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Extract from the Register of European Patents

EP About this file: EP0202522

EP0202522 - Process for the racemic resolution of D,L-2-aminobutan-1-ol [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  05.07.1990
Database last updated on 06.07.2024
Most recent event   Tooltip05.07.1990No opposition filed within time limitpublished on 22.08.1990 [1990/34]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1986/48]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Lanzendoerfer, Franz, Dr.
Bruchstrasse 40
D-6701 Ellerstadt / DE
02 / Fritz, Gerhard, Dr.
Limburgerstrasse 23
D-6701 Dannstadt-Schauernheim / DE
03 / Siegel, Hardo, Dr.
Hans-Purrman-Allee 25
D-6720 Speyer / DE
[1986/48]
Application number, filing date86106089.503.05.1986
[1986/48]
Priority number, dateDE1985351710811.05.1985         Original published format: DE 3517108
[1986/48]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0202522
Date:26.11.1986
Language:DE
[1986/48]
Type: A3 Search report 
No.:EP0202522
Date:23.03.1988
Language:DE
[1988/12]
Type: B1 Patent specification 
No.:EP0202522
Date:13.09.1989
Language:DE
[1989/37]
Search report(s)(Supplementary) European search report - dispatched on:EP02.02.1988
ClassificationIPC:C07B57/00, C07C91/04
[1986/48]
CPC:
C07C51/487 (EP)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1986/48]
TitleGerman:Verfahren zur Racematspaltung von D,L-2-Aminobutan-1-ol[1986/48]
English:Process for the racemic resolution of D,L-2-aminobutan-1-ol[1986/48]
French:Procédé pour la résolution racémique du D,L-2-aminobutane-1-ol[1986/48]
Examination procedure13.02.1988Examination requested  [1988/15]
06.02.1989Despatch of communication of intention to grant (Approval: Yes)
20.03.1989Communication of intention to grant the patent
30.03.1989Fee for grant paid
30.03.1989Fee for publishing/printing paid
Opposition(s)13.06.1990No opposition filed within time limit [1990/34]
Fees paidRenewal fee
19.05.1988Renewal fee patent year 03
24.05.1989Renewal fee patent year 04
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Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[A]EP0036265  (NOHIRA HIROYUKI [JP]);
 [A]EP0000518  (RIEDEL DE HAEN AG [DE])
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.