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Extract from the Register of European Patents

EP About this file: EP0075124

EP0075124 - Catalyst for the combustion of noxious substances in waste gases of combustion engines operating on alcohol, process for the preparation of the catalyst and its use [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.10.1986
Database last updated on 16.07.2024
Most recent event   Tooltip30.10.1986No opposition filed within time limitpublished on 17.12.1986 [1986/51]
Applicant(s)For all designated states
Degussa GmbH
Weissfrauenstrasse 9
60311 Frankfurt / DE
[N/P]
Former [1983/13]For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Inventor(s)01 / Domesle, Rainer, Dr.
Wingertstrasse 202
D-6457 Maintal / DE
02 / Koberstein, Edgar, Dr.
Wolfskernstrasse 8
D-8755 Alzenau / DE
03 / Pletka, Hans-Dieter, Dr.
Im Schwalbengrund 20
D-6463 Freigericht 1 / DE
04 / Völker, Herbert
Bogenstrasse 43
D-6450 Hanau 11 / DE
[1983/13]
Application number, filing date82107782.325.08.1982
[1983/13]
Priority number, dateDE1981313716918.09.1981         Original published format: DE 3137169
[1983/13]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0075124
Date:30.03.1983
Language:DE
[1983/13]
Type: A3 Search report 
No.:EP0075124
Date:05.09.1984
Language:DE
[1984/36]
Type: B1 Patent specification 
No.:EP0075124
Date:02.01.1986
Language:DE
[1986/01]
Search report(s)(Supplementary) European search report - dispatched on:EP03.07.1984
ClassificationIPC:B01J35/04, B01J37/02, B01J23/56, B01D53/36
[1986/01]
CPC:
B01J37/024 (EP,US); B01D53/8668 (EP,US); B01D53/944 (EP,US);
B01J23/58 (EP,US); B01J23/63 (EP,US); Y02A50/20 (EP,US)
Former IPC [1984/37]B01J35/04, B01J37/02, B01D53/36, B01D53/36
Former IPC [1983/13]B01J23/56, B01J37/02, B01D53/36
Designated contracting statesDE,   FR,   GB,   IT [1983/13]
TitleGerman:Katalysator für die Verbrennung von in Abgasen alkoholbetriebener Verbrennungskraftmaschinen enthaltenen Schadstoffen, Verfahren zur Herstellung des Katalysators und Verwendung[1983/13]
English:Catalyst for the combustion of noxious substances in waste gases of combustion engines operating on alcohol, process for the preparation of the catalyst and its use[1983/13]
French:Catalyseur pour la combustion de substances nocives contenues dans les gaz d'échappement des machines de combustion à alcool, procédé pour la préparation du catalyseur et son utilisation[1983/13]
Examination procedure25.08.1982Examination requested  [1983/13]
31.05.1985Despatch of communication of intention to grant (Approval: )
21.06.1985Communication of intention to grant the patent
16.08.1985Fee for grant paid
16.08.1985Fee for publishing/printing paid
Opposition(s)03.10.1986No opposition filed within time limit [1986/51]
Fees paidRenewal fee
03.08.1984Renewal fee patent year 03
23.07.1985Renewal fee patent year 04
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Documents cited:Search[X]GB2036585  (DEGUSSA);
 [X]GB2005149  (DEGUSSA);
 [X]FR2385665  (JOHNSON MATTHEY CO LTD [GB]);
 [E]GB2079174  (GEN MOTORS CORP)
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.