EP0347942A3

Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same

Abstract

A ferroelectric chiral smectic liquid crystal composition, comprising at least one compound represented by the following formula (I): wherein R1 denotes a linear or branched alkyl group having 1 - 18 carbon atoms capable of having a substituent; X1 denotes a single bond, -0- or Z denotes a single bond or orand n is an integer of 1 - 12; and at least one compound represented by the following formula (II): wherein R2 and R3 respectively denote a linear or branched alkyl group having 1 - 18 carbon atoms capable of having substituent, at lease one of R2 and R3 being optically active; X2 and X3 respectively denote a single bond,

EP0347942A3, drawing sheet 1 — Sheet 1 of 8

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Term ended

Projected expiry passed 23 June 2009, 17.3 years ago.

8 sheets

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Sheet 2
Sheet 3
Sheet 4
Sheet 5
Sheet 6
Sheet 7
Sheet 8

Every citation, both ways

Citations
Document	Relation	Office	Category	Cited during
EP0267585A2	Cites	European Patent Office (EPO)	X	Search report
EP0315958A2	Cites	European Patent Office (EPO)	YP	Search report
EP0335348A2	Cites	European Patent Office (EPO)	E	Search report
WO8606373A1	Cites	World Intellectual Property Organization (WIPO)	X	Search report

146 members in 9 offices

This recordMember, by publication datePriority claim

Priority claims9

Priority claims
Document	Office	Kind	Date
15767588	Japan	–	1988-06-24
15767588	Japan	A	1988-06-24
17658688	Japan	–	1988-07-14
17658688	Japan	A	1988-07-14
14799589	Japan	–	1989-06-09
14799589	Japan	A	1989-06-09
JP19880157675	–	–	–
JP19880176586	–	–	–
JP19890147995	–	–	–

Members146

Family members, oldest first
Document	Office	Kind
EP0335348A2	European Patent Office (EPO)	A2	1989-10-04
EP0347940A2	European Patent Office (EPO)	A2	1989-12-27
EP0347941A2	European Patent Office (EPO)	A2	1989-12-27
EP0347942A2	European Patent Office (EPO)	A2	1989-12-27
EP0347943A2	European Patent Office (EPO)	A2	1989-12-27
EP0347944A2	European Patent Office (EPO)	A2	1989-12-27
EP0351587A2	European Patent Office (EPO)	A2	1990-01-24
JPH0224385A	Japan	A	1990-01-26
JPH0224388A	Japan	A	1990-01-26
JPH0224389A	Japan	A	1990-01-26
JPH0228285A	Japan	A	1990-01-30
JPH0228287A	Japan	A	1990-01-30
JPH0228288A	Japan	A	1990-01-30
JPH0228289A	Japan	A	1990-01-30
EP0352479A2	European Patent Office (EPO)	A2	1990-01-31
EP0352480A2	European Patent Office (EPO)	A2	1990-01-31
JPH0229491A	Japan	A	1990-01-31
JPH0236298A	Japan	A	1990-02-06
JPH0238485A	Japan	A	1990-02-07
JPH0238486A	Japan	A	1990-02-07
JPH0238487A	Japan	A	1990-02-07
JPH0238488A	Japan	A	1990-02-07
JPH0238489A	Japan	A	1990-02-07
EP0355313A2	European Patent Office (EPO)	A2	1990-02-28
EP0355314A2	European Patent Office (EPO)	A2	1990-02-28
JPH02275868A	Japan	A	1990-11-09
EP0335348A3	European Patent Office (EPO)	A3	1990-12-05
JPH0312477A	Japan	A	1991-01-21
JPH0312478A	Japan	A	1991-01-21
JPH0312480A	Japan	A	1991-01-21
JPH0312482A	Japan	A	1991-01-21
JPH0312483A	Japan	A	1991-01-21
JPH0312484A	Japan	A	1991-01-21
JPH0312485A	Japan	A	1991-01-21
JPH0312487A	Japan	A	1991-01-21
JPH0312488A	Japan	A	1991-01-21
JPH0312490A	Japan	A	1991-01-21
US5034151A	United States of America	A	1991-07-23
EP0347941A3	European Patent Office (EPO)	A3	1991-08-28
EP0347942A3This record	European Patent Office (EPO)	A3	1991-09-04
EP0352480A3	European Patent Office (EPO)	A3	1991-09-04
EP0347943A3	European Patent Office (EPO)	A3	1991-09-11
EP0352479A3	European Patent Office (EPO)	A3	1991-09-11
EP0351587A3	European Patent Office (EPO)	A3	1991-09-18
EP0355314A3	European Patent Office (EPO)	A3	1991-09-18
EP0347944A3	European Patent Office (EPO)	A3	1991-10-09
EP0347940A3	European Patent Office (EPO)	A3	1991-10-16
EP0355313A3	European Patent Office (EPO)	A3	1991-10-23
NO924918D0	Norway	D0	1992-12-18
FI925723A	Finland	A	1993-06-20
NO924918L	Norway	L	1993-06-21
EP0547282A1	European Patent Office (EPO)	A1	1993-06-23
US5238601A	United States of America	A	1993-08-24
US5240637A	United States of America	A	1993-08-31
JPH05249094A	Japan	A	1993-09-28
US5250217A	United States of America	A	1993-10-05
US5290520A	United States of America	A	1994-03-01
US5292453A	United States of America	A	1994-03-08
US5328640A	United States of America	A	1994-07-12
EP0352479B1	European Patent Office (EPO)	B1	1994-08-31
EP0355313B1	European Patent Office (EPO)	B1	1994-08-31
EP0355314B1	European Patent Office (EPO)	B1	1994-08-31
EP0347943B1	European Patent Office (EPO)	B1	1994-09-14
AT110762T	Austria	T	1994-09-15
AT110763T	Austria	T	1994-09-15
AT110764T	Austria	T	1994-09-15
AT111504T	Austria	T	1994-09-15
ATE110762T1	Austria	T1	1994-09-15
ATE110763T1	Austria	T1	1994-09-15
ATE110764T1	Austria	T1	1994-09-15
ATE111504T1	Austria	T1	1994-09-15
EP0347940B1	European Patent Office (EPO)	B1	1994-09-21
EP0347942B1	European Patent Office (EPO)	B1	1994-09-21
EP0351587B1	European Patent Office (EPO)	B1	1994-09-21
DE68917824D1	Germany	D1	1994-10-06
DE68917832D1	Germany	D1	1994-10-06
DE68917833D1	Germany	D1	1994-10-06
AT111944T	Austria	T	1994-10-15
AT111947T	Austria	T	1994-10-15
AT111949T	Austria	T	1994-10-15
ATE111944T1	Austria	T1	1994-10-15
ATE111947T1	Austria	T1	1994-10-15
ATE111949T1	Austria	T1	1994-10-15
DE68918172D1	Germany	D1	1994-10-20
DE68918341D1	Germany	D1	1994-10-27
DE68918342D1	Germany	D1	1994-10-27
DE68918358D1	Germany	D1	1994-10-27
ES2058401T3	Spain	T3	1994-11-01
ES2058402T3	Spain	T3	1994-11-01
ES2058403T3	Spain	T3	1994-11-01
ES2058404T3	Spain	T3	1994-11-01
US5364559A	United States of America	A	1994-11-15
ES2059629T3	Spain	T3	1994-11-16
ES2059630T3	Spain	T3	1994-11-16
ES2059631T3	Spain	T3	1994-11-16
DE68917824T2	Germany	T2	1995-01-19
DE68917832T2	Germany	T2	1995-01-26
DE68917833T2	Germany	T2	1995-01-26
DE68918172T2	Germany	T2	1995-01-26
EP0347944B1	European Patent Office (EPO)	B1	1995-02-01

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46 legal events, as 5 offices reported them to INPADOC

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	Event	Code	Office
2005-09-16	Announcement of lapse in spainLapsedFD2A	FD2A	ES
2005-06-23	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2005-02-08	Se: european patent has lapsedLapsedEUG	EUG	EP
2005-02-01	Se: european patent has lapsedLapsedEUG	EUG	EP
2004-06-24	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-06-24	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-04-02	Notification of lapseLapsedST	ST	FR
2004-03-01	Nl: lapsed or anulled due to non-payment of the annual feeLapsedNLV4	NLV4	EP
2004-02-27	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-02-13	Patent ceasedCeasedPL	PL	CH
2004-02-11	Gb: european patent ceased through non-payment of renewal feeCeasedGBPC	GBPC	EP
2004-01-01	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2004-01-01	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2003-06-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2003-06-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2003-06-23	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
2003-06-19	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2003-06-04	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2002-07-02	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2002-06-28	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2002-06-26	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2002-06-19	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2002-06-10	Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP	PGFP	EP
2002-01-01	European patent in force as of 2002-01-01IF02	IF02	GB
1995-09-13	No opposition filedOpposition26N	26N	EP
1995-07-22	No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE	PLBE	EP
1995-07-22	Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA	STAA	EP
1995-06-30	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
1995-01-31	Se: european patent in force in swedenEAL	EAL	EP
1994-12-09	Fr: translation filedET	ET	EP
1994-11-16	Definitive protectionFG2A	FG2A	ES
1994-10-27	Corresponds to:REF	REF	EP
1994-09-21	Designated contracting statesAK	AK	EP
1994-09-21	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
1994-09-21	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
1994-09-21	Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25	PG25	EP
1994-09-21	Corresponds to:REF	REF	EP
1994-08-05	(expected) grantORIGINAL CODE: 0009210GRAA	GRAA	EP
1994-08-03	It: translation for a ep patent filedITF	ITF	EP
1994-08-03	It: translation for a ep patent filedITF	ITF	EP
1992-04-29	First examination report despatched17Q	17Q	EP
1991-09-04	Designated contracting statesAK	AK	EP
1991-07-17	Search report despatchedORIGINAL CODE: 0009013PUAL	PUAL	EP
1989-12-27	Request for examination filed17P	17P	EP
1989-12-27	Designated contracting statesAK	AK	EP
1989-11-11	Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI	PUAI	EP

Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same

Abstract

Term

Priority claims9

Members146

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