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Extract from the Register of European Patents

EP About this file: EP0376883

EP0376883 - Enantiomeric silanes, modified support and its use [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  10.02.1994
Database last updated on 29.10.2024
Most recent event   Tooltip10.02.1994No opposition filed within time limitpublished on 30.03.1994 [1994/13]
Applicant(s)For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
4002 Basel / CH
[N/P]
Former [1990/27]For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
CH-4002 Basel / CH
Inventor(s)01 / Lohmann, Dieter, Dr.
Mittelweg 56
CH-4142 Münchenstein / CH
02 / Däppen, Richard, Dr.
Neumattstrasse 31
CH-4142 Münchenstein / CH
[1990/27]
Application number, filing date89810942.612.12.1989
[1990/27]
Priority number, dateCH1988000476120.12.1988         Original published format: CH 476188
[1990/27]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0376883
Date:04.07.1990
Language:DE
[1990/27]
Type: B1 Patent specification 
No.:EP0376883
Date:07.04.1993
Language:DE
[1993/14]
Search report(s)(Supplementary) European search report - dispatched on:EP09.05.1990
ClassificationIPC:C07F7/18, B01J20/28
[1990/27]
CPC:
B01J20/3261 (EP,US); B01J20/289 (EP,US); B01J20/29 (EP,US);
B01J20/3219 (EP,US); C07F7/1804 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1990/27]
TitleGerman:Enantiomere Silane, modifiziertes Trägermaterial und dessen Verwendung[1990/27]
English:Enantiomeric silanes, modified support and its use[1990/27]
French:Silanes énantiomères, support modifié et son utilisation[1990/27]
Examination procedure15.12.1989Examination requested  [1990/27]
21.07.1992Despatch of communication of intention to grant (Approval: Yes)
02.10.1992Communication of intention to grant the patent
04.12.1992Fee for grant paid
04.12.1992Fee for publishing/printing paid
Opposition(s)08.01.1994No opposition filed within time limit [1994/13]
Fees paidRenewal fee
17.10.1991Renewal fee patent year 03
28.10.1992Renewal fee patent year 04
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Documents cited:Search[AP]EP0298734  (SHINETSU CHEMICAL CO [JP])
 [A]  - CHEMICAL ABSTRACTS
    [ ] - CHEMICAL ABSTRACTS
Examination   - CHEMICAL ABSTRACTS Band 107, Nr. 23, 7. December 1987, Seite 289, Zusammenfassung Nr. 214302b, Coumbus, Ohio, US; K Iwaki et al.: "Optical resolution of enantiomeric amino acid derivatives on a naphthylethylurea multiple-bonded chiral stationary phase prepared via anactivated carbamate intermediate"; & J. Chromatography 1987, 404(1), 117-22
    - CHEMICAL ABSTRACTS Band 106, Nr. 21, 25. May 1987, Seite 774, Zusammenfassung Nr. 176817t, Coumbus, Ohio, US; N.Oi et al.: "Enantiomer separation by HPLC with some urea derivatives of L-valine as novel chiral stationary phases" & J. Liq. Chromatography 1986, 9(2-3), 511-17
    - CHEMICAL ABSTRACTS Band 103, Nr. 17, 28. October 1985, Seite 6, Zusammenfassung Nr 141090m, Columbus, Ohio, US; W H Pirkle et al.: "Alpha-Arylalkylamine-derived chiral stationary phases. Evaluation of urea linkages"; & J. Chromatography 1985, 322(2), 295-307
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.