Extract from the Register of European Patents

EP About this file: EP0511943

EP0511943 - Pyroglutamic acid derivatives as enhancers of learning processes and memory and pharmaceutical compositions comprising same [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  19.12.1996
Database last updated on 19.03.2026
Most recent event   Tooltip19.12.1996Application deemed to be withdrawnpublished on 05.02.1997 [1997/06]
Applicant(s)For all designated states
SIGMA-TAU Industrie Farmaceutiche Riunite S.p.A.
Viale Shakespeare, 47
00144 Roma / IT
[N/P]
Former [1992/45]For all designated states
Sigma-Tau Industrie Farmaceutiche Riunite S.p.A.
Viale Shakespeare, 47
I-00144 Roma / IT
Inventor(s)01 / Giannessi, Fabio
Via A. San Salvatore 16
I-00189 Roma RM / IT
02 / Ghirardi, Orlando
Via Filippo de Grenet, 69
I-00128 Roma RM / IT
03 / Cozzolino, Roberto
Piazza S. Maria alle Fornaci 2
I-00165 Roma RM / IT
04 / Misiti, Domenico
Via Bacchiglione 3
I-00199 Roma RM / IT
05 / Tinti, Maria Ornella
Via Ernesto Basile, 81
I-00182 Roma RM / IT
[1992/45]
Representative(s)Cavattoni, Fabio, et al
Cavattoni & Raimondi
Viale dei Parioli, 160
00197 Roma / IT
[N/P]
Former [1992/45]Cavattoni, Fabio, et al
Cavattoni & Raimondi Viale dei Parioli, 160
I-00197 Roma / IT
Application number, filing date92830175.310.04.1992
[1992/45]
Priority number, dateIT1991RM0024611.04.1991         Original published format: IT RM910246
[1992/45]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0511943
Date:04.11.1992
Language:EN
[1992/45]
Type: A3 Search report 
No.:EP0511943
Date:09.12.1992
Language:EN
[1992/50]
Search report(s)(Supplementary) European search report - dispatched on:EP21.10.1992
ClassificationIPC:C07D207/28, C07K5/06, A61K31/40
[1992/46]
CPC:
C07K5/06173 (EP,US); A61P25/28 (EP); C07D209/28 (EP,US);
C07K5/1024 (EP,US); A61K38/00 (EP,US)
Former IPC [1992/45]C07D209/28, C07K5/06, A61K31/40
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1992/45]
TitleGerman:Pyroglutaminsäurederivate, die die Lernfähigkeit und die Gedächtnisleistung steigern und pharmazeutische Zubereitungen, die diese enthalten[1992/45]
English:Pyroglutamic acid derivatives as enhancers of learning processes and memory and pharmaceutical compositions comprising same[1992/45]
French:Dérivés de l'acide pyroglutamique pour stimuler les processus d'apprentissage et de mémorisation ainsi que les compositions pharmaceutiques les contenant[1992/45]
Examination procedure03.06.1993Examination requested  [1993/33]
23.08.1993Despatch of a communication from the examining division (Time limit: M04)
02.11.1993Reply to a communication from the examining division
21.12.1993Despatch of a communication from the examining division (Time limit: M10)
14.10.1994Reply to a communication from the examining division
08.11.1994Despatch of a communication from the examining division (Time limit: M04)
06.03.1995Reply to a communication from the examining division
29.03.1995Despatch of a communication from the examining division (Time limit: M04)
26.05.1995Reply to a communication from the examining division
01.02.1996Despatch of communication of intention to grant (Approval: No)
23.04.1996Despatch of communication of intention to grant (Approval: later approval)
29.04.1996Communication of intention to grant the patent
16.05.1996Fee for grant paid
16.05.1996Fee for publishing/printing paid
10.08.1996Application deemed to be withdrawn, date of legal effect  [1997/06]
06.09.1996Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [1997/06]
Fees paidRenewal fee
02.04.1994Renewal fee patent year 03
03.04.1995Renewal fee patent year 04
01.04.1996Renewal fee patent year 05
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Documents cited:Search[X]   CHEMICAL ABSTRACTS, , 1957, Columbus, Ohio, US; abstract no. 17880D, 'some N-substituted-5-oxo-2-pyrrolidinecarboxamides' column 17880 ; [X]
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