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EP0220509

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Extract from the Register of European Patents

EP About this file: EP0220509

EP0220509 - Nacreous pigments which are stable in glazes and enamels [Right-click to bookmark this link]
Status	Patent maintained as amended Status updated on 04.09.1992 Database last updated on 11.04.2026
Most recent event Tooltip	03.08.1993	Lapse of the patent in a contracting state New state(s): BE	published on 22.09.1993 [1993/38]
Applicant(s)	For all designated states Merck Patent GmbH Frankfurter Strasse 253 64271 Darmstadt / DE
	[N/P]
Former [1987/19]	For all designated states MERCK PATENT GmbH Postfach, Frankfurter Strasse 250 D-64271 Darmstadt / DE
Inventor(s)	01 / Rau, Axel, Dr. Hans-Thoma-Strasse 8 D-7798 Pfullendorf / DE
	02 / Ambrosius, Klaus, Dr. Waldschmidtstrasse 65 D-6000 Frankfurt am Main / DE
	03 / Franz, Klaus-Dieter, Dr. Insterburger Strasse 12 D-6233 Kelkheim / DE
	[1987/19]
Application number, filing date	86113274.4	26.09.1986
	[1987/19]
Priority number, date	DE19853535818	08.10.1985 Original published format: DE 3535818
	[1987/19]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0220509
	Date:	06.05.1987
	Language:	DE
	[1987/19]
	Type:	B1 Patent specification
	No.:	EP0220509
	Date:	23.11.1989
	Language:	DE
	[1989/47]
	Type:	B2 New European patent specification
	No.:	EP0220509
	Date:	21.10.1992
	Language:	DE
	[1992/43]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	16.03.1987
Classification	IPC:	C09C1/00, C09C3/06	[1987/19]
	CPC:	C09C1/0009 (EP,US); C09C1/36 (KR); C09C1/0015 (EP,US); C09C1/0021 (EP,US); C09C3/063 (EP,US); C01P2004/20 (US); (+) C01P2004/61 (US); C01P2004/84 (US); C09C2200/102 (EP,US); C09C2200/401 (EP,US); C09C2220/103 (EP,US); C09C2220/106 (EP,US) (-)
Designated contracting states	BE, CH, DE, FR, GB, IT, LI, NL [1987/19]
Title	German:	Glasur- und emailstabile Perlglanzpigmente	[1987/19]
	English:	Nacreous pigments which are stable in glazes and enamels	[1987/19]
	French:	Pigments nacrés stables dans les glaçures et émaux	[1987/19]
Examination procedure	09.09.1987	Examination requested [1987/45]
	07.12.1988	Despatch of a communication from the examining division (Time limit: M03)
	23.02.1989	Reply to a communication from the examining division
	31.03.1989	Despatch of communication of intention to grant (Approval: Yes)
	26.04.1989	Communication of intention to grant the patent
	07.07.1989	Fee for grant paid
	07.07.1989	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 21.08.1990 Degussa AG, Frankfurt - Zweigniederlassung Wolfgang- Zentrale Abteilung Patente Rodenbacher Chaussee 4 Postfach 1345 D-63403 Hanau / DE
		[N/P]
	Former [1990/42]
	Opponent(s)	01 21.08.1990 Degussa AG, Frankfurt - Zweigniederlassung Wolfgang- Zentrale Abteilung Patente Rodenbacher Chaussee 4 Postfach 1345 D-63403 Hanau / DE
	12.10.1990	Invitation to proprietor to file observations on the notice of opposition
	19.02.1991	Reply of patent proprietor to notice(s) of opposition
	28.02.1991	Communication of observations of patent proprietor (Time limit: M02)
	29.04.1991	Reply of parties involved to observations of patent proprietor
	26.06.1991	Despatch of a communication from the opposition division (Time limit: M02)
	21.08.1991	Reply to a communication from the opposition division
	21.01.1992	Date of oral proceedings
	14.02.1992	Despatch of interlocutory decision in opposition
	14.02.1992	Despatch of minutes of oral proceedings
	24.02.1992	Legal effect of interlocutory decision in opposition
	25.05.1992	Despatch of communication that the patent will be maintained as amended
	10.08.1992	Fee for printing new specification paid
Fees paid	Renewal fee
	14.09.1988	Renewal fee patent year 03
	11.09.1989	Renewal fee patent year 04
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	BE	30.09.1992
	CH	30.09.1992
	LI	30.09.1992
	[1993/38]
Former [1993/27]	CH	30.09.1992
	LI	30.09.1992
Documents cited:	Search	[X] FR2311824 (MERCK PATENT GMBH et al.) [X]
		[X] DE1467468 (DU PONT) [X]
		[X] EP0141174 (MERCK PATENT GMBH et al.) [X]
		[A] DE1962492 (BRITISH TITAN PRODUCTS et al.) [A]
		[A] FR2145595 (LAPORTE INDUSTRIES LTD et al.) [A]

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.