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Extract from the Register of European Patents

EP About this file: EP0049748

EP0049748 - Iron-blue pigment, process for preparing it and its use [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  25.01.1985
Database last updated on 29.06.2024
Most recent event   Tooltip25.01.1985No opposition filed within time limitpublished on 27.03.1985 [1985/13]
Applicant(s)For all designated states
Degussa GmbH
Weissfrauenstrasse 9
60311 Frankfurt / DE
[N/P]
Former [1982/16]For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
D-60311 Frankfurt / DE
Inventor(s)01 / Gratzfeld, Everhard
Kleiststrasse 8
D-5047 Wesseling / DE
02 / Clausen, Eva
Gartenstrasse 43
D-5000 Köln 50 / DE
03 / Reinhardt, Helmut, Dr.
Auf dem Stumpelrott 9
D-5000 Köln 50 / DE
04 / Schaefer, Hans, Dr.
Liesingstrasse 10
D-6450 Hanau / DE
[1982/16]
Application number, filing date81106246.211.08.1981
[1982/16]
Priority number, dateDE1980303828510.10.1980         Original published format: DE 3038285
[1982/16]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0049748
Date:21.04.1982
Language:DE
[1982/16]
Type: B1 Patent specification 
No.:EP0049748
Date:21.03.1984
Language:DE
[1984/12]
Search report(s)(Supplementary) European search report - dispatched on:EP08.01.1982
ClassificationIPC:C09C1/26
[1982/16]
CPC:
C09C1/26 (EP,US); C01P2006/60 (US); C01P2006/80 (US)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL [1982/16]
TitleGerman:Eisenblau-Pigment, Verfahren zur Herstellung desselben und Verwendung[1982/16]
English:Iron-blue pigment, process for preparing it and its use[1982/16]
French:Pigment bleu à cyanure de fer, procédé de préparation et utilisation[1982/16]
Examination procedure11.08.1981Examination requested  [1982/16]
19.11.1982Despatch of a communication from the examining division (Time limit: M04)
22.03.1983Reply to a communication from the examining division
09.05.1983Despatch of communication of intention to grant (Approval: )
02.08.1983Communication of intention to grant the patent
25.10.1983Fee for grant paid
25.10.1983Fee for publishing/printing paid
Opposition(s)22.12.1984No opposition filed within time limit [1985/13]
Fees paidRenewal fee
03.08.1983Renewal fee patent year 03
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Documents cited:SearchDE2453014  [ ] (DEGUSSA);
 DE2638228  [ ] (DEGUSSA)
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.