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Extract from the Register of European Patents

EP About this file: EP0354433

EP0354433 - Process for separating substances by cool chrystallization [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  26.05.1992
Database last updated on 19.10.2024
Most recent event   Tooltip26.05.1992Withdrawal of applicationpublished on 15.07.1992 [1992/29]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1990/07]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Kehm, Detlef, Dipl.-Ing.
Bucheckernweg 20
D-4220 Dinslaken / DE
02 / Weicht, Bodo, Dipl.-Ing.
Hermann-Ehlers-Strasse 14
D-5090 Leverkusen 1 / DE
03 / George, Joachim, Dr.
Tannenweg 1
D-5090 Leverkusen 3 / DE
[1990/07]
Application number, filing date89114068.329.07.1989
[1990/07]
Priority number, dateDE1988382745512.08.1988         Original published format: DE 3827455
[1990/07]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0354433
Date:14.02.1990
Language:DE
[1990/07]
Type: A3 Search report 
No.:EP0354433
Date:12.09.1990
Language:DE
[1990/37]
Search report(s)(Supplementary) European search report - dispatched on:EP25.07.1990
ClassificationIPC:B01D9/00
[1990/07]
CPC:
B01D9/0013 (EP,US); B01D9/005 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI [1990/07]
TitleGerman:Verfahren zur Stofftrennung durch Kühlkristallisation[1990/07]
English:Process for separating substances by cool chrystallization[1990/07]
French:Procédé de séparation des matières par cristallisation sous refroidissement[1990/07]
File destroyed:12.06.1999
Examination procedure29.07.1989Examination requested  [1990/07]
17.02.1992Despatch of a communication from the examining division (Time limit: M04)
18.05.1992Application withdrawn by applicant  [1992/29]
Fees paidRenewal fee
28.12.1990Renewal fee patent year 03
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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.
Documents cited:Search[A]DE1034587  (EWALD A ZDANSKY);
 [A]US3174832  (BOHRER BYRON B);
 [A]US3255598  (COTTLE JOHN E);
 [AD]DE2606364  (BASF AG)
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.