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Extract from the Register of European Patents

EP About this file: EP0024667

EP0024667 - Process for the manufacture of fluid dyestuff preparations, and their use [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  21.06.1988
Database last updated on 03.10.2024
Most recent event   Tooltip17.04.2015Change - lapse in a contracting state
State(s) deleted from list of lapses: CH, LI
published on 20.05.2015  [2015/21]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1981/10]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Koll, Jochen, Ing.grad.
Am Telegraf 40
D-5068 Odenthal 3 / DE
02 / Mölls, Hans-Heinz, Dr.
Max-Beckmann-Strasse 29
D-5090 Leverkusen / DE
03 / Hörnle, Reinhold, Dr.
Hufelandstrasse 42
D-5000 Köln 80 / DE
04 / Schuffenhauer, Erhard, Ing.grad.
Carl-Duisberg-Strasse 310
D-5090 Leverkusen / DE
05 / Brandt, Horst, Dr.
Antoniusstrasse 4
D-5068 Odenthal / DE
06 / Bremer, Fritz, Dr.
Paul-Klee-Strasse 64
D-5090 Leverkusen / DE
07 / Wolf, Karlheinz, Dr.
Paul-Klee-Strasse 77
D-5090 Leverkusen / DE
08 / Schiwy, Willy
Schubert Strasse 9
D-4019 Monheim / DE
[1981/10]
Application number, filing date80104892.716.08.1980
[1981/10]
Priority number, dateDE1979293494929.08.1979         Original published format: DE 2934949
[1981/10]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0024667
Date:11.03.1981
Language:DE
[1981/10]
Type: A3 Search report 
No.:EP0024667
Date:18.03.1981
Language:DE
[1981/11]
Type: B1 Patent specification 
No.:EP0024667
Date:04.05.1983
Language:DE
[1983/18]
Search report(s)(Supplementary) European search report - dispatched on:EP15.01.1981
ClassificationIPC:C09B67/40, C09B67/46
[1981/10]
CPC:
C09B67/0082 (EP,US); C09B67/0091 (EP,US); C09B67/0096 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1981/10]
TitleGerman:Verfahren zur Herstellung flüssiger Farbstoffzusammensetzungen und deren Verwendung[1981/10]
English:Process for the manufacture of fluid dyestuff preparations, and their use[1981/10]
French:Procédé de fabrication de préparations de colorants fluides et leur utilisation[1981/10]
Examination procedure16.08.1980Examination requested  [1981/10]
24.02.1982Despatch of a communication from the examining division (Time limit: M02)
03.04.1982Reply to a communication from the examining division
09.08.1982Despatch of communication of intention to grant (Approval: )
29.10.1982Communication of intention to grant the patent
05.11.1982Fee for grant paid
05.11.1982Fee for publishing/printing paid
Opposition(s)Opponent(s)01  03.02.1984   
CIBA-GEIGY AG Patentabteilung
Postfach
CH-4002 Basel / CH
Opponent's representative
Zumstein sen., Fritz, et al, et al
Dr. F. Zumstein sen. Dr. E. Assmann Dipl.-Ing. F. Klingseisen Dr. F. Zumstein jun. Bräuhausstrasse 4
D-80331 München / DE
 [N/P]
Former [1984/19]
Opponent(s)01  03.02.1984   
CIBA-GEIGY AG Patentabteilung
Postfach
CH-4002 Basel / CH
Opponent's representative
Zumstein, Fritz sen., Dr., et al, et al
Dr. F. Zumstein sen. Dr. E. Assmann Dipl.-Ing. F. Klingseisen Dr. F. Zumstein jun. Bräuhausstrasse 4
D-80331 München / DE
05.03.1984Invitation to proprietor to file observations on the notice of opposition
13.05.1984Reply of patent proprietor to notice(s) of opposition
23.05.1985Despatch of a communication from the opposition division (Time limit: M02)
03.08.1985Reply to a communication from the opposition division
05.03.1986Despatch of a communication from the opposition division (Time limit: M06)
07.08.1986Reply to a communication from the opposition division
21.08.1987Communication of observations of patent proprietor (Time limit: M02)
30.09.1987Reply of parties involved to observations of patent proprietor
09.03.1988Despatch of communication that the patent will be revoked
19.03.1988Legal effect of revocation of patent [1988/32]
Fees paidRenewal fee
16.08.1982Renewal fee patent year 03
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Lapses during opposition  Tooltipdeleted
[2015/21]
Former [1989/27]CH04.05.1983
LI04.05.1983
Documents cited:Search[D]DE2204725  (CIBA GEIGY AG);
 [D]DE2358080  (ICI LTD);
 [D]DE2643214  (BAYER AG);
 [AP]GB2014597  (ICI LTD);
 [AD]DE1469606  (BASF AG)
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.