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Extract from the Register of European Patents

EP About this file: EP0531568

EP0531568 - Process for preparing light polarising casting films [Right-click to bookmark this link]
Former [1993/11]Light polarizing films and process for preparing them
[1997/11]
StatusThe application has been withdrawn
Status updated on  07.03.1997
Database last updated on 08.10.2024
Most recent event   Tooltip07.03.1997Withdrawal of applicationpublished on 23.04.1997 [1997/17]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1993/11]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Claussen, Uwe, Dr.
Am Wasserturm 15 b
W-5090 Leverkusen 3 / DE
02 / Kröck, Friedrich Wilhelm, Dr.
Ackerstrasse 45
W-5068 Odenthal / DE
03 / Roche, Edouard, Dr.
Im Zinkenpütz 12
W-5204 Lohmar 1 / DE
[1993/11]
Application number, filing date91115428.412.09.1991
[1993/11]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0531568
Date:17.03.1993
Language:DE
[1993/11]
Search report(s)(Supplementary) European search report - dispatched on:EP22.05.1992
ClassificationIPC:C08J5/18, C08J7/04, G02B5/30, // C08L29/04
[1993/11]
CPC:
B29C39/123 (EP); B29C41/28 (EP); B29C41/32 (EP);
B29C55/023 (EP); C08J5/18 (EP); C08K5/0041 (EP);
G02B1/08 (EP); B29K2029/04 (EP); B29K2995/002 (EP);
C08J2329/04 (EP) (-)
C-Set:
C08K5/0041, C08L29/04 (EP)
Designated contracting statesCH,   FR,   GB,   IT,   LI,   NL [1993/11]
TitleGerman:Verfahren zur Herstellung lichtpolarisierender Giessfolien[1997/11]
English:Process for preparing light polarising casting films[1997/11]
French:Procédé pour préparer des films polarisant la lumière par coulage[1997/11]
Former [1993/11]Lichtpolarisierende Filme und ein Verfahren zu ihrer Herstellung
Former [1993/11]Light polarizing films and process for preparing them
Former [1993/11]Films polarisant la lumière et procédé pour leur préparation
Examination procedure13.07.1993Examination requested  [1993/36]
20.10.1993Despatch of a communication from the examining division (Time limit: M04)
22.10.1993Despatch of a communication from the examining division (Time limit: M04)
01.02.1994Reply to a communication from the examining division
22.11.1994Despatch of a communication from the examining division (Time limit: M04)
21.03.1995Reply to a communication from the examining division
18.09.1995Despatch of a communication from the examining division (Time limit: M02)
20.11.1995Reply to a communication from the examining division
31.05.1996Despatch of communication of intention to grant (Approval: Yes)
13.09.1996Communication of intention to grant the patent
14.11.1996Fee for grant paid
14.11.1996Fee for publishing/printing paid
21.02.1997Application withdrawn by applicant  [1997/17]
Fees paidRenewal fee
13.08.1993Renewal fee patent year 03
11.08.1994Renewal fee patent year 04
11.08.1995Renewal fee patent year 05
19.08.1996Renewal fee patent year 06
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Documents cited:Search[X]GB2144760
ExaminationDE3026614
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.