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Extract from the Register of European Patents

EP About this file: EP0241918

EP0241918 - 1-Hydroxy-2-pyridinones, process for their preparation and medicines containing them, as well as intermediates formed by the preparation of 1-hydroxy-2-pyridinones [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  01.04.1993
Database last updated on 24.04.2024
Most recent event   Tooltip01.04.1993No opposition filed within time limitpublished on 19.05.1993 [1993/20]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1987/43]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Lohaus, Gerhard, Dr.
Uhlandweg 4
D-6233 Kelkheim (Taunus) / DE
02 / Dittmar, Walter, Dr.
Uhlandstrasse 10
D-6238 Hofheim am Taunus / DE
03 / Hänel, Heinz, Dr.
Tannenwaldallee 80
D-6380 Bad Homburg / DE
04 / Raether, Wolfgang, Dr.
Falkensteinstrasse 6
D-6072 Dreieich / DE
05 / Reuschling, Dieter, Dr.
Beethovenstrasse 27
D-6308 Butzbach / DE
06 / Gröbel, Bengt-Thomas, Dr.
Im Hainpfad 10
D-6232 Bad Soden am Taunus / DE
[1987/43]
Application number, filing date87105537.214.04.1987
[1987/43]
Priority number, dateDE1986361306118.04.1986         Original published format: DE 3613061
DE1986362621102.08.1986         Original published format: DE 3626211
[1987/43]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0241918
Date:21.10.1987
Language:DE
[1987/43]
Type: A3 Search report 
No.:EP0241918
Date:26.04.1989
Language:DE
[1989/17]
Type: B1 Patent specification 
No.:EP0241918
Date:27.05.1992
Language:DE
[1992/22]
Search report(s)(Supplementary) European search report - dispatched on:EP07.03.1989
ClassificationIPC:C07D213/89, A61K31/44, // C07D309/38
[1987/43]
CPC:
C07D213/89 (EP,KR,US); C07D309/38 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1987/43]
TitleGerman:1-Hydroxy-2-pyridone, Verfahren zu ihrer Herstellung und Arzneimittel, die sie enthalten, sowie bei der Herstellung der 1-Hydroxy-2-pyridone gebildete Zwischenprodukte[1987/43]
English:1-Hydroxy-2-pyridinones, process for their preparation and medicines containing them, as well as intermediates formed by the preparation of 1-hydroxy-2-pyridinones[1987/43]
French:Hydroxy-1-pyridin-2-ones, procédé pour leur préparation et médicaments qui les contiennent de même que des intermédiaires formés lors de la préparation des hydroxy-1-pyridin-2-ones[1987/43]
Examination procedure29.06.1989Examination requested  [1989/34]
02.05.1991Despatch of a communication from the examining division (Time limit: M04)
27.06.1991Reply to a communication from the examining division
19.08.1991Despatch of communication of intention to grant (Approval: No)
21.10.1991Despatch of communication of intention to grant (Approval: later approval)
29.10.1991Communication of intention to grant the patent
15.01.1992Fee for grant paid
15.01.1992Fee for publishing/printing paid
Opposition(s)02.03.1993No opposition filed within time limit [1993/20]
Fees paidRenewal fee
10.03.1989Renewal fee patent year 03
14.03.1990Renewal fee patent year 04
21.12.1990Renewal fee patent year 05
10.03.1992Renewal fee patent year 06
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Documents cited:Search[A]DE2214608  (HOECHST AG);
 [AD]DE2234009  (HOECHST 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.