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Extract from the Register of European Patents

EP About this file: EP0540829

EP0540829 - Novel liquid crystal alignment treating agent [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.12.1997
Database last updated on 27.07.2024
Most recent event   Tooltip30.07.2004Change - lapse in a contracting state
Updated state(s): LU		published on 15.09.2004  [2004/38]
Applicant(s)For all designated states
NISSAN CHEMICAL INDUSTRIES LTD.
7-1, 3-chome Kanda-Nishiki-cho Chiyoda-ku
Tokyo / JP
[N/P]
Former [1993/19]For all designated states
NISSAN CHEMICAL INDUSTRIES LTD.
7-1, 3-chome Kanda-Nishiki-cho
Chiyoda-ku Tokyo / JP
Inventor(s)01 / Isogai, Hideyuki, c/o Nissan Chemical Ind. Ltd.
Chuo Kenkyusho, 722-1, Tsuboi-cho
Funabashi-shi, Chiba-ken / JP
02 / Abe, Toyohiko, c/o Nissan Chemical Ind. Ltd.
Chuo Kenkyusho, 722-1, Tsuboi-cho
Funabashi-shi, Chiba-ken / JP
03 / * * *
04 / Fukuro, Hiroyoshi, c/o Nissan Chemical Ind. Ltd.
Chuo Kenkyusho, 722-1, Tsuboi-cho
Funabashi-shi, Chiba-ken / JP
[1993/19]
Representative(s)Wächtershäuser, Günter
Wächtershäuser & Hartz
Patentanwälte
Ottostrasse 4
80333 München / DE
[N/P]
Former [1993/19]Wächtershäuser, Günter, Prof. Dr.
Patentanwalt, Tal 29
D-80331 München / DE
Application number, filing date92113417.706.08.1992
[1993/19]
Priority number, dateJP1991020291613.08.1991         Original published format: JP 20291691
[1993/19]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0540829
Date:12.05.1993
Language:EN
[1993/19]
Type: B1 Patent specification 
No.:EP0540829
Date:26.02.1997
Language:EN
[1997/09]
Search report(s)(Supplementary) European search report - dispatched on:EP18.11.1992
ClassificationIPC:G02F1/1337, C08G73/10
[1993/19]
CPC:
C08G73/1067 (EP,US); C09K19/56 (KR); C08G73/1071 (EP,US);
G02F1/133723 (EP,US); C09K2323/023 (EP,US); C09K2323/027 (EP,US);
C09K2323/0271 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [1993/19]
TitleGerman:Neues Flüssigkristallorientierungsmittel[1993/19]
English:Novel liquid crystal alignment treating agent[1993/19]
French:Nouvel agent d'alignement de cristal liquide[1993/19]
Examination procedure02.09.1993Examination requested  [1993/44]
24.07.1995Despatch of a communication from the examining division (Time limit: M04)
30.11.1995Reply to a communication from the examining division
12.04.1996Despatch of communication of intention to grant (Approval: Yes)
31.07.1996Communication of intention to grant the patent
04.10.1996Fee for grant paid
04.10.1996Fee for publishing/printing paid
Opposition(s)27.11.1997No opposition filed within time limit [1998/07]
Fees paidRenewal fee
25.08.1994Renewal fee patent year 03
31.08.1995Renewal fee patent year 04
30.08.1996Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipAT26.02.1997
BE26.02.1997
DK26.02.1997
ES26.02.1997
GR26.02.1997
PT26.05.1997
SE26.05.1997
IE06.08.1997
LU06.08.1997
[2004/38]
Former [2002/25]AT26.02.1997
BE26.02.1997
DK26.02.1997
ES26.02.1997
GR26.02.1997
PT26.05.1997
SE26.05.1997
IE06.08.1997
LU31.08.1997
Former [2001/01]AT26.02.1997
BE26.02.1997
DK26.02.1997
GR26.02.1997
PT26.05.1997
SE26.05.1997
IE06.08.1997
LU31.08.1997
Former [2000/05]AT26.02.1997
BE26.02.1997
DK26.02.1997
GR26.02.1997
PT26.05.1997
SE26.05.1997
LU31.08.1997
Former [1998/15]AT26.02.1997
BE26.02.1997
DK26.02.1997
PT26.05.1997
SE26.05.1997
Former [1998/11]AT26.02.1997
BE26.02.1997
PT26.05.1997
SE26.05.1997
Former [1998/03]AT26.02.1997
BE26.02.1997
PT26.05.1997
Former [1997/49]AT26.02.1997
BE26.02.1997
Former [1997/42]AT26.02.1997
Documents cited:Search[X]EP0059790  (SIEMENS AG [DE]);
 [X]EP0365855  (HITACHI CHEMICAL CO LTD [JP]);
 [X]EP0415447  (CANON KK [JP])
ExaminationEP0456512
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.