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Extract from the Register of European Patents

EP About this file: EP0356949

EP0356949 - Process for the separation of cyclohexanol from aqueous solutions containing it as well as aromatic sulfonic acids [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.02.1995
Database last updated on 02.11.2024
Most recent event   Tooltip09.02.1995No opposition filed within time limitpublished on 29.03.1995 [1995/13]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1990/10]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Gosch, Hans-Jürgen, Dr.
Seebacher Strasse 37
D-6702 Bad Duerkheim / DE
02 / Fischer, Rolf, Dr.
Bergstrasse 98
D-6900 Heidelberg / DE
03 / Luyken, Hermann
Brüsseler Ring 34
D-6700 Ludwigshafen / DE
[1990/10]
Application number, filing date89115769.526.08.1989
[1990/10]
Priority number, dateDE1988382970901.09.1988         Original published format: DE 3829709
[1990/10]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0356949
Date:07.03.1990
Language:DE
[1990/10]
Type: A3 Search report 
No.:EP0356949
Date:08.01.1992
Language:DE
[1992/02]
Type: B1 Patent specification 
No.:EP0356949
Date:06.04.1994
Language:DE
[1994/14]
Search report(s)(Supplementary) European search report - dispatched on:EP18.11.1991
ClassificationIPC:C07C35/08, C07C29/80
[1990/10]
CPC:
C07C29/80 (EP,US); C07C2601/14 (EP,US)
C-Set:
C07C29/80, C07C35/08 (EP,US)
Designated contracting statesBE,   CH,   DE,   ES,   FR,   GB,   IT,   LI,   NL [1990/10]
TitleGerman:Verfahren zur Abtrennung von Cyclohexanol aus solches und aromatische Sulfonsäuren enthaltenden wässrigen Lösungen[1990/10]
English:Process for the separation of cyclohexanol from aqueous solutions containing it as well as aromatic sulfonic acids[1990/10]
French:Procédé de séparation du cyclohexanol de solutions aqueuses le contenant et des acides sulfoniques aromatiques[1990/10]
Examination procedure27.12.1990Examination requested  [1991/09]
31.08.1993Despatch of communication of intention to grant (Approval: No)
30.09.1993Despatch of communication of intention to grant (Approval: later approval)
06.10.1993Communication of intention to grant the patent
16.11.1993Fee for grant paid
16.11.1993Fee for publishing/printing paid
Opposition(s)10.01.1995No opposition filed within time limit [1995/13]
Fees paidRenewal fee
02.01.1991Renewal fee patent year 03
18.08.1992Renewal fee patent year 04
19.08.1993Renewal fee patent year 05
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Documents cited:Search[A]GB2151224  (ASAHI CHEMICAL IND);
 [A]EP0227931  (SUMITOMO CHEMICAL CO [JP])
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.