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Extract from the Register of European Patents

EP About this file: EP0240905

EP0240905 - Process for the preparation of impact-resistant poly(alkyl) styrene [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  21.12.1993
Database last updated on 05.10.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1987/42]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Bronstert, Klaus, Dr.
Gartenstrasse 26
6719 Carlsberg / DE
02 / Hoenl, Hans, Dr.
Hauptstrasse 69 a
6719 Obersuelzen / DE
03 / Echte, Adolf, Dr.
Leuschnerstrasse 42
6700 Ludwigshafen / DE
04 / Klaerner, Peter, Dr.
Hauptstrasse 62
6719 Battenberg / DE
[1987/42]
Application number, filing date87104730.431.03.1987
[1987/42]
Priority number, dateDE1986361170508.04.1986         Original published format: DE 3611705
[1987/42]
Filing languageDE
Procedural languageDE
PublicationType: A3 Search report 
No.:EP0240905
Date:30.08.1989
Language:DE
[1989/35]
Type: A2 Application without search report 
No.:EP0240905
Date:13.10.1993
Language:DE
[1993/41]
Search report(s)(Supplementary) European search report - dispatched on:EP11.07.1989
ClassificationIPC:C08F279/02, C08F285/00, // (C08F279/02, 212:06)
[1987/42]
CPC:
C08F285/00 (EP,US); C08F279/02 (EP,US)
C-Set:
C08F279/02, C08F212/06 (EP,US)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL [1987/42]
TitleGerman:Verfahren zur Herstellung von schlagfestem Poly(alkyl)styrol[1987/42]
English:Process for the preparation of impact-resistant poly(alkyl) styrene[1987/42]
French:Préparation de poly(alkyl)styrène résistant au choc[1987/42]
File destroyed:12.06.1999
Examination procedure13.01.1990Examination requested  [1990/11]
14.03.1991Despatch of a communication from the examining division (Time limit: M04)
23.07.1991Reply to a communication from the examining division
17.10.1991Despatch of a communication from the examining division (Time limit: M04)
05.11.1991Reply to a communication from the examining division
03.04.1992Despatch of a communication from the examining division (Time limit: M01)
08.05.1992Reply to a communication from the examining division
22.12.1992Despatch of communication of intention to grant (Approval: Yes)
02.03.1993Communication of intention to grant the patent
14.04.1993Fee for grant paid
14.04.1993Fee for publishing/printing paid
23.08.1993Application withdrawn by applicant  [1994/06]
Fees paidRenewal fee
30.03.1989Renewal fee patent year 03
22.03.1990Renewal fee patent year 04
02.01.1991Renewal fee patent year 05
19.03.1992Renewal fee patent year 06
17.03.1993Renewal fee patent year 07
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Documents cited:Search[Y]DE2813328  (DOW CHEMICAL CO);
 [Y]DE3409656  (BASF 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.