourneuf
F-95220 Herblay / FR
[1989/32]
Representative(s)Eggert, Hans-Gunther
Gesthuysen, von Rohr & Eggert Postfach 10 13 54
45013 Essen / DE
[N/P]
Former [1997/09]Eggert, Hans-Gunther, Dr.
Räderscheidtstrasse 1
50935 Köln / DE
Application number, filing date89400156.919.01.1989
[1989/32]
Priority number, dateFR1988000105629.01.1988         Original published format: FR 8801056
[1989/32]
Filing languageFR
Procedural languageFR
PublicationType: A1 Application with search report 
No.:EP0327419
Date:09.08.1989
Language:FR
[1989/32]
Type: B1 Patent specification 
No.:EP0327419
Date:10.05.1995
Language:FR
[1995/19]
Type: B2 New European patent specification 
No.:EP0327419
Date:12.06.2002
Language:FR
[2002/24]
Search report(s)(Supplementary) European search report - dispatched on:EP12.06.1989
ClassificationIPC:C01F7/68, C02F1/52
[1989/32]
CPC:
C02F1/5245 (EP,US); C01F7/76 (KR); C01F7/68 (KR);
C01F7/74 (KR); C01F7/78 (EP,US); C01F7/786 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1989/32]
TitleGerman:Basisches Aluminiumchloridsulfat, Verfahren zu seiner Herstellung und seine Verwendung als Flockulierungsmittel[1989/32]
English:Basic aluminium chloride sulfate, process for its preparation, its use as a floculating agent[1989/32]
French:Chlorosulfate basique d'aluminium, son procédé de fabrication, son utilisation comme agent floculant[1989/32]
Examination procedure23.01.1989Examination requested  [1989/32]
18.05.1992Despatch of a communication from the examining division (Time limit: M04)
23.10.1992Reply to a communication from the examining division
17.03.1993Despatch of a communication from the examining division (Time limit: M04)
26.08.1993Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time
05.11.1993Reply to a communication from the examining division
28.09.1994Despatch of communication of intention to grant (Approval: Yes)
11.11.1994Communication of intention to grant the patent
09.01.1995Fee for grant paid
09.01.1995Fee for publishing/printing paid
Opposition(s)Opponent(s)01  09.02.1996  22.03.1996  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 02  09.02.1996  22.03.1996  ADMISSIBLE
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
 [N/P]
Former [1996/16]
Opponent(s)01  09.02.1996  22.03.1996  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
 02  09.02.1996  22.03.1996  ADMISSIBLE
Giulini Chemie GmbH
Postfach 15 04 80
D-67029 Ludwigshafen / DE
Former [1996/14]
Opponent(s)01  09.02.1996  22.03.1996  ADMISSIBLE
Metallgesellschaft AG, Frankfurt/M
-ZA Recht und Patente- Reuterweg 14 Postfach 10 15 01
D-60271 Frankfurt am Main / DE
deletedDeletion: Legal effect of rejection of opposition [ N /P ]
27.03.1996Invitation to proprietor to file observations on the notice of opposition
02.09.1996Reply of patent proprietor to notice(s) of opposition
16.04.1997Date of oral proceedings
30.06.1997Despatch of minutes of oral proceedings
30.06.1997Date of despatch of rejection of opposition
25.05.2001Despatch of a communication from the opposition division (Time limit: M02)
06.06.2001Reply to a communication from the opposition division
01.10.2001Despatch of interlocutory decision in opposition
11.10.2001Legal effect of interlocutory decision in opposition
23.01.2002Despatch of communication that the patent will be maintained as amended
06.02.2002Fee for printing new specification paid
Appeal following opposition25.08.1997Appeal received No.  T0914/97
31.10.1997Statement of grounds filed
22.02.2001Result of appeal procedure: maintenance in amended form
22.02.2001Date of oral proceedings
28.02.2001Minutes of the oral proceedings despatched
Request for further processing for:05.11.1993Request for further processing filed
05.11.1993Full payment received (date of receipt of payment)
Request granted
01.12.1993Decision despatched
Fees paidRenewal fee
17.12.1990Renewal fee patent year 03
10.01.1992Renewal fee patent year 04
15.01.1993Renewal fee patent year 05
11.01.1994Renewal fee patent year 06
10.01.1995Renewal fee patent year 07
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Lapses during opposition  TooltipNL10.05.1995
[2003/07]
Documents cited:Search[YD]FR2036685  (TAKI FERTILIZER MANUFAC);
 [A]FR2125337  (KALI CHEMIE AG [DE]);
 [Y]LU69890  ;
 [X]FR2317227  (RHONE POULENC IND [FR]);
 [A]WO8101403  (BOLIDEN AB [SE], et al);
 [AD]FR2534897  (UGINE KUHLMANN [FR]);
 [A]EP0207811  (DOW CHEMICAL CO [US])
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.