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Extract from the Register of European Patents

EP About this file: EP0335073

EP0335073 - Process for preparing a catalyst for reducing nitrogen oxides and catalyst manufactured by said process [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  07.11.1991
Database last updated on 22.05.2024
Most recent event   Tooltip07.11.1991Change - withdrawalpublished on 27.12.1991 [1991/52]
Applicant(s)For all designated states
DIDIER-WERKE AG
Lessingstrasse 16-18
65189 Wiesbaden / DE
For all designated states
DIERS ENGINEERING GmbH
Alfredstrasse 28
Postfach 10 09 45
45009 Essen / DE
[N/P]
Former [1989/40]For all designated states
DIDIER-WERKE AG
Lessingstrasse 16-18
D-65189 Wiesbaden / DE
For all designated states
DIDIER ENGINEERING GmbH
Alfredstrasse 28 Postfach 10 09 45
D-45009 Essen / DE
Inventor(s)01 / Kainer, Hartmut, Dr.
Am Guldenplan 2g
D-6200 Wiesbaden 12 / DE
02 / Vedder, Bernhard
Unterlindau 18
D-6000 Frankfurt/M. 1 / DE
03 / Grimm, Daniel
Reitallee 18
D-6208 Bad Schwalbach / DE
04 / Schnelle, Wilfried, Dr.
Gabelbornstr. 14
D-6200 Wiesbaden / DE
05 / Kleinevoss, Albert, Dr.
Emser Str. 26
D-4310 Höhr-Grenzhausen / DE
06 / Bühler, Hans-Eugen, Prof.Dr.
Kastanienweg 3c
D-6240 Königstein 3 / DE
07 / Merkel, Klaus
Schönscheidtstr. 8
D-4300 Essen 13 / DE
08 / Flockenhaus, Claus, Prof.Dr.
Tersteegenweg 16
D-4300 Essen 1 / DE
09 / Laue, Karl-Heinrich
Bergische Str. 41
D-4320 Hattingen 16 / DE
10 / Galow, Manfred
Vosseler Weg 2
D-4300 Essen 12 / DE
[1989/40]
Representative(s)Brückner, Raimund
Didier-Werke AG Abraham-Lincoln-Strasse 1
65189 Wiesbaden / DE
[N/P]
Former [1989/40]Brückner, Raimund, Dipl.-Ing.
c/o Didier-Werke AG Lessingstrasse 16-18
D-65189 Wiesbaden / DE
Application number, filing date89101240.325.01.1989
[1989/40]
Priority number, dateDE1988381076130.03.1988         Original published format: DE 3810761
[1989/40]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0335073
Date:04.10.1989
Language:DE
[1989/40]
Search report(s)(Supplementary) European search report - dispatched on:EP01.08.1989
ClassificationIPC:B01D53/36, B01J35/06
[1989/40]
CPC:
B01J35/56 (EP,US); B01D53/8625 (EP,US); B01D53/8628 (EP,US);
B01J37/0225 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1989/40]
TitleGerman:Verfahren zur Herstellung von Katalysatoren für die Verminderung von Stickoxiden und nach dem Verfahren hergestellte Katalysatoren[1989/40]
English:Process for preparing a catalyst for reducing nitrogen oxides and catalyst manufactured by said process[1989/40]
French:Procédé de préparation d'un catalyseur pour réduire les oxydes d'azote et catalyseur préparé par ledit procédé[1989/40]
File destroyed:02.03.1998
Examination procedure10.02.1989Examination requested  [1989/40]
04.07.1991Despatch of a communication from the examining division (Time limit: M04)
25.10.1991Application withdrawn by applicant  [1991/52]
Fees paidRenewal fee
17.12.1990Renewal fee patent year 03
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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.
Documents cited:Search[A]GB2026336  (HITACHI SHIPBUILDING ENG CO);
 [A]EP0213271  (DIDIER WERKE AG [DE]);
 [A]EP0218014  (DIDIER ENG [DE], et al);
 [A]DE3610338  (KRAFTWERK UNION AG [DE])
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.