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Extract from the Register of European Patents

EP About this file: EP0440061

EP0440061 - Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 05.02.1999 Database last updated on 19.10.2024
Most recent event Tooltip	07.12.2007	Lapse of the patent in a contracting state	published on 09.01.2008 [2008/02]
Applicant(s)	For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP
	[N/P]
Former [1991/32]	For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP
Inventor(s)	01 / Iwaki, Takashi, c/o Canon Kabushiki Kaisha 3-30-2 Shimomaruko Ohta-ku, Tokyo / JP
	02 / Takiguchi, Takao, c/o Canon Kabushiki Kaisha 3-30-2 Shimomaruko Ohta-ku, Tokyo / JP
	03 / Togano, Takeshi, c/o Canon Kabushiki Kaisha 3-30-2 Shimomaruko Ohta-ku, Tokyo / JP
	04 / Yamada, Yoko, c/o Canon Kabushiki Kaisha 3-30-2 Shimomaruko Ohta-ku, Tokyo / JP
	05 / Nakamura, Shinichi, c/o Canon Kabushiki Kaisha 3-30-2 Shimomaruko Ohta-ku, Tokyo / JP
	[1991/32]
Representative(s)	Bühling, Gerhard, et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München / DE
	[N/P]
Former [1994/08]	Bühling, Gerhard, Dipl.-Chem., et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE
Former [1991/32]	Bühling, Gerhard, Dipl.-Chem. Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE
Application number, filing date	91100694.8	21.01.1991
	[1991/32]
Priority number, date	JP19900012065	22.01.1990 Original published format: JP 1206590
	JP19900019725	30.01.1990 Original published format: JP 1972590
	JP19900332694	29.11.1990 Original published format: JP 33269490
	[1991/32]
Filing language	EN
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0440061
	Date:	07.08.1991
	Language:	EN
	[1991/32]
	Type:	B1 Patent specification
	No.:	EP0440061
	Date:	01.04.1998
	Language:	EN
	[1998/14]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	17.04.1991
Classification	IPC:	C07D277/22, C09K19/04, G02F1/13	[1991/32]
	CPC:	C07D417/04 (EP,US); C07D277/64 (EP,US); C07D277/66 (EP,US); C07D417/10 (EP,US); C09K19/3491 (EP,US); C09K19/3497 (EP,US); (+) C09K19/42 (EP,US) (-)
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1991/32]
Title	German:	Mesomorphe Verbindungen, diese enthaltende flüssigkristalline Zusammensetzung, dieselbe benutzende flüssigkristalline Vorrichtung und Flüssigkristallanzeigevorrichtung	[1991/32]
	English:	Mesomorphic compound, liquid crystal composition containing same, liquid crystal device using same and display apparatus	[1991/32]
	French:	Composé mésomorphe, composition de cristaux liquides contenant ledit composé et dispositif à cristaux liquides utilisant ledit composé et dispositif d'affichage à cristaux liquides	[1991/32]
Miscellaneous	EPB 1995/15: Teilanmeldung 95101836.5 eingereicht am 21/01/91
	EPB 1995/15: Divisional application 95101836.5 filed on 21/01/91
	EPB 1995/15: Demande divisionnaire 95101836.5 déposée le 21/01/91
Examination procedure	21.01.1991	Examination requested [1991/32]
	23.06.1994	Despatch of a communication from the examining division (Time limit: M06)
	02.01.1995	Reply to a communication from the examining division
	16.01.1995	Despatch of a communication from the examining division (Time limit: M06)
	20.07.1995	Reply to a communication from the examining division
	22.09.1995	Despatch of a communication from the examining division (Time limit: M06)
	27.03.1996	Reply to a communication from the examining division
	19.09.1996	Despatch of a communication from the examining division (Time limit: M04)
	14.01.1997	Reply to a communication from the examining division
	23.05.1997	Despatch of communication of intention to grant (Approval: Yes)
	02.10.1997	Communication of intention to grant the patent
	31.12.1997	Fee for grant paid
	31.12.1997	Fee for publishing/printing paid
Divisional application(s)	EP95101836.5 / EP0667385
Opposition(s)	05.01.1999	No opposition filed within time limit [1999/12]
Fees paid	Renewal fee
	26.01.1993	Renewal fee patent year 03
	25.01.1994	Renewal fee patent year 04
	30.01.1995	Renewal fee patent year 05
	25.01.1996	Renewal fee patent year 06
	29.01.1997	Renewal fee patent year 07
	28.01.1998	Renewal fee patent year 08
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 Tooltip	AT	01.04.1998
	BE	01.04.1998
	ES	01.04.1998
	GR	01.04.1998
	IT	01.04.1998
	DK	01.07.1998
	SE	01.07.1998
	[2008/02]
Former [2003/45]	AT	01.04.1998
	BE	01.04.1998
	ES	01.04.1998
	GR	01.04.1998
	IT	01.04.1998
	DK	01.07.1998
	SE	01.07.1998
Former [2002/25]	AT	01.04.1998
	BE	01.04.1998
	ES	01.04.1998
	GR	01.04.1998
	IT	01.04.1998
	SE	01.07.1998
Former [2001/23]	AT	01.04.1998
	BE	01.04.1998
	GR	01.04.1998
	IT	01.04.1998
	SE	01.07.1998
Former [1999/42]	AT	01.04.1998
	BE	01.04.1998
	IT	01.04.1998
	SE	01.07.1998
Former [1999/27]	AT	01.04.1998
	BE	01.04.1998
	SE	01.07.1998
Former [1999/01]	AT	01.04.1998
	SE	01.07.1998
Former [1998/44]	SE	01.07.1998
Documents cited:	Search	[A]JP58021451 ;
		[A]US4153343 (BLOOM ALLEN, et al)
		[A] - CHEMICAL ABSTRACTS, vol. 99, no. 12, September 19, 1983, Columbus, Ohio, USA, CASIO COMPUTER CO "Dichroic dyes for liquid crystalls" page 75, column 1, abstract- No. 89 610p; & JP-A-58 021 451., & JP58021451 A 00000000
		[ ] - CHEMICAL ABSTRACTS, vol. 87, no. 1, July 4, 1977, Columbus, Ohio, USA, PAVLYUCHENKO, A.I. et al. "Nematic liquid crystals containing pyridine and benzazole rings", page 392, column 2, abstract-No. 4 816q; & Mol. Cryst. Liq. Cryst. 1976, vol 37, no. 1-4, pages 35-46.
	Examination	JPS584778

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