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Extract from the Register of European Patents

EP About this file: EP0062930

EP0062930 - Process for producing a gas containing sulphur trioxide for waste gas purification in an electrostatic precipitator [Right-click to bookmark this link]
StatusPatent maintained as amended
Status updated on  18.12.1992
Database last updated on 21.12.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
METALLGESELLSCHAFT AG
Postfach 10 15 01
60015 Frankfurt / DE
[N/P]
Former [1982/42]For all designated states
METALLGESELLSCHAFT AG
Postfach 10 15 01, Reuterweg 14
D-60015 Frankfurt / DE
Inventor(s)01 / Bode, Hans-Jürgen
Freiherr-vom-Stein-Strasse 19
D-6000 Frankfurt am Main / DE
02 / Leussler, Wilhelm
Westerbachstrasse 255
D-6230 Frankfurt am Main 80 / DE
03 / Graubner, Hans Joachim
Roter Weingartenweg 48
D-6232 Bad Soden (Ts.) / DE
04 / Reissmann, Helmut, Dr.
Fasanenstrasse 7
D-6380 Bad Homburg / DE
05 / Schummer, Helmut
Gustav-Adolf-Strasse 27
D-6056 Heusenstamm / DE
06 / Mayer-Schwinning, Gernot
In den Hessengärten 8
D-6380 Bad Homburg / DE
[1982/42]
Representative(s)Rieger, Harald (DE)
Reuterweg 14
D-60323 Frankfurt / DE
[N/P]
Former [1986/46]Rieger, Harald, Dr.
Reuterweg 14
D-60323 Frankfurt / DE
Former [1986/28]Rieger, Harald, Dr.
Reuterweg 14
D-60323 Frankfurt / DE
Former [1982/42]Fischer, Ernst, Dr.
Reuterweg 14
D-60323 Frankfurt / DE
Application number, filing date82200153.311.02.1982
[1982/42]
Priority number, dateDE1981310870907.03.1981         Original published format: DE 3108709
DE1981310984714.03.1981         Original published format: DE 3109847
DE1981312366615.06.1981         Original published format: DE 3123666
[1982/42]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0062930
Date:20.10.1982
Language:DE
[1982/42]
Type: B1 Patent specification 
No.:EP0062930
Date:22.05.1985
Language:DE
[1985/21]
Type: B2 New European patent specification 
No.:EP0062930
Date:03.02.1993
Language:DE
[1993/05]
Search report(s)(Supplementary) European search report - dispatched on:EP16.08.1982
ClassificationIPC:C01B17/54
[1982/42]
CPC:
B01D51/10 (EP); C01B17/76 (EP,KR); B01D53/34 (KR);
B01D53/8609 (EP); B03C3/013 (EP)
Designated contracting statesAT,   DE,   FR,   GB,   IT [1982/42]
TitleGerman:Verfahren zum Erzeugen eines schwefeltrioxidhaltigen Gases für die Abgasreinigung im Elektrofilter[1982/42]
English:Process for producing a gas containing sulphur trioxide for waste gas purification in an electrostatic precipitator[1982/42]
French:Procédé pour la production d'un gaz contenant du trioxyde de soufre pour la purification de gaz d'échappement dans un appareil de précipitation électrostatique[1982/42]
Examination procedure23.03.1983Examination requested  [1983/22]
22.12.1983Despatch of a communication from the examining division (Time limit: M04)
29.03.1984Reply to a communication from the examining division
17.08.1984Despatch of communication of intention to grant (Approval: )
06.11.1984Communication of intention to grant the patent
05.12.1984Fee for grant paid
05.12.1984Fee for publishing/printing paid
Opposition(s)Opponent(s)01  15.02.1986  21.03.1986  ADMISSIBLE
WALTHER & CIE AG
Waltherstrasse 51
D-51069 Köln / DE
 [1986/15]
24.03.1986Invitation to proprietor to file observations on the notice of opposition
22.07.1986Reply of patent proprietor to notice(s) of opposition
01.08.1986Communication of observations of patent proprietor (Time limit: M02)
02.10.1986Reply of parties involved to observations of patent proprietor
12.03.1987Reply to a communication from the opposition division
08.05.1987Despatch of a communication from the opposition division (Time limit: {0})
08.09.1989Legal effect of interlocutory decision in opposition
28.09.1989Despatch of interlocutory decision in opposition
09.09.1992Despatch of communication that the patent will be maintained as amended
28.09.1992Fee for printing new specification paid
Appeal following opposition15.11.1989Appeal received No.  T0725/89
18.11.1989Statement of grounds filed
20.05.1992Result of appeal procedure: appeal of the opponent was rejected
20.05.1992Date of oral proceedings
27.05.1992Minutes of the oral proceedings despatched
Fees paidRenewal fee
29.03.1984Renewal fee patent year 03
15.12.1984Renewal fee patent year 04
Penalty fee
Additional fee for renewal fee
01.03.198403   M06   Fee paid on   29.03.1984
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Documents cited:SearchUS3424560  [ ] (CARMASSI MICHEL, et al);
 US3993429  [ ] (ARCHER WILLIAM E)
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.