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Extract from the Register of European Patents

EP About this file: EP0839211

EP0839211 - RIBOFLAVIN-PRODUCTION PROCESS BY MEANS OF MICRO-ORGANISMS WITH MODIFIED ISOCITRATLYASE ACTIVITY [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.04.2002
Database last updated on 30.04.2025
Most recent event   Tooltip27.06.2008Change - applicantpublished on 30.07.2008  [2008/31]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
For all designated states
Forschungszentrum Jülich GmbH
Postfach 19 13
52428 Jülich / DE
[N/P]
Former [2008/31]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
For all designated states
FORSCHUNGSZENTRUM JÜLICH GMBH
Postfach 19 13
52428 Jülich / DE
Former [1998/19]For all designated states
BASF AKTIENGESELLSCHAFT
67056 Ludwigshafen / DE
For all designated states
FORSCHUNGSZENTRUM JÜLICH GMBH
Postfach 19 13
52428 Jülich / DE
Inventor(s)01 / KÄSLER, Bruno
Magdeburger Strasse 72
D-67071 Ludwigshafen / DE
02 / SAHM, Hermann
Wendelinusstrasse 71
D-52428 Jülich / DE
03 / STAHMANN, Klaus-Peter
Wilhelmstrasse 11
D-52428 Jülich / DE
04 / SCHMIDT, Georg
Heerstrasse 10
D-52457 Aldenhoven / DE
05 / BÖDDECKER, Theo
Robert-Koch-Strasse 7
D-52428 Jülich / DE
06 / SEULBERGER, Harald
Adalbert-Stifter-Strasse 4
D-69221 Dossenheim / DE
[1998/19]
Application number, filing date96926334.210.07.1996
[1998/19]
WO1996EP03009
Priority number, dateDE199512528113.07.1995         Original published format: DE 19525281
DE199514546806.12.1995         Original published format: DE 19545468
[1998/19]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report
No.:WO9703208
Date:30.01.1997
Language:DE
[1997/06]
Type: A1 Application with search report 
No.:EP0839211
Date:06.05.1998
Language:DE
The application published by WIPO in one of the EPO official languages on 30.01.1997 takes the place of the publication of the European patent application.
[1998/19]
Type: B1 Patent specification 
No.:EP0839211
Date:06.06.2001
Language:DE
[2001/23]
Search report(s)International search report - published on:EP30.01.1997
ClassificationIPC:C12P25/00, C12N15/60, C12N15/31
[1998/19]
CPC:
C07D475/14 (EP,US); C12P25/00 (EP,KR,US); A23K20/174 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   IE,   IT,   LI,   NL,   PT,   SE [1998/19]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON RIBOFLAVIN MITTELS MIKROORGANISMEN MIT VERÄNDERTER ISOCITRATLYASE-AKTIVITÄT[1998/19]
English:RIBOFLAVIN-PRODUCTION PROCESS BY MEANS OF MICRO-ORGANISMS WITH MODIFIED ISOCITRATLYASE ACTIVITY[1998/19]
French:PROCEDE DE PRODUCTION DE RIBOFLAVINE AU MOYEN DE MICRO-ORGANISMES A ACTIVITE D'ISOCITRATLYASE MODIFIEE[1998/19]
Entry into regional phase04.12.1997National basic fee paid 
04.12.1997Designation fee(s) paid 
04.12.1997Examination fee paid 
Examination procedure03.02.1997Request for preliminary examination filed
International Preliminary Examining Authority: EP
04.12.1997Examination requested  [1998/19]
08.11.1999Despatch of a communication from the examining division (Time limit: M04)
07.01.2000Reply to a communication from the examining division
09.10.2000Despatch of communication of intention to grant (Approval: Yes)
04.12.2000Communication of intention to grant the patent
12.01.2001Fee for grant paid
12.01.2001Fee for publishing/printing paid
Opposition(s)07.03.2002No opposition filed within time limit [2002/22]
Fees paidRenewal fee
29.07.1998Renewal fee patent year 03
16.07.1999Renewal fee patent year 04
14.07.2000Renewal 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.
Cited inInternational search[AD]EP0405370  (HOFFMANN LA ROCHE [CH]) [AD] 1-11 * column W *;
 [AD]WO9303183  (TRANSKARYOTIC THERAPIES INC [US]) [AD] 1-11* the whole document *;
 [XP]  - SCHMIDT, G. ET AL., "Inhibition of purified isocitrate lyase identified itaconate and oxalate as potentioal antimetabolites for the riboflavin overproducer Ashbya gossypii", MICROBIOLOGY, READING U.K., (1996), vol. 142, no. 2, pages 411 - 417, XP002020315 [XP] 1-11 * the whole document *
 [XP]  - SCHNMIDT, G. ET AL., "Correlation of isocitrate lyase activity and riboflavin formation in the riboflavin overproducer Ashbya gossypii", MICROBIOLOGY, READING, U.K., (1996), vol. 142, no. 2, pages 419 - 426, XP002020316 [XP] 1-11 * the whole document *
 [A]  - BARTH, G. UND SCHEUBER, T., "Cloning of the isocitrate lyase gene (ICL1) from Yarrowia lipolytica and characterization of the deduced protein", MOL. GEN. GENET., (1993), vol. 241, pages 422 - 430, XP002020317 [A] 1-11 * the whole document *
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.