Extract from the Register of European Patents

EP About this file: EP0157156

EP0157156 - Continuous process for the preparation of manganese carbonate [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.08.1988
Database last updated on 28.03.2026
Most recent event   Tooltip24.08.1988No opposition filed within time limitpublished on 12.10.1988 [1988/41]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1985/41]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Hofmann, Bernhard, Dr.
Schaesbergstrasse 3
D-5030 Hürth / DE
02 / Lehr, Klaus, Dr.
Am Grünen Weg 10
D-5030 Hürth / DE
03 / Heymer, Gero, Dr.
Fasanenaue 12
D-5042 Erftstadt / DE
[1985/41]
Application number, filing date85102010.723.02.1985
[1985/41]
Priority number, dateDE1984340803305.03.1984         Original published format: DE 3408033
[1985/41]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0157156
Date:09.10.1985
Language:DE
[1985/41]
Type: B1 Patent specification 
No.:EP0157156
Date:21.10.1987
Language:DE
[1987/43]
Search report(s)(Supplementary) European search report - dispatched on:EP05.08.1985
ClassificationIPC:C01G45/00
[1985/41]
CPC:
C01G45/02 (EP); C01G45/00 (EP); H01M4/50 (EP);
C01P2004/61 (EP); C01P2006/11 (EP); C01P2006/80 (EP);
Y02E60/10 (EP) (-)
Designated contracting statesBE,   DE,   FR,   GB [1985/41]
TitleGerman:Kontinuierliches Verfahren zur Herstellung von Mangan-Karbonat[1985/41]
English:Continuous process for the preparation of manganese carbonate[1985/41]
French:Procédé continu de préparation du carbonate de manganèse[1985/41]
File destroyed:15.07.1996
Examination procedure22.10.1985Examination requested  [1986/01]
06.10.1986Despatch of a communication from the examining division (Time limit: M04)
24.10.1986Reply to a communication from the examining division
14.01.1987Despatch of a communication from the examining division (Time limit: M04)
24.02.1987Reply to a communication from the examining division
02.04.1987Despatch of communication of intention to grant (Approval: )
21.04.1987Communication of intention to grant the patent
08.07.1987Fee for grant paid
08.07.1987Fee for publishing/printing paid
Opposition(s)22.07.1988No opposition filed within time limit [1988/41]
Fees paidRenewal fee
17.01.1987Renewal fee patent year 03
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Documents cited:Search[A]   INDUSTRIAL AND ENGINEERING CHEMISTRY, Band 31, Oktober 1939, Seiten 1272-1274, American Chemical Society, US; K.A. KOBE u.a.: "Precipitation of manganous carbonate" [A]
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