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Extract from the Register of European Patents

EP About this file: EP1491612

EP1491612 - Chroman compound, liquid crystal composition including the compound and liquid crystal display element including the liquid crystal composition [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2007
Database last updated on 04.11.2024
Most recent event   Tooltip25.09.2009Lapse of the patent in a contracting state
New state(s): HU, TR		published on 28.10.2009  [2009/44]
Applicant(s)For all designated states
Chisso Petrochemical Corporation
13-1, Kachidoki 3-chome
chuo-ku, Tokyo / JP
For all designated states
Chisso Corporation
6-32, Nakanoshima 3-chome Kita-ku Osaka-shi
Osaka 530-0055 / JP
[2006/42]
Former [2005/01]For all designated states
Chisso Petrochemical Corporation
13-1, Kachidoki 3-chome
chuo-ku, Tokyo / JP
For all designated states
Chisso Corporation
6-32, Nakanoshima 3-chome Kita-ku
Osaka-shi Osaka 530-0055 / JP
Inventor(s)01 / Sugiura, Teruyo c/o Chisso Petrochemical Corp.
Goi Research center,5-1,Goikaigan
Ichihara-shi, Chiba 290-8551 / JP
02 / Ushioda, Makoto c/o Chisso Petrochemical Corp.
Goi Research Center,5-1, Goikaigan
Ichihara-shi, Chiba 290-8551 / JP
 [2005/01]
Representative(s)Bannerman, David Gardner, et al
Withers & Rogers LLP
4 More London Riverside
London
SE1 2AU / GB
[N/P]
Former [2005/01]Bannerman, David Gardner, et al
Withers & Rogers, Goldings House, 2 Hays Lane
London SE1 2HW / GB
Application number, filing date04253757.123.06.2004
[2005/01]
Priority number, dateJP2003017767123.06.2003         Original published format: JP 2003177671
[2005/01]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1491612
Date:29.12.2004
Language:EN
[2004/53]
Type: B1 Patent specification 
No.:EP1491612
Date:18.10.2006
Language:EN
[2006/42]
Search report(s)(Supplementary) European search report - dispatched on:EP16.09.2004
ClassificationIPC:C09K19/34
[2005/01]
CPC:
C09K19/3402 (EP,US); C09K2019/3425 (EP,US); C09K2323/00 (EP,US)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2005/01]
TitleGerman:Chromanverbindung, Flüssigkristallzusammensetzung enthaltend die Verbindung und Flüssigkristallanzeigeelement enthaltend die Flüssigkristallzusammensetzung[2005/01]
English:Chroman compound, liquid crystal composition including the compound and liquid crystal display element including the liquid crystal composition[2005/01]
French:Composé de chromane, composition liquide cristalline contenant le composé et elément d'affichage à cristal liquide contenant la composition liquide cristalline[2005/01]
Examination procedure04.02.2005Examination requested  [2005/14]
21.06.2005Despatch of a communication from the examining division (Time limit: M06)
07.12.2005Reply to a communication from the examining division
16.02.2006Communication of intention to grant the patent
02.06.2006Fee for grant paid
02.06.2006Fee for publishing/printing paid
Opposition(s)19.07.2007No opposition filed within time limit [2007/42]
Fees paidRenewal fee
07.06.2006Renewal fee patent year 03
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  TooltipAT18.10.2006
BE18.10.2006
CH18.10.2006
CY18.10.2006
CZ18.10.2006
EE18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
SK18.10.2006
TR18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
GR19.01.2007
ES29.01.2007
PT19.03.2007
HU19.04.2007
LU23.06.2007
IE25.06.2007
MC30.06.2007
[2009/44]
Former [2009/40]AT18.10.2006
BE18.10.2006
CH18.10.2006
CY18.10.2006
CZ18.10.2006
EE18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
SK18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
GR19.01.2007
ES29.01.2007
PT19.03.2007
LU23.06.2007
IE25.06.2007
MC30.06.2007
Former [2009/10]AT18.10.2006
BE18.10.2006
CH18.10.2006
CZ18.10.2006
EE18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
SK18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
GR19.01.2007
ES29.01.2007
PT19.03.2007
IE25.06.2007
MC30.06.2007
Former [2008/25]AT18.10.2006
BE18.10.2006
CH18.10.2006
CZ18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
SK18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
GR19.01.2007
ES29.01.2007
PT19.03.2007
IE25.06.2007
MC30.06.2007
Former [2008/22]AT18.10.2006
BE18.10.2006
CH18.10.2006
CZ18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
SK18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
GR19.01.2007
ES29.01.2007
PT19.03.2007
MC30.06.2007
Former [2008/11]AT18.10.2006
BE18.10.2006
CH18.10.2006
CZ18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
SK18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
ES29.01.2007
PT19.03.2007
MC30.06.2007
Former [2007/47]AT18.10.2006
BE18.10.2006
CH18.10.2006
CZ18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
SK18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
ES29.01.2007
PT19.03.2007
Former [2007/43]AT18.10.2006
BE18.10.2006
CH18.10.2006
CZ18.10.2006
FI18.10.2006
IT18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
RO18.10.2006
SI18.10.2006
BG18.01.2007
DK18.01.2007
SE18.01.2007
ES29.01.2007
PT19.03.2007
Former [2007/30]AT18.10.2006
BE18.10.2006
CH18.10.2006
FI18.10.2006
LI18.10.2006
NL18.10.2006
PL18.10.2006
SI18.10.2006
BG18.01.2007
SE18.01.2007
ES29.01.2007
PT19.03.2007
Former [2007/27]AT18.10.2006
FI18.10.2006
NL18.10.2006
PL18.10.2006
SI18.10.2006
BG18.01.2007
SE18.01.2007
ES29.01.2007
PT19.03.2007
Former [2007/21]NL18.10.2006
SI18.10.2006
ES29.01.2007
Former [2007/15]SI18.10.2006
Documents cited:Search[DX]JP6256337  ;
 [DA]JP6256339  ;
 [DA]JPH0525158  ;
 [DA]JP2001316347  ;
 [A]EP1158037  (CHISSO CORP [JP], et al) [A] 23-32* claims 1,7-16 *;
 [DX]  - PATENT ABSTRACTS OF JAPAN, (19941213), vol. 0186, no. 56, Database accession no. (C - 1286), & JP6256337 A 19940913 (DAINIPPON INK & CHEM INC; others: 01) [DX] 1,2,4,6-33 * abstract *
 [DA]  - PATENT ABSTRACTS OF JAPAN, (19941213), vol. 0186, no. 56, Database accession no. (C - 1286), & JP6256339 A 19940913 (DAINIPPON INK & CHEM INC; others: 01) [DA] 1-38 * abstract *
 [DA]  - PATENT ABSTRACTS OF JAPAN, (19930614), vol. 0173, no. 09, Database accession no. (C - 1070), & JP5025158 A 19930202 (KANTO CHEM CO INC) [DA] 1-38 * abstract *
 [DA]  - PATENT ABSTRACTS OF JAPAN, (20020403), vol. 2002, no. 03, & JP2001316347 A 20011113 (DAINIPPON INK & CHEM INC) [DA] 1-38 * abstract *
 [DA]  - TAKEHARA S ET AL, "New chiral dopants for FLC materials: optically active cyclic ethers", FERROELECTRICS UK, (19930928), vol. 148, no. 1-4, ISSN 0015-0193, pages 195 - 202, XP008034869 [DA] 1 * page 201 *
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.