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Extract from the Register of European Patents

EP About this file: EP0221403

EP0221403 - Process for separating gaseous impurities from smoke and apparatus for this purpose [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  11.07.1990
Database last updated on 24.08.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
Badenwerk AG
Durlacher Allee 93
76131 Karlsruhe / DE
[N/P]
Former [1987/20]For all designated states
Badenwerk AG
Badenwerkstrasse 2
D-7500 Karlsruhe 1 / DE
Inventor(s)01 / Wittig, Sigmar, Prof, Dr.-Ing.
Hooverstrasse 27
D-7500 Karlsruhe 41 / DE
02 / Voos, Helmut, Dr.-Ing.
Luisenstrasse 10
D-5270 Gummersbach / DE
03 / Schikarski, Wolfgang, Prof. Dr. rer. nat.
Elbingerstrasse 34d
D-7500 Karlsruhe 1 / DE
04 / Hässler, Günther, Dr.-Ing.
Georg-Friedrich-Händelstrasse 7
D-7505 Ettlingen 4 / DE
[1987/20]
Representative(s)Moser, Herbert
Patentanwalt Ettlinger Strasse 2 c
76137 Karlsruhe / DE
[N/P]
Former [1987/20]Moser, Herbert, Dr.-Ing.
Nowackanlage 15
D-76137 Karlsruhe / DE
Application number, filing date86114187.714.10.1986
[1987/20]
Priority number, dateDE1985353827228.10.1985         Original published format: DE 3538272
[1987/20]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0221403
Date:13.05.1987
Language:DE
[1987/20]
Type: A3 Search report 
No.:EP0221403
Date:14.09.1988
Language:DE
[1988/37]
Search report(s)(Supplementary) European search report - dispatched on:EP29.07.1988
ClassificationIPC:B01D53/34
[1987/20]
CPC:
B01D53/60 (EP); B01D53/007 (EP); B01J19/085 (EP);
Y02A50/20 (EP)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1987/20]
TitleGerman:Verfahren zur Abscheidung von gasförmigen Verunreinigungen aus Rauchgasen und Vorrichtung hierzu[1987/20]
English:Process for separating gaseous impurities from smoke and apparatus for this purpose[1987/20]
French:Procédé de séparation d'impuretés gazeuses des gaz de fumée et dispositif à cet effet[1987/20]
File destroyed:19.06.1996
Examination procedure09.09.1988Examination requested  [1988/45]
21.08.1989Despatch of a communication from the examining division (Time limit: M06)
01.03.1990Application deemed to be withdrawn, date of legal effect  [1990/35]
02.04.1990Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [1990/35]
Fees paidRenewal fee
09.09.1988Renewal fee patent year 03
07.08.1989Renewal fee patent year 04
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Documents cited:Search[A]US4372832  (BUSH JOHN R);
 [A]FR1272882  (LINDES EISMASCHINEN AG ZWEIGNI)
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.