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Extract from the Register of European Patents

EP About this file: EP0413190

EP0413190 - Polycarbonates prepared from n-alkyl substituted cyclohexylidene diphenols [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  08.05.1992
Database last updated on 25.09.2024
Most recent event   Tooltip08.05.1992Withdrawal of applicationpublished on 01.07.1992 [1992/27]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1991/08]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Serini, Volker, Dr.
Sebastian-Kneipp-Weg 2
D-4150 Krefeld / DE
02 / Freitag, Dieter, Dr.
Hasenheide 10
D-4150 Krefeld 1 / DE
03 / Westeppe, Uwe, Dr.
Vogelskamp 72
D-4020 Mettmann / DE
04 / Idel, Karsten-Josef, Dr.
Am Schwarzkamp 38
D-4150 Krefeld / DE
05 / Grigo, Ulrich, Dr.
Michelsheide 9
D-4152 Kempen 3 / DE
[1991/08]
Application number, filing date90114638.131.07.1990
[1991/08]
Priority number, dateDE1989392676812.08.1989         Original published format: DE 3926768
[1991/08]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0413190
Date:20.02.1991
Language:DE
[1991/08]
Type: A3 Search report 
No.:EP0413190
Date:17.04.1991
Language:DE
[1991/16]
Search report(s)(Supplementary) European search report - dispatched on:EP01.03.1991
ClassificationIPC:C08G64/06, C08L69/00, C08K3/00, C08K5/00, C07C39/17
[1991/14]
CPC:
C08L69/00 (EP); C08G64/06 (EP)
Former IPC [1991/08]C08G64/06, C08L69/00, C08K3/00, C08K5/00
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   NL [1991/08]
TitleGerman:Polycarbonate aus n-Alkyl-substituierten Cyclohexylidenbisphenolen[1991/08]
English:Polycarbonates prepared from n-alkyl substituted cyclohexylidene diphenols[1991/08]
French:Polycarbonates à partir de biphénols cyclohexylidéniques n-alkyl substitués[1991/08]
File destroyed:12.06.1999
Examination procedure31.07.1990Examination requested  [1991/08]
07.01.1992Despatch of a communication from the examining division (Time limit: M04)
06.05.1992Application withdrawn by applicant  [1992/27]
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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[XD]JP6162040  ;
 [XD]JP61105550  ;
 [XD]JP6162039  ;
 [X]US4368315  ;
 [A]DE3345945  ;
 [AP]EP0374656  ;
 [AP]EP0374623
 [XD]  - PATENT ABSTRACTS OF JAPAN vol. 10, no. 225 (P-484)(2281) 6 August 1986, & JP-A-61 62040 (FUJI XEROX CO LTD) 29 März 1986,, & JP6162040 A 19860806
 [XD]  - PATENT ABSTRACTS OF JAPAN vol. 10, no. 284 (P-501)(2340) 26 September 1986, & JP-A-61 105550 (FUJI XEROX CO LTD) 23 Mai 1986,, & JP61105550 A 19860926
 [XD]  - PATENT ABSTRACTS OF JAPAN vol. 10, no. 225 (P-484)(2281) 6 August 1986, & JP-A-61 62039 (FUJI XEROX CO LTD) 29 März 1986,, & JP6162039 A 19860806
 [AD]  - SCHNELL,H.: "CHEMISTRY AND PHYSICS OF POLYCARBONATES" 1964, INTERSCIENCE PUBLISHERS, NEW YORK
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.