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Extract from the Register of European Patents

EP About this file: EP0412407

EP0412407 - Flow-improved high-tensile polycarbonates [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  21.08.1992
Database last updated on 31.08.2024
Most recent event   Tooltip21.08.1992Change - withdrawalpublished on 14.10.1992 [1992/42]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1991/07]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Idel, Karsten-Josef, Dr.
Am Schwarzkamp 38
D-4150 Krefeld / DE
02 / Grigo, Ulrich, Dr.
Michelsheide 9
D-4152 Kempen 3 / DE
03 / Westeppe, Uwe, Dr.
Vogelskamp 72
D-4020 Mettmann / DE
04 / Weymans, Günther, Dr.
Karl-Arnold-Strasse 4
D-5090 Leverkusen / DE
05 / Horlacher, Peter, Dr.
Ginsterweg 4
D-7913 Senden / DE
[1991/07]
Application number, filing date90114637.331.07.1990
[1991/07]
Priority number, dateDE1989392661611.08.1989         Original published format: DE 3926616
DE1990400403210.02.1990         Original published format: DE 4004032
[1991/07]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0412407
Date:13.02.1991
Language:DE
[1991/07]
Type: A3 Search report 
No.:EP0412407
Date:18.09.1991
Language:DE
[1991/38]
Search report(s)(Supplementary) European search report - dispatched on:EP01.08.1991
ClassificationIPC:C08G64/14, C08G64/18
[1991/07]
CPC:
C08G64/14 (EP); C08G64/18 (EP)
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL [1991/07]
TitleGerman:Fliessverbesserte Polycarbonate guter Zähigkeit[1991/07]
English:Flow-improved high-tensile polycarbonates[1991/07]
French:Polycarbonates à bonne tenacité et écoulement amélioré[1991/07]
File destroyed:12.06.1999
Examination procedure31.07.1990Examination requested  [1991/07]
09.07.1992Application withdrawn by applicant  [1992/42]
Fees paidRenewal fee
19.06.1992Renewal fee patent year 03
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Documents cited:Search[A]US4758626  ;
 [A]FR2383984
 [X]  - JOURNAL OF POLYMER SCIENCE: POLYMER CHEMISTRY EDITION, Band 21, Mai 1983, Seiten 1251-1261, John Wiley and Sons; Z.G. GARDLUND et al.: "Polycarbonate-Poly(methyl methacrylate) block copolymers: Synthesis and characterization"
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.