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Extract from the Register of European Patents

EP About this file: EP0442086

EP0442086 - Graftcopolymers, their preparation and their use [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  30.10.1995
Database last updated on 07.06.2024
Most recent event   Tooltip30.10.1995Withdrawal of applicationpublished on 20.12.1995 [1995/51]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1991/34]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Dujardin, Ralf, Dr.
Bodelschwinghstrasse 18
W-4150 Krefeld / DE
02 / Weider, Richard, Dr.
Quettinger Strasse 78
W-5090 Leverkusen 3 / DE
03 / Horlacher, Peter, Dr.
Ginsterweg 4
W-7913 Senden / DE
04 / Nouvertné, Werner, Dr.
Burgstrasse 17b
W-4150 Krefeld / DE
[1991/34]
Application number, filing date90124182.814.12.1990
[1991/34]
Priority number, dateDE1990400467615.02.1990         Original published format: DE 4004676
[1991/34]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0442086
Date:21.08.1991
Language:DE
[1991/34]
Type: A3 Search report 
No.:EP0442086
Date:22.07.1992
Language:DE
[1992/30]
Search report(s)(Supplementary) European search report - dispatched on:EP05.06.1992
ClassificationIPC:C08G64/18, C08C19/38, C08L69/00, // (C08L69/00, 87:00)
[1991/34]
CPC:
C08G64/18 (EP,US); C08L69/00 (EP,US)
C-Set:
C08L69/00, C08L2666/14 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT,   NL [1991/34]
TitleGerman:Pfropfcopolymere, ihre Herstellung und Verwendung[1991/34]
English:Graftcopolymers, their preparation and their use[1991/34]
French:Copolymères greffés, leur préparation et leur utilisation[1991/34]
File destroyed:03.03.2001
Examination procedure14.12.1990Examination requested  [1991/34]
01.12.1994Despatch of a communication from the examining division (Time limit: M04)
13.03.1995Reply to a communication from the examining division
20.07.1995Despatch of a communication from the examining division (Time limit: M04)
19.10.1995Application withdrawn by applicant  [1995/51]
Fees paidRenewal fee
13.11.1992Renewal fee patent year 03
19.11.1993Renewal fee patent year 04
14.11.1994Renewal fee patent year 05
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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]US3462515  (CANTRILL JAMES E);
 [A]FR2086331  (BAYER AG);
 [A]DE1795840  (BAYER AG);
 [A]EP0176979  (BASF AG [DE]);
 [A]EP0312811  (GEN ELECTRIC [US]);
 [AP]EP0387594  (BAYER AG [DE])
 [A]  - DIE ANGEWANDTE MAKROMOLEKULARE CHEMIE, Band 60/61, Nr. 861, April 1977, Seiten 125-137; D. Margotte et al.: "Polycarbonat-gepfropfte Polyvinylverbindungen"
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.