Extract from the Register of European Patents

EP About this file: EP0303550

EP0303550 - Process for the preparation of 2-methyl-pentane diamine by hydrogenation of 2-methyl glutaronitrile [Right-click to bookmark this link]
StatusOpposition rejected
Status updated on  09.08.1994
Database last updated on 11.04.2026
Most recent event   Tooltip09.08.1994Opposition rejectedpublished on 28.09.1994 [1994/39]
Applicant(s)For all designated states
RHONE-POULENC CHIMIE
25, Quai Paul Doumer
92408 Courbevoie Cédex / FR
[N/P]
Former [1989/07]For all designated states
RHONE-POULENC CHIMIE
25, Quai Paul Doumer
F-92408 Courbevoie Cédex / FR
Inventor(s)01 / Cordier, Georges
50, Chemin des Hermières
F-69340 Francheville / FR
[1989/07]
Representative(s)Vignally, Noel, et al
RHODIA SERVICES Direction de la Propriété Industrielle 25, quai Paul Doumer
92408 Courbevoie Cédex / FR
[N/P]
Former [1993/18]Vignally, Noel, et al
RHONE-POULENC CHIMIE, Direction de la Propriété Industrielle, Centre de Recherches des Carrières, B.P. 62
F-69192 Saint-Fons Cédex / FR
Former [1989/07]Varnière-Grange, Monique
RHONE-POULENC INTERSERVICES Service Brevets Chimie Centre de Recherches des Carrières B.P. 62
F-69192 Saint-Fons Cédex / FR
Application number, filing date88420272.229.07.1988
[1989/07]
Priority number, dateFR1987001162312.08.1987         Original published format: FR 8711623
[1989/07]
Filing languageFR
Procedural languageFR
PublicationType: A2 Application without search report 
No.:EP0303550
Date:15.02.1989
Language:FR
[1989/07]
Type: A3 Search report 
No.:EP0303550
Date:18.10.1989
Language:FR
[1989/42]
Type: B1 Patent specification 
No.:EP0303550
Date:22.04.1992
Language:FR
[1992/17]
Search report(s)(Supplementary) European search report - dispatched on:EP30.08.1989
ClassificationIPC:C07C209/48, C07C211/09
[1992/17]
CPC:
C07C211/09 (EP,US); C07C209/48 (EP,US)
Former IPC [1989/07]C07C85/12, C07C87/14
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1989/07]
TitleGerman:Verfahren zur Herstellung von 2-Methyl-Pentandiamin durch Hydrogenierung von 2-Methyl-Glutaronitril[1989/07]
English:Process for the preparation of 2-methyl-pentane diamine by hydrogenation of 2-methyl glutaronitrile[1989/07]
French:Procédé de fabrication de la méthyl-2 pentanediamine par hydrogénation du méthyl-2 glutaronitrile[1989/07]
Examination procedure12.04.1989Examination requested  [1989/24]
23.07.1991Despatch of a communication from the examining division (Time limit: M02)
14.08.1991Reply to a communication from the examining division
24.09.1991Despatch of communication of intention to grant (Approval: Yes)
21.10.1991Communication of intention to grant the patent
02.12.1991Fee for grant paid
02.12.1991Fee for publishing/printing paid
Opposition(s)Opponent(s)01  20.01.1993  18.02.1993  ADMISSIBLE
BASF Aktiengesellschaft
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
 [N/P]
Former [1993/11]
Opponent(s)01  20.01.1993  18.02.1993  ADMISSIBLE
BASF Aktiengesellschaft, Ludwigshafen
-Patentabteilung - C6- Carl-Bosch-Strasse 38
D-67056 Ludwigshafen / DE
23.02.1993Invitation to proprietor to file observations on the notice of opposition
23.07.1993Reply of patent proprietor to notice(s) of opposition
05.08.1993Communication of observations of patent proprietor (Time limit: M02)
25.09.1993Reply of parties involved to observations of patent proprietor
10.11.1993Despatch of a communication from the opposition division (Time limit: M02)
04.12.1993Reply to a communication from the opposition division
15.04.1994Date of despatch of rejection of opposition
25.04.1994Legal effect of rejection of opposition [1994/39]
Fees paidRenewal fee
11.06.1990Renewal fee patent year 03
04.06.1991Renewal fee patent year 04
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