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Extract from the Register of European Patents

EP About this file: EP0467913

EP0467913 - METHOD AND APPARATUS FOR RECOVERING HEAT FROM SOLID MATERIAL SEPARATED FROM GASIFICATION OR COMBUSTION PROCESSES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.12.1993
Database last updated on 03.10.2024
Most recent event   Tooltip11.12.1993No opposition filed within time limitpublished on 02.02.1994 [1994/05]
Applicant(s)For all designated states
A. AHLSTROM CORPORATION
29600 Noormarkku / FI
[N/P]
Former [1992/05]For all designated states
A. AHLSTROM CORPORATION
FIN-29600 Noormarkku / FI
Inventor(s)01 / ISAKSSON, Juhani
Kalliokoskenkatu 18
SF-48600 Karhula / FI
02 / OLLILA, Harry
Rantamajantie 3
SF-02700 Kauniainen / FI
[1992/05]
Representative(s)Füchsle, Klaus, et al
Hoffmann - Eitle
ATTENTION : ADDRESS INACTIVE - USE ASS-NR - CDR / DE
[N/P]
Former [1992/05]Füchsle, Klaus, Dipl.-Ing., et al
Hoffmann, Eitle & Partner, Patentanwälte, Postfach 81 04 20
D-81904 München / DE
Application number, filing date90905526.111.04.1990
[1992/05]
WO1990FI00104
Priority number, dateFI1989000174813.04.1989         Original published format: FI 891748
[1992/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9012253
Date:18.10.1990
Language:EN
[1990/24]
Type: A1 Application with search report 
No.:EP0467913
Date:29.01.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 18.10.1990 takes the place of the publication of the European patent application.
[1992/05]
Type: B1 Patent specification 
No.:EP0467913
Date:10.02.1993
Language:EN
[1993/06]
Search report(s)International search report - published on:SE18.10.1990
ClassificationIPC:F23K1/02
[1992/05]
CPC:
C10J3/80 (EP,US); F23C10/002 (EP,US); F23K1/00 (EP,US);
F23K1/02 (KR); C10J2300/0906 (EP,US); C10J2300/1861 (EP,US);
F23J2900/01002 (EP,US); Y02P20/10 (EP,US); Y02P20/129 (EP,US) (-)
Designated contracting statesAT,   DE,   ES,   FR,   GB,   IT [1993/06]
Former [1992/08]DE,  ES,  FR,  GB,  IT 
Former [1992/05]DE,  ES,  FR,  GB,  IT,  LU,  NL,  SE 
TitleGerman:VERFAHREN UND VORRICHTUNG ZUR RÜCKGEWINNUNG VON WÄRME AUS FESTSTOFFEN, WELCHE ABGESONDERT WERDEN BEI VERGASUNGS- ODER VERBRENNUNGSPROZESSEN[1992/05]
English:METHOD AND APPARATUS FOR RECOVERING HEAT FROM SOLID MATERIAL SEPARATED FROM GASIFICATION OR COMBUSTION PROCESSES[1992/05]
French:PROCEDE ET APPAREIL DE RECUPERATION DE LA CHALEUR DE MATERIAUX SOLIDES PROVENANT PAR SEPARATION DE PROCESSUS DE GAZEIFICATION OU DE COMBUSTION[1992/05]
Entry into regional phase11.10.1991National basic fee paid 
11.10.1991Designation fee(s) paid 
11.10.1991Examination fee paid 
Examination procedure19.10.1990Request for preliminary examination filed
International Preliminary Examining Authority: DE
11.10.1991Examination requested  [1992/05]
13.04.1992Despatch of communication of intention to grant (Approval: No)
06.08.1992Despatch of communication of intention to grant (Approval: later approval)
11.08.1992Communication of intention to grant the patent
03.11.1992Fee for grant paid
03.11.1992Fee for publishing/printing paid
Opposition(s)11.11.1993No opposition filed within time limit [1994/05]
Fees paidRenewal fee
30.04.1992Renewal fee patent year 03
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Cited inInternational search[X]US4244706  (FORNEY ALBERT J, et al);
 [Y]US4111158  (REH LOTHAR, et al);
 [X]US4276021  (KARNOFSKY GEORGE B, et al);
 [Y]US4542621  (ANDERSSON MIKAEL [SE], et al);
 [A]US3782913  (DONATH 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.