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Extract from the Register of European Patents

EP About this file: EP0369769

EP0369769 - Liquid chromatography using microporous hollow fibers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.07.1994
Database last updated on 02.09.2024
Most recent event   Tooltip30.11.2007Lapse of the patent in a contracting statepublished on 02.01.2008  [2008/01]
Applicant(s)For all designated states
HOECHST CELANESE CORPORATION
Route 202-206 North
Somerville, N.J. 08876 / US
[1990/21]
Inventor(s)01 / Cussler, Edward L.
4502 Sunnyside Road
Edina Minnesota / US
[1990/21]
Representative(s)De Minvielle-Devaux, Ian Benedict Peter, et al
CARPMAELS & RANSFORD 43, Bloomsbury Square
London WC1A 2RA / GB
[1990/21]
Application number, filing date89311825.715.11.1989
[1990/21]
Priority number, dateUS1988027144915.11.1988         Original published format: US 271449
[1990/21]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0369769
Date:23.05.1990
Language:EN
[1990/21]
Type: A3 Search report 
No.:EP0369769
Date:31.10.1990
Language:EN
[1990/44]
Type: B1 Patent specification 
No.:EP0369769
Date:08.09.1993
Language:EN
[1993/36]
Search report(s)(Supplementary) European search report - dispatched on:EP13.09.1990
ClassificationIPC:B01D15/08, G01N30/48
[1990/42]
CPC:
B01J20/28023 (EP,US); B01D15/08 (EP,KR,US); B01D15/22 (EP,US);
B01D15/3804 (EP,US); B01D15/3842 (EP,US); B01J20/28014 (EP,US);
G01N30/6043 (EP,US) (-)
Former IPC [1990/21]B01D15/08
Designated contracting statesAT,   BE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1990/21]
TitleGerman:Flüssigchromatographie mit mikroporösen Hohlfasern[1990/21]
English:Liquid chromatography using microporous hollow fibers[1990/21]
French:Chromatographie liquide utilisant des fibres creuses microporeuses[1990/21]
Examination procedure30.11.1990Examination requested  [1991/04]
23.03.1992Despatch of a communication from the examining division (Time limit: M06)
30.09.1992Reply to a communication from the examining division
30.11.1992Despatch of communication of intention to grant (Approval: No)
08.03.1993Despatch of communication of intention to grant (Approval: later approval)
12.03.1993Communication of intention to grant the patent
23.04.1993Fee for grant paid
23.04.1993Fee for publishing/printing paid
Opposition(s)09.06.1994No opposition filed within time limit [1994/35]
Fees paidRenewal fee
24.09.1991Renewal fee patent year 03
23.09.1992Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT08.09.1993
BE08.09.1993
CH08.09.1993
ES08.09.1993
GR08.09.1993
IT08.09.1993
LI08.09.1993
NL08.09.1993
SE08.09.1993
LU30.11.1993
[2008/01]
Former [2002/24]AT08.09.1993
BE08.09.1993
CH08.09.1993
ES08.09.1993
GR08.09.1993
IT08.09.1993
LI08.09.1993
NL08.09.1993
SE08.09.1993
LU30.11.1993
Former [2000/04]AT08.09.1993
BE08.09.1993
CH08.09.1993
GR08.09.1993
IT08.09.1993
LI08.09.1993
NL08.09.1993
SE08.09.1993
LU30.11.1993
Former [1999/42]AT08.09.1993
BE08.09.1993
CH08.09.1993
IT08.09.1993
LI08.09.1993
NL08.09.1993
SE08.09.1993
Former [1994/32]AT08.09.1993
BE08.09.1993
CH08.09.1993
LI08.09.1993
NL08.09.1993
SE08.09.1993
Former [1994/26]BE08.09.1993
CH08.09.1993
LI08.09.1993
NL08.09.1993
SE08.09.1993
Former [1994/26]BE08.09.1993
CH08.09.1993
LI08.09.1993
NL08.09.1993
Former [1994/25]CH08.09.1993
LI08.09.1993
NL08.09.1993
Former [1994/18]CH08.09.1993
LI08.09.1993
Documents cited:Search[A]US3570673  (DUTZ HUBERT, et al);
 [A]US4486312  (SLINGSBY ROSANNE W [US], et al);
 [A]US4551435  (LIBERTI PAUL A [US], et al);
 [AD]EP0211206  (PPG INDUSTRIES INC [US])
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.