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Extract from the Register of European Patents

EP About this file: EP0214550

EP0214550 - Process for the preparation of aspartame and agent for its preparation [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  20.07.1991
Database last updated on 28.06.2024
Most recent event   Tooltip20.07.1991No opposition filed within time limitpublished on 11.09.1991 [1991/37]
Applicant(s)For all designated states
HOECHST AKTIENGESELLSCHAFT
65926 Frankfurt am Main / DE
[N/P]
Former [1987/12]For all designated states
HOECHST AKTIENGESELLSCHAFT
D-65926 Frankfurt am Main / DE
Inventor(s)01 / Keller, Reinhold, Dr.
Wiesenweg 5
D-6232 Bad Soden am Taunus / DE
02 / Schlingmann, Merten, Dr.
Schneidhainer Strasse 32a
D-6240 Königstein/Taunus / DE
03 / Platen, Martin, Dr.
Krautgartenweg 6
D-6000 Frankfurt am Main 50 / DE
[1987/12]
Application number, filing date86111843.827.08.1986
[1987/12]
Priority number, dateDE1985353202709.09.1985         Original published format: DE 3532027
[1987/12]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0214550
Date:18.03.1987
Language:DE
[1987/12]
Type: A3 Search report 
No.:EP0214550
Date:10.08.1988
Language:DE
[1988/32]
Type: B1 Patent specification 
No.:EP0214550
Date:19.09.1990
Language:DE
[1990/38]
Search report(s)(Supplementary) European search report - dispatched on:EP23.06.1988
ClassificationIPC:C07K5/06, C07K1/00, C12P21/02
[1987/12]
CPC:
C07K5/0613 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1987/12]
TitleGerman:Verfahren zur Herstellung von Aspartam und Mittel zu seiner Durchführung[1987/12]
English:Process for the preparation of aspartame and agent for its preparation[1987/12]
French:Procédé de préparation d'aspartame et agent pour son élaboration[1987/12]
Examination procedure12.01.1989Examination requested  [1989/11]
06.06.1989Despatch of a communication from the examining division (Time limit: M04)
26.08.1989Reply to a communication from the examining division
06.10.1989Despatch of a communication from the examining division (Time limit: M04)
03.11.1989Reply to a communication from the examining division
20.12.1989Despatch of communication of intention to grant (Approval: Yes)
19.03.1990Communication of intention to grant the patent
22.06.1990Fee for grant paid
22.06.1990Fee for publishing/printing paid
Opposition(s)20.06.1991No opposition filed within time limit [1991/37]
Fees paidRenewal fee
15.07.1988Renewal fee patent year 03
11.07.1989Renewal fee patent year 04
12.07.1990Renewal fee patent year 05
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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[XP]EP0170148  (FARCHEMIA SPA [IT]);
 [XP]EP0169937  (FARCHEMIA SPA [IT]);
 [Y]EP0149594  (MONSANTO CO [US]);
 [A]EP0143881  (GEMA SA [ES]);
 [X]EP0102483  (SIRAC SRL [IT]);
 [Y]EP0099585  (TOYO SODA MFG CO LTD [JP], et al);
 [Y]EP0035047  (AJINOMOTO KK [JP]);
 [X]EP0075160  (TOYO SODA MFG CO LTD [JP], et al);
 [Y]GB1339101  (SEARLE & CO);
 [X]GB2160870  (ERBA FARMITALIA);
 [YD]DE2801238  (TOYO SODA MFG CO LTD, et al)
 [Y]  - TETRAHEDRON LETTERS, Nr. 28, 1979, Seiten 2611-2612, Pergamon Press Ltd, GB; Y. ISOWA et al.: "The thermolysin-catalyzed condensation reaction of N-substituted aspartic and glutamic acids with phenylalanine alkyl esters"
 [Y]  - HOUBEN-WEYL: "Methoden der organischen Chemie", Band E5, Carbonsäuren und Carbonsäure-Derivate, 1985, Seiten 702-705, Georg Thieme Verlag, Stuttgart, DE; H. PIELARTZIK et al.: "Aus Carbonsäure-estern"
ExaminationUS3941831
 JPS5484522
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.