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Extract from the Register of European Patents

EP About this file: EP0004650

EP0004650 - Use of 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-pyridin-3-beta-methoxy ethylester-5-isopropylester for the preparation of cerebrally active drugs [Right-click to bookmark this link]
Former [1986/05]Cerebrally active drug and its application as well as its preparation
[1986/05]
StatusOpposition rejected
Status updated on  30.11.1990
Database last updated on 29.03.2025
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Inventor(s)01 / Meyer, Horst, Dr.
Theodor-HeuB-Strasse 110
D-5600 Wuppertal 1 / DE
02 / Bossert, Friedrich, Dr.
Claudiusweg 7
D-5600 Wuppertal 1 / DE
03 / Kazda, Stanislav, Dr.
Pahlkestrasse 55N
D-5600 Wuppertal 1 / DE
04 / Hoffmeister, Friedrich, Prof.Dr.
Katernbergerstrasse 262
D-5600 Wuppertal 1 / DE
05 / Vater, Wulf, Dr.
Menchendahlerstrasse 23
D-5090 Leverkusen 3 / DE
[N/P]
Application number, filing date79100968.130.03.1979
Priority number, dateDE1978281557811.04.1978         Original published format: DE 2815578
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0004650
Date:17.10.1979
Language:DE
[N/P]
Type: B1 Patent specification 
No.:EP0004650
Date:29.01.1986
Language:DE
[1986/05]
Search report(s)(Supplementary) European search report - dispatched on:EP09.08.1979
ClassificationIPC:A61K31/445
[1986/05]
CPC:
C07D211/90 (EP,US); A61K31/44 (EP,US); A61P25/28 (EP);
A61P9/08 (EP)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LU,   NL,   SE 
TitleGerman:Verwendung von 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-pyridin-3-beta-methoxy-ethylester-5-isopropylester zur Herstellung von cerebralwirksamen Arzneimitteln[1986/05]
English:Use of 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-pyridin-3-beta-methoxy ethylester-5-isopropylester for the preparation of cerebrally active drugs[1986/05]
French:Usage de la 1,4-dihydro-2,6-diméthyl-4-(3-nitrophenyl)-3-beta-méthoxy ethylester-5-isopropylester-pyridine pour la préparation de médicaments ayant une activité cérébrale[1986/05]
Former [1986/05]Cerebralwirksames Arzneimittel, und seine Verwendung sowie seine Herstellung
Former [1986/05]Cerebrally active drug and its application as well as its preparation
Former [1986/05]Médicament à action cérébrale et son application ainsi que sa préparation
Examination procedure30.03.1979Examination requested
21.12.1979Despatch of a communication from the examining division (Time limit: {0})
28.03.1980Fee for grant paid
12.08.1980Despatch of a communication from the examining division (Time limit: M04)
01.12.1980Reply to a communication from the examining division
20.03.1981Despatch of communication that the application is refused, reason: substantive examination {1}
29.04.1985Despatch of a communication from the examining division (Time limit: M02)
06.05.1985Reply to a communication from the examining division
25.06.1985Despatch of communication of intention to grant (Approval: )
16.07.1985Communication of intention to grant the patent
10.08.1985Fee for publishing/printing paid
Appeal following examination20.05.1981Appeal received No.  T0297/88
20.05.1981Statement of grounds filed
15.06.1982Date of receipt of observations in an appeal [1982/25]
02.08.1982Invitation to file observations in an appeal (Time limit: M04) [1982/31]
Opposition(s)Opponent(s)01  01.10.1986  23.10.1986  ADMISSIBLE
Bioinvest AB
Karlavägen 119
S-115 26 Stockholm / SE
 02  22.10.1986  12.11.1986  ADMISSIBLE
Hexal-Chemie GmbH
Riedersteinstrasse 30
D-8180 Tegernsee / DE
Opponents representative
Beszédes, Stephan G.
Patentanwalt
Postfach 11 68
85201 Dachau / DE
 [N/P]
Former [1986/51]
Opponent(s)01  01.10.1986  23.10.1986  ADMISSIBLE
Bioinvest AB
Karlavägen 119
S-115 26 Stockholm / SE
 02  22.10.1986  12.11.1986  ADMISSIBLE
Hexal-Chemie GmbH
Riedersteinstrasse 30
D-8180 Tegernsee / DE
Opponents representative
Beszédes, Stephan G., Dr.
Patentanwalt Postfach 11 68
D-85201 Dachau / DE
Former [1986/48]
Opponent(s)01  01.10.1986  23.10.1986  ADMISSIBLE
Bioinvest AB
Karlavägen 119
S-115 26 Stockholm / SE
18.12.1986Communication of observations of patent proprietor (Time limit: M02)
18.12.1986Invitation to proprietor to file observations on the notice of opposition
18.12.1986Reply of patent proprietor to notice(s) of opposition
02.03.1987Reply of parties involved to observations of patent proprietor
06.05.1988Date of despatch of rejection of opposition
05.12.1989Legal effect of rejection of opposition [1991/03]
Appeal following opposition02.07.1988Appeal received No.  T0297/88
05.09.1988Statement of grounds filed
05.12.1989Result of appeal procedure: appeal of the opponent was rejected
Fees paidRenewal fee
13.03.1981Renewal fee patent year 03
15.03.1982Renewal fee patent year 04
24.02.1983Renewal fee patent year 05
17.02.1984Renewal fee patent year 06
25.02.1985Renewal fee patent year 07
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Documents cited:Search[D]DE2302866  (YAMANOUCHI PHARMA CO LTD);
 [D]GB1358951  (BAYER AG);
 [D]DE2407115  (YAMANOUCHI PHARMA CO LTD)
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.