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Extract from the Register of European Patents

EP About this file: EP0286967

EP0286967 - Process and device for reducing nitrogen oxides [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  21.03.1989
Database last updated on 03.10.2024
Most recent event   Tooltip21.03.1989Withdrawal of applicationpublished on 10.05.1989 [1989/19]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1988/42]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Held, Wolfgang, Dr.
Wilhelmstrasse 1
D-3180 Wolfsburg / DE
02 / König, Axel, Dr.
Galgenkamp 13
D-3180 Wolfsburg / DE
03 / Puppe, Lothar, Dr.
Am Weiher 10a
D-5093 Burscheid / DE
[1988/42]
Application number, filing date88105499.307.04.1988
[1988/42]
Priority number, dateDE1987371316917.04.1987         Original published format: DE 3713169
[1988/42]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0286967
Date:19.10.1988
Language:DE
[1988/42]
Type: A3 Search report 
No.:EP0286967
Date:19.04.1989
Language:DE
[1989/16]
Search report(s)(Supplementary) European search report - dispatched on:EP28.02.1989
ClassificationIPC:B01D53/34
[1988/42]
CPC:
F01N3/2066 (EP); B01D53/9413 (EP); F01N3/20 (EP);
F01N3/2033 (EP); F01N3/36 (EP); F01N2370/04 (EP);
F01N2610/03 (EP); Y02T10/12 (EP) (-)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1988/42]
TitleGerman:Verfahren und Vorrichtung zur Reduktion von Stickoxiden[1988/42]
English:Process and device for reducing nitrogen oxides[1988/42]
French:Procédé et dispositif pour la réduction d'oxydes d'azote[1988/42]
File destroyed:09.05.1995
Examination procedure07.04.1988Examination requested  [1988/42]
13.03.1989Application withdrawn by applicant  [1989/19]
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Documents cited:Search[AP]DE3642018  (VOLKSWAGEN AG [DE]);
 [A]EP0217480  (MOBIL OIL CORP [US]);
 [A]JPS60156548
 [A]  - IND. ENG. CHEM. PROD. RES. DEV. Band 18, Nr. 4, 1979, Seiten 279-283, Washington USA; T. SEIYAMA et al. "Symposium on Surface Science of Catalysis: Surface Intermediates""Catalytic Reduction of NO with NH3 over CU(II) NaY"
 [A]  - PATENT ABSTRACTS OF JAPAN, Band 9, Nr. 324 (C-320)(2047)Dezember 1985; & JP-A-60 156 548 (TOYO SODA KOGYO K.K) 16-08-1985
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.