Extract from the Register of European Patents

EP About this file: EP0302487

EP0302487 - Etherification of polyoxyalkylene derivatives [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  22.09.1994
Database last updated on 21.03.2026
Most recent event   Tooltip22.09.1994No opposition filed within time limitpublished on 09.11.1994 [1994/45]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1989/06]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Birnbach, Stefan, Dr.
Budapester Strasse 45
D-6700 Ludwigshafen / DE
02 / Mueller, Josef, Dr.
Rieslingstrasse 15
D-6711 Grosskarlbach / DE
03 / Wulz, Klaus, Dr.
Gerolfstrasse 9
D-6715 Lambsheim / DE
04 / Houben, Jochen, Dr.
Schulstrasse 9-17
D-6700 Ludwigshafen / DE
[1989/06]
Application number, filing date88112674.204.08.1988
[1989/06]
Priority number, dateDE1987372612106.08.1987         Original published format: DE 3726121
[1989/06]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0302487
Date:08.02.1989
Language:DE
[1989/06]
Type: B1 Patent specification 
No.:EP0302487
Date:18.11.1993
Language:DE
[1993/46]
Search report(s)(Supplementary) European search report - dispatched on:EP30.11.1988
ClassificationIPC:C08G65/32, C07C43/11, C07C41/16
[1989/06]
CPC:
C08G65/3344 (EP,US); C08G65/2609 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI,   SE [1989/06]
TitleGerman:Veretherung von Polyoxyalkylenderivaten[1989/06]
English:Etherification of polyoxyalkylene derivatives[1989/06]
French:Ethérification de dérivés de polyoxyalkylènes[1989/06]
Examination procedure08.12.1988Examination requested  [1989/06]
04.12.1990Despatch of a communication from the examining division (Time limit: M04)
09.03.1991Reply to a communication from the examining division
12.07.1991Despatch of a communication from the examining division (Time limit: M04)
28.08.1991Reply to a communication from the examining division
16.12.1991Despatch of a communication from the examining division (Time limit: M04)
18.03.1992Reply to a communication from the examining division
31.03.1992Despatch of a communication from the examining division (Time limit: M04)
17.07.1992Reply to a communication from the examining division
15.01.1993Despatch of communication of intention to grant (Approval: Yes)
17.02.1993Communication of intention to grant the patent
08.04.1993Fee for grant paid
08.04.1993Fee for publishing/printing paid
Opposition(s)19.08.1994No opposition filed within time limit [1994/45]
Fees paidRenewal fee
10.08.1990Renewal fee patent year 03
02.01.1991Renewal fee patent year 04
18.08.1992Renewal fee patent year 05
19.08.1993Renewal fee patent year 06
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Cited inExamination  Organikum, Organisch-Chemisches Grundpraktikum" 9. Auflage, VEB Deutscher Verlag der Wissenschaften, Berlin 1969, S. 222 - 223
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