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Extract from the Register of European Patents

EP About this file: EP0811012

EP0811012 - METHOD OF PRODUCING L-ASPARTYL-D-ALANINE-N-(THIETHANE-3-YL)-AMIDES [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  31.03.2000
Database last updated on 03.10.2024
Most recent event   Tooltip31.03.2000No opposition filed within time limitpublished on 17.05.2000 [2000/20]
Applicant(s)For all designated states
Degussa GmbH
60287 Frankfurt am Main / DE
[N/P]
Former [1999/36]For all designated states
Degussa-Hüls Aktiengesellschaft
60287 Frankfurt am Main / DE
Former [1999/26]For all designated states
Degussa-Hüls Aktiengesellschaft
45764 Marl / DE
Former [1997/50]For all designated states
Degussa Aktiengesellschaft
Weissfrauenstrasse 9
60311 Frankfurt / DE
Inventor(s)01 / DRAUZ, Karlheinz
Zur Marienruhe 13
D-63579 Freigericht / DE
02 / KNAUP, Günter
Friedhofstrasse 8
D-63486 Bruchköbel / DE
03 / RETZOW, Stefan
Hohe-Mark-Strasse 21
D-63755 Alzenau / DE
04 / SCHWARM, Michael
Hauckwaldstrasse 1
D-63755 Alzenau / DE
05 / WECKBECKER, Christoph
Grünaustrasse 5
D-63457 Hanau / DE
[1997/50]
Application number, filing date96902957.831.01.1996
[1997/50]
WO1996EP00393
Priority number, dateDE199510593321.02.1995         Original published format: DE 19505933
[1997/50]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9626213
Date:29.08.1996
Language:DE
[1996/39]
Type: A1 Application with search report 
No.:EP0811012
Date:10.12.1997
Language:DE
The application published by WIPO in one of the EPO official languages on 29.08.1996 takes the place of the publication of the European patent application.
[1997/50]
Type: B1 Patent specification 
No.:EP0811012
Date:26.05.1999
Language:DE
[1999/21]
Search report(s)International search report - published on:EP29.08.1996
ClassificationIPC:C07K5/06
[1997/50]
CPC:
C07K5/06113 (EP,US); Y02P20/55 (EP,US)
Designated contracting statesDE,   GB [1997/50]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON L-ASPARTYL-D-ALANIN-N-(THIETAN-3-YL)-AMIDEN[1997/50]
English:METHOD OF PRODUCING L-ASPARTYL-D-ALANINE-N-(THIETHANE-3-YL)-AMIDES[1997/50]
French:PROCEDE DE PREPARATION DE L-ASPARTYL-D-ALANINE-N-(THIETANE-3-YL)-AMIDES[1997/50]
Entry into regional phase20.08.1997National basic fee paid 
20.08.1997Designation fee(s) paid 
20.08.1997Examination fee paid 
Examination procedure25.06.1996Request for preliminary examination filed
International Preliminary Examining Authority: EP
20.08.1997Examination requested  [1997/50]
10.08.1998Despatch of communication of intention to grant (Approval: Yes)
02.12.1998Communication of intention to grant the patent
14.12.1998Fee for grant paid
14.12.1998Fee for publishing/printing paid
Opposition(s)29.02.2000No opposition filed within time limit [2000/20]
Fees paidRenewal fee
19.12.1997Renewal fee patent year 03
17.12.1998Renewal fee patent year 04
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Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Cited inInternational searchJPH07435352  [ ] (SUMITOMO);
 [AD]EP0034876  (PFIZER [US]) [AD] 1-27* column W *;
 [AD]AT394854B  (BIOCHEMIE GMBH [AT]) [AD] 1-27 * the whole document *;
 [A]  - T NAGASE & F MASUKO, "Alpha-L-Asparaginyl-L-amino acid esters", CHEMICAL ABSTRACTS, (19741111), vol. 81, no. 19, Database accession no. 121026u, page 578, XP002003940 [A] 1-27 * abstract *
 [A]  - K BURGER & M RUDOLPH, "Regiospecific reaction with omega-carboxy alpha-amino acids. A simple synthesis of aspartame", CHEMICAL ABSTRACTS, (19910121), vol. 114, no. 3, Database accession no. 24570j, page 765, XP002003941 [A] 1-27 * abstract *
 [D]  - CHEM. ZEITUNG, (1990), vol. 114, no. 7-8, pages 249 - 251
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.