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Extract from the Register of European Patents

EP About this file: EP0521496

EP0521496 - Process for producing optically active carboxylic acids [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  19.08.1995
Database last updated on 04.11.2024
Most recent event   Tooltip19.08.1995No opposition filed within time limitpublished on 11.10.1995 [1995/41]
Applicant(s)For all designated states
Consortium für elektrochemische Industrie GmbH
Zielstattstrasse 20
81379 München / DE
[N/P]
Former [1993/01]For all designated states
Consortium für elektrochemische Industrie GmbH
Zielstattstrasse 20
D-81379 München / DE
Inventor(s)01 / Fritz-Langhals, Elke, Dr.
Kleiststrasse 16
W-8012 Ottobrunn / DE
[1993/01]
Application number, filing date92111186.002.07.1992
[1993/01]
Priority number, dateDE1991412221804.07.1991         Original published format: DE 4122218
[1993/01]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0521496
Date:07.01.1993
Language:DE
[1993/01]
Type: A3 Search report 
No.:EP0521496
Date:31.03.1993
Language:DE
[1993/13]
Type: B1 Patent specification 
No.:EP0521496
Date:19.10.1994
Language:DE
[1994/42]
Search report(s)(Supplementary) European search report - dispatched on:EP05.02.1993
ClassificationIPC:C07D307/24, C07D309/08, C07D333/38, C07D335/02, C09K19/54
[1993/01]
CPC:
C07D335/02 (EP,US); C07D307/24 (EP,US); C07D309/08 (EP,US);
C07D333/38 (EP,US); C09K19/3483 (EP,US); C09K19/3491 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1993/01]
TitleGerman:Verfahren zur Herstellung optisch aktiver Carbonsäuren[1993/01]
English:Process for producing optically active carboxylic acids[1993/01]
French:Procédé pour la préparation d'acides carboxyliques à activité optique[1993/01]
Examination procedure02.07.1992Examination requested  [1993/01]
02.07.1992Request for accelerated examination filed
20.04.1993Despatch of a communication from the examining division (Time limit: M04)
20.04.1993Decision about request for accelerated examination - accepted: Yes
18.05.1993Reply to a communication from the examining division
04.11.1993Despatch of communication of intention to grant (Approval: No)
28.02.1994Despatch of communication of intention to grant (Approval: later approval)
03.03.1994Communication of intention to grant the patent
07.04.1994Fee for grant paid
07.04.1994Fee for publishing/printing paid
Opposition(s)20.07.1995No opposition filed within time limit [1995/41]
Fees paidRenewal fee
21.07.1994Renewal fee patent year 03
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Documents cited:SearchJP1216983  [ ];
 [Y]EP0382506  (SUNTORY LTD [JP], et al);
 [A]EP0367515  (YAMAKAWA CHEMICAL IND [JP])
    [ ] - BIOCHEMISTRY, Band 5, Nr. 12, Dezember 1966, Seiten 4100-4105, Easton, PA, US; J.R. RAPP et al.: "The primary specificity of chymotrypsin. Further evidence for "wrong-way" binding"
    [ ] - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Band 99, Nr. 11, 25. Mai 1977, Seiten 3851-3853, Gaston, PA, US; G. STORK et al.: "Concerning the stereochemistry of the SN2' reaction. "Concerted" allylic displacement in an acyclic system: anti displacement with thiolate anion"
    [ ] - COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, Band 51, 1986, Seiten 404-407, Prag, CS; O. CERVINKA et al.: "Absolute configurations of some heterocyclic acids"
    [ ] - CANADIAN JOURNAL OF CHEMISTRY, Band 61, 1983, Seiten 1383-1386, Ottawa, CA; P.C. BELANGER et al.: "Syntheses of optically active 2-tetrahydrofuran derivatives"
    [ ] - CHEMICAL ABSTRACTS, Band 112, Nr. 17, 23. April 1990, Seite 698, Spalte 2, Zusammenfassung Nr. 158037h, Columbus, Ohio, US; & JP-A-1 216 983 (H. NODAIRA et al.) 30-08-1989, & JP1216983 A 00000000
    [ ] - CHEMICAL ABSTRACTS, Band 91, Nr. 7, 13. August 1979, Seite 262, Spalte 1, Zusammenfassung Nr. 51756n, Columbus, Ohio, US; C. GRIECO et al.: "Quantitative structure-activity relationships of chymotrypsin-ligand interactions: an analysis of interactions in rho-3 space", & ARCH. BIOCHEM. BIOPHYS. 1979, 194(2), 542-51
    [ ] - JOURNAL OF ORGANIC CHEMISTRY, Band 27, März 1962, Seiten 921-924, Easton, PA, US; R.K. HILL et al.: "The absolute configuration at C-12 of alpha-erythroidine"
Examination   - CHEMICAL ABSTRACTS, Band 91, Nr. 7, 13 August 1979, Columbus, OH (US);S; C. GRIECO et al., Nr. 51756n#
    - CHEMICAL ABSTRACTS, Bd. 112, Nr. 17, 23 April 1990, Columbus, OH (US); H. NODAIRA et al., Nr. 158037h#
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.