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Extract from the Register of European Patents

EP About this file: EP0994112

EP0994112 - Method for separating contaminants from 3-(2'-acetoxy-ethyl)-dihydro-2(3h)furanone [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  30.05.2003
Database last updated on 01.01.2025
Most recent event   Tooltip17.04.2015Change - lapse in a contracting statepublished on 20.05.2015  [2015/21]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[2008/31]
Former [2002/30]For all designated states
BASF AKTIENGESELLSCHAFT
67056 Ludwigshafen / DE
Former [2000/16]For all designated states
BASF AKTIENGESELLSCHAFT
67056 Ludwigshafen / DE
Inventor(s)01 / Maywald, Volker, Dr.
Christoph-Kröwerath-Strasse 72
67071 Ludwigshafen / DE
02 / Hartmann, Horst
Lindenstrasse 45
67459 Böhl-Iggelheim / DE
03 / Götz, Norbert, Dr.
Schöfferstrasse 25
67547 Worms / DE
04 / Reissenweber, Gernot, Dr.
Drosselstrasse 15
67459 Böhl-Iggelheim / DE
05 / König, Hartmann, Dr.
Blumenstrasse 16
69115 Heidelberg / DE
[2000/16]
Representative(s)Kinzebach, Werner, et al
Reitstötter, Kinzebach & Partner Patentanwälte Postfach 21 11 60
67011 Ludwigshafen / DE
[N/P]
Former [2001/28]Kinzebach, Werner, Dr., et al
Reitstötter, Kinzebach & Partner, Postfach 21 11 60
67011 Ludwigshafen / DE
Application number, filing date99117240.402.09.1999
[2000/16]
Priority number, dateDE199814152010.09.1998         Original published format: DE 19841520
[2000/16]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0994112
Date:19.04.2000
Language:DE
[2000/16]
Type: B1 Patent specification 
No.:EP0994112
Date:24.07.2002
Language:DE
[2002/30]
Search report(s)(Supplementary) European search report - dispatched on:EP18.11.1999
ClassificationIPC:C07D307/33
[2000/16]
CPC:
C07D307/33 (EP,US); Y10S203/20 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2000/16]
TitleGerman:Verfahren zur Abtrennung von Verunreinigungen aus 3-(2 -Acetoxy-ethyl)-dihydro-2(3H)furanon[2000/16]
English:Method for separating contaminants from 3-(2'-acetoxy-ethyl)-dihydro-2(3h)furanone[2000/16]
French:Procédé pour la séparation d'impuretés dans la Préparation de la 3-(2-acetoxyethyl)-dihydro-2(3h)furanone[2000/16]
Examination procedure14.04.2000Examination requested  [2000/24]
18.10.2001Despatch of communication of intention to grant (Approval: Yes)
29.01.2002Communication of intention to grant the patent
06.05.2002Fee for grant paid
06.05.2002Fee for publishing/printing paid
Opposition(s)25.04.2003No opposition filed within time limit [2003/29]
Fees paidRenewal fee
15.09.2001Renewal fee patent year 03
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Former [2003/29]IE24.07.2002
Documents cited:Search[A]EP0584631  (BASF AG [DE]) [A] 1-5* the whole document *;
 [DY]US5350863  (KUEKENHOEHNER THOMAS [DE], et al) [DY] 1-5 * siehe das ganze Dokument, insbesondere Spalte 3 *;
 [PY]WO9929680  (BASF AG [DE], et al) [PY] 1-5 * 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.