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Extract from the Register of European Patents

EP About this file: EP0359997

EP0359997 - Process for the production of sintered dolomite in a rotary kiln [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.06.1993
Database last updated on 01.10.2024
Most recent event   Tooltip03.06.1993No opposition filed within time limitpublished on 21.07.1993 [1993/29]
Applicant(s)For all designated states
Dolomitwerke GmbH
Postfach 1380
D-42480 Wülfrath / DE
[N/P]
Former [1990/13]For all designated states
DOLOMITWERKE GMBH
Postfach 1380
D-42480 Wülfrath / DE
Inventor(s)01 / Hammer, Thomas, Dr.-Ing. Dipl.-Ing.
Berliner Allee 44
D-5860 Iserlohn-Letmathe / DE
02 / Poggenpohl, Heinzjosef, Berg-Ing.grad
Dümpelstrasse 15
D-5800 Hagen-Halden / DE
03 / Prange, Rainer, Dr.-Ing. Dipl.-Chem.
In der Asmecke 17
D-5800 Hagen 8 Dahl / DE
04 / Richrath, Herbert
Eduard-Müller-Strasse 18
D-5800 Hagen / DE
05 / Roeder, Alfred, Dr.rer.nat. Dipl.-Phys.
Falkstrasse 112
D-4100 Duisburg / DE
[1990/13]
Application number, filing date89115149.017.08.1989
[1990/13]
Priority number, dateDE1988382899726.08.1988         Original published format: DE 3828997
[1990/13]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0359997
Date:28.03.1990
Language:DE
[1990/13]
Type: B1 Patent specification 
No.:EP0359997
Date:29.07.1992
Language:DE
[1992/31]
Search report(s)(Supplementary) European search report - dispatched on:EP01.02.1990
ClassificationIPC:C04B2/10
[1990/13]
CPC:
C04B2/102 (EP,US)
Designated contracting statesAT,   BE,   DE,   ES,   FR,   GB,   IT [1990/13]
TitleGerman:Verfahren zur Herstellung von Sinterdolomit in einem Drehrohrofen[1990/13]
English:Process for the production of sintered dolomite in a rotary kiln[1990/13]
French:Procédé de fabrication de dolomite frittée dans un four rotatif[1990/13]
Examination procedure06.03.1990Examination requested  [1990/18]
04.12.1991Despatch of communication of intention to grant (Approval: Yes)
15.01.1992Communication of intention to grant the patent
23.01.1992Fee for grant paid
23.01.1992Fee for publishing/printing paid
Opposition(s)30.04.1993No opposition filed within time limit [1993/29]
Fees paidRenewal fee
26.07.1991Renewal fee patent year 03
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Documents cited:Search[X]DE1078926  (POLYSIUS GMBH);
 [A]DE2203413  (PREROVSKE STROJIRNY NP);
 [A]DE2819038  (POLYSIUS AG);
 [A]US4626198  (COHEN SIDNEY M [US])
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.