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Extract from the Register of European Patents

EP About this file: EP0027887

EP0027887 - Azodyestuffs, their preparation and use in dyeing synthetic fibres [Right-click to bookmark this link]
Former [1981/18]Azodyestuffs, their preparation and use in dyeing synthetic fibres, and the preparation of aniline coupling components
[1983/19]
StatusNo opposition filed within time limit
Status updated on  01.04.1984
Database last updated on 29.06.2024
Most recent event   Tooltip01.04.1984No opposition filed within time limitpublished on 06.06.1984 [1984/23]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1981/18]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Hamprecht, Rainer, Dr.
Saarstrasse 4
D-5000 Koeln 40 / DE
02 / Leverenz, Klaus, Dr.
Heymannstrasse 44
D-5090 Leverkusen 1 / DE
[1981/18]
Application number, filing date80105527.815.09.1980
[1981/18]
Priority number, dateDE1979293863325.09.1979         Original published format: DE 2938633
[1981/18]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0027887
Date:06.05.1981
Language:DE
[1981/18]
Type: A3 Search report 
No.:EP0027887
Date:22.07.1981
Language:DE
[1981/29]
Type: B1 Patent specification 
No.:EP0027887
Date:11.05.1983
Language:DE
[1983/19]
Search report(s)(Supplementary) European search report - dispatched on:EP19.05.1981
ClassificationIPC:C09B29/085, D06P1/18, D06P3/00, // C07C143/72
[1981/18]
CPC:
C09B29/0833 (EP,US); Y10S534/02 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI [1981/18]
TitleGerman:Azofarbstoffe, deren Herstellung und Verwendung zum Färben von Synthesefasern[1983/19]
English:Azodyestuffs, their preparation and use in dyeing synthetic fibres[1983/19]
French:Colorants azoiques, leur préparation et leur utilisation pour la teinture de fibres synthétiques[1983/19]
Former [1981/18]Azofarbstoffe, deren Herstellung und Verwendung zum Färben von Synthesefasern sowie die Herstellung von anilinischen Kupplungskomponenten
Former [1981/18]Azodyestuffs, their preparation and use in dyeing synthetic fibres, and the preparation of aniline coupling components
Former [1981/18]Colorants azoiques, leur préparation et leur utilisation pour la teinture de fibres synthétiques ainsi que la préparation de composants de copulants aniline
Examination procedure15.09.1980Examination requested  [1981/18]
01.10.1981Despatch of a communication from the examining division (Time limit: M04)
29.01.1982Reply to a communication from the examining division
16.03.1982Despatch of a communication from the examining division (Time limit: M02)
19.04.1982Reply to a communication from the examining division
16.08.1982Despatch of communication of intention to grant (Approval: )
09.11.1982Communication of intention to grant the patent
16.11.1982Fee for grant paid
16.11.1982Fee for publishing/printing paid
Opposition(s)14.02.1984No opposition filed within time limit [1984/22]
Fees paidRenewal fee
16.09.1982Renewal fee patent year 03
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Documents cited:Search[X]FR2383924  (BAYER AG [DE]);
 [X]FR2318205  (CIBA GEIGY AG [CH]);
 US3405118  [ ] (FRANCESCO SARTORI MARIO)
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.