Extract from the Register of European Patents

EP About this file: EP0581194

EP0581194 - A process for the preparation of enamines in aqueous media [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  06.11.1998
Database last updated on 11.04.2026
Most recent event   Tooltip06.11.1998Withdrawal of applicationpublished on 23.12.1998 [1998/52]
Applicant(s)For all designated states
HOECHST MARION ROUSSEL, INC.
Kansas City, Missouri 64137-1405 / US
[N/P]
Former [1996/50]For all designated states
HOECHST MARION ROUSSEL, Inc.
Kansas City, Missouri 64137-1405 / US
Former [1994/05]For all designated states
HOECHST-ROUSSEL PHARMACEUTICALS INCORPORATED
P.O. Box 2500, Route 202-206
Somerville, NJ 08876-1258 / US
Inventor(s)01 / Mueller-Lehar, Juergen
75 Hatheway West
Warwick, Rhode / US
[1994/05]
Representative(s)Fischer, Hans-Jürgen, et al
Sanofi-Aventis Deutschland GmbH
Patent- und Lizenzabteilung
Industriepark Höchst
Gebaüde K 801
65926 Frankfurt am Main / DE
[N/P]
Former [1994/18]Fischer, Hans-Jürgen, Dr., et al
Hoechst AG Patent- und Lizenzabteilung Gebäude K 801
D-65926 Frankfurt am Main / DE
Former [1994/05]Becker, Heinrich Karl Engelbert, Dr.
HOECHST AKTIENGESELLSCHAFT Zentrale Patentabteilung Gebäude F 821
D-65926 Frankfurt am Main / DE
Application number, filing date93111751.922.07.1993
[1994/05]
Priority number, dateUS1992092179130.07.1992         Original published format: US 921791
[1994/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0581194
Date:02.02.1994
Language:EN
[1994/05]
Search report(s)(Supplementary) European search report - dispatched on:EP09.11.1993
ClassificationIPC:C07C255/58, C07C229/58, C07D219/10
[1994/05]
CPC:
C07C253/30 (EP,KR,US); C07C255/58 (EP,KR,US); C07D219/10 (EP,KR,US);
C07C2601/16 (EP,KR,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   NL,   PT,   SE [1994/05]
TitleGerman:Verfahren zur Herstellung von Enaminen in wässrigen Medium[1994/05]
English:A process for the preparation of enamines in aqueous media[1994/05]
French:Procédé pour la préparation d'énamines dans un milieu aqueux[1994/05]
Examination procedure10.03.1994Examination requested  [1994/19]
18.07.1995Despatch of a communication from the examining division (Time limit: M06)
27.12.1995Reply to a communication from the examining division
06.03.1996Despatch of a communication from the examining division (Time limit: M04)
01.07.1996Reply to a communication from the examining division
09.09.1996Despatch of communication of intention to grant (Approval: Yes)
02.12.1996Communication of intention to grant the patent
12.03.1997Fee for grant paid
12.03.1997Fee for publishing/printing paid
30.10.1998Application withdrawn by applicant  [1998/52]
Fees paidRenewal fee
31.07.1995Renewal fee patent year 03
31.07.1996Renewal fee patent year 04
31.07.1997Renewal fee patent year 05
31.07.1998Renewal fee patent year 06
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Documents cited:Search[X] US4754050  (SHUTSKE GREGORY M et al.) [X]
 [XD] US4631286  (SHUTSKE GREGORY M et al.) [XD]
 [A] DE2257203  (YAMANOUCHI PHARMA CO LTD et al.) [A]
 [AD]   ACTA CHEMICA SCANDINAVICA, vol. B33, no. 1 (1-78),1979, Copenhagen A. OSBIRK et al. "Phosphora- mides. X. Phosphorus Penta- oxide Amine Mixtures and HMPT as Reagents in the Synthesis of 4-Amino- and 4-Dimethyl- amino-2,3-polymethylenequi- nolines" [AD]
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