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Extract from the Register of European Patents

EP About this file: EP0132689

EP0132689 - Process for the preparation of 1-amino-4-bromo-anthraquinone-2-sulfonic acid [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.08.1987
Database last updated on 15.06.2024
Most recent event   Tooltip20.08.1987No opposition filed within time limitpublished on 07.10.1987 [1987/41]
Applicant(s)For all designated states
51368 Leverkusen / DE
Former [1985/07]For all designated states
D-51368 Leverkusen / DE
Inventor(s)01 / Schmitz, Reinold, Dr.
Im Kerberich 36
D-5068 Odenthal / DE
02 / Ohm, Josef, Dr.
Tannenweg 16
D-5090 Leverkusen 3 / DE
03 / Schneider, Jürgen, Dr.
Am Thelensiefen 9
D-5068 Odenthal / DE
Application number, filing date84108047.610.07.1984
Priority number, dateDE1983332656322.07.1983         Original published format: DE 3326563
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
Type: B1 Patent specification 
Search report(s)(Supplementary) European search report - dispatched on:EP12.11.1984
ClassificationIPC:C07C143/665, C07C139/00
C07C303/22 (EP)
C07C303/22, C07C309/53 (EP)
Designated contracting statesCH,   DE,   FR,   GB,   LI [1985/07]
TitleGerman:Verfahren zur Herstellung von 1-Amino-4-bromanthrachinon-2-sulfonsäure[1985/07]
English:Process for the preparation of 1-amino-4-bromo-anthraquinone-2-sulfonic acid[1985/07]
French:Procédé de préparation d'acide 1-amino-4-bromoanthraquinone-2-sulfonique[1985/07]
File destroyed:15.01.2000
Examination procedure10.07.1984Examination requested  [1985/07]
03.09.1985Despatch of a communication from the examining division (Time limit: M04)
12.12.1985Reply to a communication from the examining division
15.01.1986Despatch of communication of intention to grant (Approval: )
22.04.1986Communication of intention to grant the patent
28.04.1986Fee for grant paid
28.04.1986Fee for publishing/printing paid
Opposition(s)30.07.1987No opposition filed within time limit [1987/41]
Fees paidRenewal fee
18.06.1986Renewal fee patent year 03
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Documents cited:SearchDE2551767  [ ] (ICI LTD);
 DE2740889  [ ] (BAYER AG);
 DE2740885  [ ] (BAYER AG);
 DE2303746  [ ];
 CH549625  [ ] (SANDOZ AG);
 US2413790  [ ] (SEYMOUR GEORGE W, et al)
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.