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Extract from the Register of European Patents

EP About this file: EP0337411

EP0337411 - Process for preparing an acidic passivating bath for zinc, zinc alloys an cadmium surfaces, containing chromium III and fluoride [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.09.1994
Database last updated on 31.08.2024
Most recent event   Tooltip29.08.2008Change - representativepublished on 01.10.2008  [2008/40]
Applicant(s)For all designated states
SurTec GmbH
Untergasse 47
D-65468 Trebur / DE
[1993/26]
Former [1993/15]For:AT  BE  CH  DE  ES  FR  GR  IT  LI  LU  NL  SE 
UNILEVER N.V.
Weena 455
NL-3013 AL Rotterdam / NL
For:GB 
UNILEVER PLC
Unilever House Blackfriars
London EC4P 4BQ / GB
Former [1993/09]For all designated states
UNILEVER N.V.
Weena 455
NL-3013 AL Rotterdam / NL
For all designated states
UNILEVER PLC
Unilever House Blackfriars
London EC4P 4BQ / GB
Former [1989/42]For all designated states
UNILEVER N.V.
Weena 455
NL-3013 AL Rotterdam / NL
For all designated states
UNILEVER PLC
Unilever House Blackfriars
London EC4P 4BQ / GB
Inventor(s)01 / Klos, Klaus-Peter
Am Mittelpfad 26
D-6097 Trebur 2 / DE
02 / Lindemann, Karl-Heinz
Unterg. 45
D-6097 Trebur 2 / DE
03 / Birnstiel, Willi
Bergstr. 95
D-6102 Pfungstadt / DE
[1993/47]
Former [1989/42]01 / Klos, Klaus-Peter
Am Mittelpfad 26
D-6097 Trebur 2 / DE
02 / Lindemann, Karl-Heinz
Untergasse 45
D-6097 Trebur 2 / DE
03 / Birnstiel, Willi
Bergstrasse 95
D-6102 Pfungstadt / DE
Representative(s)Winter, Brandl - Partnerschaft mbB
Alois-Steinecker-Straße 22
85354 Freising / DE
[N/P]
Former [2008/40]Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei
Alois-Steinecker-Strasse 22
85354 Freising / DE
Former [1993/38]KUHNEN, WACKER & PARTNER
Alois-Steinecker-Strasse 22
D-85354 Freising / DE
Former [1993/26]Berendt, Thomas, Dr.rer.nat. Dipl.-Chem.
Patentanwälte Dr.rer.nat. Dipl.-Chem. Th. Berendt Dr.Ing. Hans Leyh Dipl.-Ing. Hartmut Hering Innere Wiener Strasse 20
D-81667 München / DE
Former [1989/42]Berendt, Thomas, Dr.rer.nat. Dipl.-Chem.
Patentanwälte Dr.rer.nat. Dipl.-Chem. Th. Berendt Dr.Ing. Hans Leyh Dipl.-Ing. Hartmut Hering Innere Wiener Strasse 20
D-81667 München / DE
Application number, filing date89106447.911.04.1989
[1989/42]
Priority number, dateDE1988381207612.04.1988         Original published format: DE 3812076
[1989/42]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0337411
Date:18.10.1989
Language:DE
[1989/42]
Type: A3 Search report 
No.:EP0337411
Date:09.05.1990
Language:DE
[1990/19]
Type: B1 Patent specification 
No.:EP0337411
Date:24.11.1993
Language:DE
[1993/47]
Search report(s)(Supplementary) European search report - dispatched on:EP19.03.1990
ClassificationIPC:C23C22/34
[1989/42]
CPC:
C23C22/34 (EP); C23C2222/10 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1989/42]
TitleGerman:Verfahren zur Herstellung eines sauren chrom-(III)-haltigen und fluoridhaltigen Passivierungsbades für Oberflächen aus Zink, Zinklegierungen und Cadmium[1989/42]
English:Process for preparing an acidic passivating bath for zinc, zinc alloys an cadmium surfaces, containing chromium III and fluoride[1989/42]
French:Procédé de préparation d'un bain acide pour passiver du zinc, des alliages de zinc et du cadmium, contenant du chrome III et un fluorure[1989/42]
Examination procedure18.05.1990Examination requested  [1990/29]
18.02.1992Despatch of a communication from the examining division (Time limit: M05)
17.07.1992Reply to a communication from the examining division
01.12.1992Despatch of communication of intention to grant (Approval: Yes)
04.03.1993Communication of intention to grant the patent
26.04.1993Fee for grant paid
26.04.1993Fee for publishing/printing paid
Opposition(s)25.08.1994No opposition filed within time limit [1994/46]
Fees paidRenewal fee
20.12.1990Renewal fee patent year 03
25.04.1992Renewal fee patent year 04
16.04.1993Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipES24.11.1993
GR24.11.1993
IT24.11.1993
[2008/01]
Former [2002/24]ES24.11.1993
GR24.11.1993
IT24.11.1993
Former [2000/04]GR24.11.1993
IT24.11.1993
Former [1999/42]IT24.11.1993
Documents cited:Search[A]DE2166737  (DU PONT);
 [AD]US4171231  (BISHOP CRAIG V [US], et al);
 [AD]US4263059  (GUHDE DONALD J, et al);
 [A]GB2059445  (RICHARDSON CHEMICAL CO);
 [YD]GB2097024  (HOOKER CHEMICALS PLASTICS CORP);
 [A]US4578122  (CROTTY DAVID E [US]);
 [X]US4705576  (KLOS KLAUS-PETER [DE], et al)
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.