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Extract from the Register of European Patents

EP About this file: EP0164705

EP0164705 - Process for manufacturing phthalaldehydacetals [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  29.06.1988
Database last updated on 02.07.2024
Most recent event   Tooltip29.06.1988No opposition filed within time limitpublished on 17.08.1988 [1988/33]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1985/51]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Degner, Dieter, Dr.
Kurpfalzstrasse 8
D-6701 Dannstadt-Schauernheim / DE
[1985/51]
Application number, filing date85107063.107.06.1985
[1985/51]
Priority number, dateDE1984342197614.06.1984         Original published format: DE 3421976
[1985/51]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0164705
Date:18.12.1985
Language:DE
[1985/51]
Type: A3 Search report 
No.:EP0164705
Date:23.04.1986
Language:DE
[1986/17]
Type: B1 Patent specification 
No.:EP0164705
Date:02.09.1987
Language:DE
[1987/36]
Search report(s)(Supplementary) European search report - dispatched on:EP06.03.1986
ClassificationIPC:C25B3/02
[1985/51]
CPC:
C25B3/23 (EP)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1985/51]
TitleGerman:Verfahren zur Herstellung von Phthalaldehydacetalen[1985/51]
English:Process for manufacturing phthalaldehydacetals[1985/51]
French:Procédé de production de phtalaldéhydacétals[1985/51]
Examination procedure13.03.1986Examination requested  [1986/20]
09.01.1987Despatch of communication of intention to grant (Approval: )
03.02.1987Communication of intention to grant the patent
08.05.1987Fee for grant paid
08.05.1987Fee for publishing/printing paid
Opposition(s)04.06.1988No opposition filed within time limit [1988/33]
Fees paidRenewal fee
13.06.1987Renewal fee patent year 03
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Documents cited:Search[A]EP0054698  (HOECHST AG [DE]);
 [A]EP0012240  (BAYER AG [DE]);
 [AD]DE3108790  (DYNAMIT NOBEL AG [DE])
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.