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EP0601483

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Extract from the Register of European Patents

EP About this file: EP0601483

EP0601483 - Pigments with colour dependant on viewing angle, it's production and use [Right-click to bookmark this link]
Status	Patent revoked Status updated on 11.05.2001 Database last updated on 11.04.2026
Most recent event Tooltip	05.10.2005	Change: Appeal number
Applicant(s)	For all designated states Consortium für elektrochemische Industrie GmbH Zielstattstrasse 20 81379 München / DE
	[N/P]
Former [1994/50]	For all designated states Consortium für elektrochemische Industrie GmbH Zielstattstrasse 20 D-81379 München / DE
Former [1994/24]	For all designated states CONSORTIUM FÜR ELEKTROCHEMISCHE INDUSTRIE GmbH Zielstattstrasse 20 D-81379 München / DE
Inventor(s)	01 / Müller-Rees, Christoph, Dr. Schillerstrasse 19 D-82049 Pullach / DE
	02 / Maurer, Robert, Dr. Danklstrasse 7 D-81371 München / DE
	03 / Stohrer, Jürgen, Dr. Wolfratshauser Strasse 193 D-81479 München / DE
	04 / Kreuzer, Franz-Heinrich, Dr. Josef-Gerstner-Strasse 13 D-82152 Martinsried / DE
	05 / Jung, Silvia Adalbertstrasse 15 D-80799 München / DE
	06 / Csellich, Franz Ottobrunner Strasse 11 D-82008 Unterhaching / DE
	[1994/24]
Application number, filing date	93119438.5	02.12.1993
	[1994/24]
Priority number, date	DE19924240743	03.12.1992 Original published format: DE 4240743
	[1994/24]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0601483
	Date:	15.06.1994
	Language:	DE
	[1994/24]
	Type:	B1 Patent specification
	No.:	EP0601483
	Date:	27.09.1995
	Language:	DE
	[1995/39]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	01.03.1994
Classification	IPC:	C09K19/40, C08G77/38	[1994/24]
	CPC:	A61K8/893 (EP,KR,US); C09K19/408 (EP,KR,US); A61K8/0295 (EP,KR,US); A61Q1/02 (EP,KR,US); C09D11/037 (KR); C09D5/36 (EP,KR,US); (+) C09K19/00 (EP,US); A61K2800/436 (EP,KR,US) (-)
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, IE, IT, LI, NL, PT, SE [1995/18]
Former [1994/24]	AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LI, LU, MC, NL, PT, SE
Title	German:	Pigmente mit vom Betrachtungswinkel abhängiger Farbigkeit, ihre Herstellung und Verwendung	[1994/24]
	English:	Pigments with colour dependant on viewing angle, it's production and use	[1994/24]
	French:	Pigments avec coloration fonction de l'angle d'observation, sa production et son utilisation	[1994/24]
Examination procedure	02.12.1993	Examination requested [1994/24]
	02.12.1993	Request for accelerated examination filed
	24.05.1994	Despatch of a communication from the examining division (Time limit: M04)
	24.05.1994	Decision about request for accelerated examination - accepted: Yes
	01.09.1994	Reply to a communication from the examining division
	06.12.1994	Despatch of communication of intention to grant (Approval: Yes)
	21.03.1995	Communication of intention to grant the patent
	27.04.1995	Fee for grant paid
	27.04.1995	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 24.06.1996 02.07.1996 ADMISSIBLE Merck Patent GmbH Postfach Frankfurter Strasse 250 64293 Darmstadt / DE
		02 26.06.1996 10.07.1996 ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE Opponent's representative Kinzebach, Werner, et al, et al Reitstötter, Kinzebach & Partner Patentanwälte Sternwartstrasse 4 81679 München / DE
		03 27.06.1996 09.07.1996 ADMISSIBLE GIESECKE & DEVRIENT GmbH Prinzregentenstrasse 159 81677 München / DE Opponent's representative Klunker, Hans-Friedrich, et al, et al Klunker IP Patenanwälte PartGmbB Patentanwälte Destouchesstrasse 68 80796 München / DE
		[N/P]
	Former [1996/35]
	Opponent(s)	01 24.06.1996 02.07.1996 ADMISSIBLE Merck Patent GmbH Postfach Frankfurter Strasse 250 D-64271 Darmstadt / DE
		02 26.06.1996 10.07.1996 ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE Opponent's representative Kinzebach, Werner, et al, et al Reitstötter, Kinzebach & Partner Patentanwälte Sternwartstrasse 4 81679 München / DE
		03 27.06.1996 09.07.1996 ADMISSIBLE GIESECKE & DEVRIENT GmbH Prinzregentenstrasse 159 D-81677 München / DE Opponent's representative Klunker, Hans-Friedrich, et al, et al Klunker Schmitt-Nilson Hirsch Patentanwälte Destouchesstrasse 68 80796 München / DE
	Former [1996/34]
	Opponent(s)	01 24.06.1996 02.07.1996 ADMISSIBLE Merck Patent GmbH Postfach Frankfurter Strasse 250 D-64271 Darmstadt / DE
		02 26.06.1996 ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE Opponent's representative Kinzebach, Werner, et al, et al Reitstötter, Kinzebach & Partner Patentanwälte Sternwartstrasse 4 81679 München / DE
		03 27.06.1996 GIESECKE & DEVRIENT GmbH Prinzregentenstrasse 159 D-81677 München / DE
	Former [1996/33]
	Opponent(s)	01 24.06.1996 ADMISSIBLE Merck Patent GmbH Postfach Frankfurter Strasse 250 D-64271 Darmstadt / DE
	21.10.1996	Invitation to proprietor to file observations on the notice of opposition
	17.04.1997	Reply of patent proprietor to notice(s) of opposition
	02.02.1998	Date of oral proceedings
	24.02.1998	Despatch of minutes of oral proceedings
	04.04.2001	Legal effect of revocation of patent [2001/26]
	04.04.2001	Despatch of communication that the patent will be revoked
Appeal following opposition	24.04.1998	Appeal received No. T0434/98
	06.07.1998	Statement of grounds filed
	09.05.2001	Interlocutory revision of appeal
	09.05.2001	Result of appeal procedure: revocation of the patent
	04.04.2001	Date of oral proceedings
	12.04.2001	Minutes of the oral proceedings despatched
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	Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:	Search	[DX] EP0358208 (CONSORTIUM ELEKTROCHEM IND et al.) [DX] 1-4,9 * page 8, line 10 - line 19 * * example -; claims 7-9 *
		[DA] EP0383376 (AKZO NV et al.) [DA] 1,9 * column 2, line 8 - line 15; examples 1,2,4 *
		[A] D. MAKOW: "color gamut of liquid crystal polysiloxanes", MOLECULAR CRYSTALS AND LIQUID CRYSTALS, LETTERS, vol. 123, no. 1/4, 1985, pages 347 - 353 [A] 1 * the whole document *
		[A] HABERLE N ET AL: "Right and left circular polarizing color filters made from crosslinkable cholesteric LC-silicones", CONFERENCE RECORD OF THE 1991 INTERNATIONAL DISPLAY RESEARCH CONFERENCE (CAT. NO.91CH3071-8), SAN DIEGO, CA, USA, 15-17 OCT. 1991, 57 - 59 [A] 1

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