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Extract from the Register of European Patents

EP About this file: EP0544923

EP0544923 - PROCESS FOR PRODUCING LIQUID CRYSTAL ALIGNMENT FILM [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.01.1999
Database last updated on 29.07.2024
Most recent event   Tooltip08.01.1999No opposition filed within time limitpublished on 24.02.1999 [1999/08]
Applicant(s)For all designated states
KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
2-4 Nakanoshima 3-chome Kita-ku Osaka-shi
Osaka-fu 530 / JP
For all designated states
CASIO COMPUTER COMPANY LIMITED
6-1, 2-chome, Nishi-Shinjuku Shinjuku-ku
Tokyo 160 / JP
[N/P]
Former [1993/23]For all designated states
KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA
2-4 Nakanoshima 3-chome
Kita-ku Osaka-shi Osaka-fu 530 / JP
For all designated states
CASIO COMPUTER COMPANY LIMITED
6-1, 2-chome, Nishi-Shinjuku
Shinjuku-ku Tokyo 160 / JP
Inventor(s)01 / NAKAJIMA, Y., c/o Hachioji Lab. of Casio Comp. Co
Ltd. Jp. 2951-1, Ishikawa-cho Hachioji-shi
Tokyo-to 192 / JP
02 / MURATA, M., c/o Centr. Res. Lab. of Kanegafuchi
Kagaku Kogyo K K; 2-80, Yoshida-cho 1-chome
Hyogo-ku Kobe-shi, Hyogo-ken / JP
03 / UEKITA, M., c/o Cent. Res. Lab. of Kanegafuchi
Kagaku Kogyo K K, 2-80, Yoshida-cho 1-chome
Hyogo-ku Kobe-shi; Hyogo-ken / JP
[1998/10]
Former [1993/23]01 / NAKAJIMA, Y., Hachioji Lab. of Casio Comp. Co
Ltd. Jp. 2951-1, Ishikawa-cho Hachioji-shi
Tokyo-to 192 / JP
02 / MURATA, M., Centr. Res. Lab. of Kanegafuchi
Kagaku Kogyo K K; 2-80, Yoshida-cho 1-chome
Hyogo-ku Kobe-shi, Hyogo-ken / JP
03 / UEKITA, M., Cent. Res. Lab. of Kanegafuchi
KagakufKogyo K K, 2-80, Yoshida-cho 1-chome
Hyogo-ku Kobe-shi; Hyogo-ken / JP
Representative(s)Hermann, Gerhard, et al
Vossius & Partner
Postfach 86 07 67
81634 München / DE
[N/P]
Former [1993/37]Hermann, Gerhard, Dr., et al
Vossius & Partner, Postfach 86 07 67
D-81634 München / DE
Application number, filing date92913994.724.06.1992
[1993/23]
WO1992JP00801
Priority number, dateJP1991018025324.06.1991         Original published format: JP 18025391
[1993/23]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9300604
Date:07.01.1993
Language:EN
[1993/02]
Type: A1 Application with search report 
No.:EP0544923
Date:09.06.1993
Language:EN
The application published by WIPO in one of the EPO official languages on 07.01.1993 takes the place of the publication of the European patent application.
[1993/23]
Type: B1 Patent specification 
No.:EP0544923
Date:04.03.1998
Language:EN
[1998/10]
Search report(s)International search report - published on:JP07.01.1993
(Supplementary) European search report - dispatched on:EP13.09.1993
ClassificationIPC:G02F1/1337
[1993/23]
CPC:
B82Y30/00 (EP,US); C08G73/1007 (EP,US); C08G73/1067 (EP,US);
G02F1/133723 (EP,US); C09K2323/06 (EP,US); G02F2202/027 (EP,US)
Designated contracting statesDE,   FR,   GB,   IT,   NL [1993/23]
TitleGerman:Verfahren zur Herstellung einer Flüssigkristallorientierungsschicht[1993/23]
English:PROCESS FOR PRODUCING LIQUID CRYSTAL ALIGNMENT FILM[1993/23]
French:PROCEDE DE PRODUCTION D'UN FILM A ALIGNEMENT DE CRISTAUX LIQUIDES[1993/23]
Entry into regional phase18.02.1993Translation filed 
18.02.1993National basic fee paid 
18.02.1993Search fee paid 
18.02.1993Designation fee(s) paid 
21.06.1993Examination fee paid 
Examination procedure21.06.1993Examination requested  [1993/37]
14.07.1995Despatch of a communication from the examining division (Time limit: M06)
24.01.1996Reply to a communication from the examining division
07.03.1996Despatch of a communication from the examining division (Time limit: M04)
17.07.1996Reply to a communication from the examining division
21.04.1997Despatch of communication of intention to grant (Approval: Yes)
01.09.1997Communication of intention to grant the patent
11.12.1997Fee for grant paid
11.12.1997Fee for publishing/printing paid
Opposition(s)05.12.1998No opposition filed within time limit [1999/08]
Fees paidRenewal fee
30.06.1994Renewal fee patent year 03
29.06.1995Renewal fee patent year 04
27.06.1996Renewal fee patent year 05
27.06.1997Renewal fee patent year 06
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Cited inInternational search[A]JPS62209415  (RICOH KK);
 [Y]JPS6323131  (KANEGAFUCHI CHEMICAL IND);
 [Y]JPS6366540  (MATSUSHITA ELECTRIC IND CO LTD)
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.