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Extract from the Register of European Patents

EP About this file: EP0184595

EP0184595 - Process for the synthesis of N-alkylphthalimide [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  02.08.1988
Database last updated on 14.09.2024
Most recent event   Tooltip15.08.2008Change - applicantpublished on 17.09.2008  [2008/38]
Applicant(s)For all designated states
GENERAL ELECTRIC COMPANY
1 River Road
Schenectady, NY 12345 / US
[N/P]
Former [2008/38]For all designated states
GENERAL ELECTRIC COMPANY
1 River Road
Schenectady NY 12345 / US
Former [1986/25]For all designated states
GENERAL ELECTRIC COMPANY
1 River Road
Schenectady New York 12305 / US
Inventor(s)01 / Cawse, James Norman
132 Kittredge Road
Pittsfield Massachusetts 01201 / US
[1986/25]
Representative(s)Schüler, Horst, et al
Luderschmidt, Schüler & Partner GbR Postfach 3929
65029 Wiesbaden / DE
[N/P]
Former [1986/25]Schüler, Horst, Dr., et al
Patentanwalt, Kaiserstrasse 69
D-60329 Frankfurt / DE
Application number, filing date84115454.514.12.1984
[1986/25]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0184595
Date:18.06.1986
Language:EN
[1986/25]
Search report(s)(Supplementary) European search report - dispatched on:EP17.10.1985
ClassificationIPC:C07D209/48
[1986/25]
CPC:
C07D209/48 (EP)
Designated contracting statesDE,   FR,   GB,   IT,   NL,   SE [1986/25]
TitleGerman:Verfahren zur Herstellung von N-Alkylphthalimid[1986/25]
English:Process for the synthesis of N-alkylphthalimide[1986/25]
French:Procédé de préparation de N-alkylphtalimide[1986/25]
File destroyed:05.08.1994
Examination procedure08.12.1986Examination requested  [1987/06]
21.04.1988Despatch of a communication from the examining division (Time limit: M04)
28.07.1988Application withdrawn by applicant  [1988/38]
Fees paidRenewal fee
20.11.1986Renewal fee patent year 03
16.12.1987Renewal fee patent year 04
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Documents cited:Search[A]GB1484243  ;
 [AD]DE2628783  ;
 [A]DE2412466
 [A]  - "Methoden der organischen Chemie" (Houben-Weyl), 4th edition, vol. XI/2, Georg Thieme Verlag, Stuttgart, DE, 1958, pages 16-19, F. MÖLLER: "Umwandlung von primären und sekundären Aminen"
 [AD]  - JOURNAL OF THE CHEMICAL SOCIETY, 1945, pages 625-628, The Chemical Society, London, GB; F.S. SPRING et al.: "The application of the Hofmann reaction to the synthesis of heterocyclic compounds. Part III. Synthesis of 3-alkyl-2 : 4-diketo-1 : 2 : 3 : 4-tetrahydro-quinazolines from N-alkylphthalamides"
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.