Extract from the Register of European Patents

EP About this file: EP0299793

EP0299793 - Packing materials for analysing enantiomer mixtures by liquid chromatography [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.02.1994
Database last updated on 11.04.2026
Most recent event   Tooltip03.02.1994No opposition filed within time limitpublished on 23.03.1994 [1994/12]
Applicant(s)For all designated states
SUMITOMO CHEMICAL COMPANY, LIMITED
15, Kitahama 5-chome, Higashi-ku Osaka-shi
Osaka / JP
For all designated states
SUMIKA CHEMICAL ANALYSIS SERVICE, LIMITED
1-135, Kasugadenaka 3-chome Konohana-ku Osaka-shi
Osaka 554-0022 / JP
[N/P]
Former [1993/13]For all designated states
SUMITOMO CHEMICAL COMPANY, LIMITED
15, Kitahama 5-chome Higashi-ku
Osaka-shi Osaka / JP
For all designated states
SUMIKA CHEMICAL ANALYSIS SERVICE, LIMITED
1-135, Kasugadenaka 3-chome Konohana-ku
Osaka-shi Osaka / JP
Former [1989/03]For all designated states
SUMITOMO CHEMICAL COMPANY, LIMITED
Kitahama 4-chome 5-33
Chuo-ku Osaka 541 / JP
For all designated states
SUMIKA CHEMICAL ANALYSIS SERVICE, LIMITED
1-135, Kasugadenaka 3-chome Konohana-ku
Osaka-shi Osaka / JP
Inventor(s)01 / Oi, Naobumi
50-29, Kitashirakawa Ogura-cho Sakyo-ku
Kyoto-shi Kyoto / JP
02 / Kitahara, Hajimu
2-13-3, Okamachikita
Toyonaka-shi Osaka / JP
03 / Doi, Tadashi
6-4-26, Toneyama
Toyonaka-shi Osaka / JP
[1989/03]
Representative(s)Moore, Anthony John, et al
Gee & Co. Chancery House Chancery Lane
London WC2A 1QU / GB
[1989/03]
Application number, filing date88306517.915.07.1988
[1989/03]
Priority number, dateJP1987017798315.07.1987         Original published format: JP 17798387
[1989/03]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0299793
Date:18.01.1989
Language:EN
[1989/03]
Type: A3 Search report 
No.:EP0299793
Date:30.05.1990
Language:EN
[1990/22]
Type: B1 Patent specification 
No.:EP0299793
Date:31.03.1993
Language:EN
[1993/13]
Search report(s)(Supplementary) European search report - dispatched on:EP12.04.1990
ClassificationIPC:G01N30/48, G01N30/00, B01J20/22
[1990/21]
CPC:
B01J20/286 (EP,US); B01J20/29 (EP,US); B01J20/3204 (EP,US);
B01J20/3261 (EP,US)
Former IPC [1989/03]B01J20/22, G01N30/00
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI,   NL [1989/03]
TitleGerman:Packungsmaterial zur Analyse von Enantiomer-Gemischen durch Flüssig-Chromatographie[1989/03]
English:Packing materials for analysing enantiomer mixtures by liquid chromatography[1989/03]
French:Matériel d'emballage pour l'analyse de mélanges d'énantiomères par chromatographie liquide[1989/03]
Examination procedure14.11.1990Examination requested  [1991/02]
23.06.1992Despatch of communication of intention to grant (Approval: Yes)
26.08.1992Communication of intention to grant the patent
29.09.1992Fee for grant paid
29.09.1992Fee for publishing/printing paid
Opposition(s)04.01.1994No opposition filed within time limit [1994/12]
Fees paidRenewal fee
28.07.1990Renewal fee patent year 03
31.12.1990Renewal fee patent year 04
24.07.1992Renewal fee patent year 05
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Documents cited:Search[AD]   THE JOURNAL OF ORGANIC CHEMISTRY vol. 44, no. 12, 08 June 1979, BALTIMORE USA pages 1957 - 1960; W.H.PIRKLE ET AL.: "CHIRAL HIGH-PRESSURE LIQUID CHROMATOGRAPHIC STATIONARY PHASES.1." [AD]
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