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Extract from the Register of European Patents

EP About this file: EP0169483

EP0169483 - Heterocyclic azo dyes [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.09.1990
Database last updated on 17.09.2024
Most recent event   Tooltip08.09.1990No opposition filed within time limitpublished on 31.10.1990 [1990/44]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1986/05]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Bergmann, Udo, Dr.
Merckstrasse 26
D-6100 Darmstadt / DE
02 / Hahn, Erwin, Dr.
Am Buechsenackerhang 31
D-6900 Heidelberg / DE
03 / Hansen, Guenter, Dr.
Alwin-Mittasch-Platz 8
D-6700 Ludwigshafen / DE
[1986/05]
Application number, filing date85108902.916.07.1985
[1986/05]
Priority number, dateDE1984342720124.07.1984         Original published format: DE 3427201
[1986/05]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0169483
Date:29.01.1986
Language:DE
[1986/05]
Type: A3 Search report 
No.:EP0169483
Date:08.10.1986
Language:DE
[1986/41]
Type: B1 Patent specification 
No.:EP0169483
Date:15.11.1989
Language:DE
[1989/46]
Search report(s)(Supplementary) European search report - dispatched on:EP20.08.1986
ClassificationIPC:C09B29/033, D06P1/18, C09B29/36
[1986/05]
CPC:
C09B29/0059 (EP,US); C09B29/3691 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1986/05]
TitleGerman:Heterocyclische Azofarbstoffe[1986/05]
English:Heterocyclic azo dyes[1986/05]
French:Colorants azoiques hétérocycliques[1986/05]
Examination procedure16.01.1987Examination requested  [1987/13]
04.12.1987Despatch of a communication from the examining division (Time limit: M04)
08.04.1988Reply to a communication from the examining division
04.07.1988Despatch of a communication from the examining division (Time limit: M04)
29.10.1988Reply to a communication from the examining division
27.02.1989Despatch of communication of intention to grant (Approval: No)
14.04.1989Despatch of communication of intention to grant (Approval: later approval)
21.04.1989Communication of intention to grant the patent
31.07.1989Fee for grant paid
31.07.1989Fee for publishing/printing paid
Opposition(s)17.08.1990No opposition filed within time limit [1990/44]
Fees paidRenewal fee
21.07.1987Renewal fee patent year 03
23.07.1988Renewal fee patent year 04
21.07.1989Renewal fee patent year 05
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Documents cited:Search[Y]FR2388860  (ICI LTD [GB]);
 [Y]FR2401960  (BASF AG [DE])
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.