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EP0091990

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Extract from the Register of European Patents

EP About this file: EP0091990

EP0091990 - Dental restorative material [Right-click to bookmark this link]
Status	Patent revoked Status updated on 23.07.1992 Database last updated on 24.03.2026
Most recent event Tooltip	17.04.2015	Change - lapse in a contracting state State(s) deleted from list of lapses: CH, LI	published on 20.05.2015 [2015/21]
Applicant(s)	For all designated states Blendax-Werke R. Schneider GmbH & Co. Rheinallee 88 D-6500 Mainz / DE
	[1983/43]
Inventor(s)	01 / Orlowski, Jan A., Dr. 1304 Rubio Street Altadena California, 91001 / US
	[1983/43]
Representative(s)	Wolff, Hans Joachim, et al BEIL, WOLFF & BEIL, Rechtsanwälte, Postfach 80 01 40 65901 Frankfurt am Main / DE
	[N/P]
Former [1991/15]	Wolff, Hans Joachim, Dr.jur. Dipl.-Chem., et al BEIL, WOLFF & BEIL, Rechtsanwälte, Postfach 80 01 40 D-65901 Frankfurt am Main / DE
Former [1991/12]	Canonici, Jean-Jacques Procter & Gamble European Technical Center N.V. Temselaan 100 B-1853 Strombeek-Bever / BE
Application number, filing date	82111183.8	02.12.1982
	[1983/43]
Priority number, date	US19820368743	15.04.1982 Original published format: US 368743
	[1983/43]
Filing language	DE
Procedural language	DE
Publication	Type:	A2 Application without search report
	No.:	EP0091990
	Date:	26.10.1983
	Language:	DE
	[1983/43]
	Type:	A3 Search report
	No.:	EP0091990
	Date:	01.08.1984
	Language:	DE
	[1984/31]
	Type:	B1 Patent specification
	No.:	EP0091990
	Date:	18.03.1987
	Language:	DE
	[1987/12]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	29.05.1984
Classification	IPC:	A61K6/06, A61K6/08	[1983/43]
	CPC:	A61K6/887 (EP,US)
Designated contracting states	AT, BE, CH, DE, FR, GB, IT, LI, LU, NL, SE [1983/43]
Title	German:	Dentales Restorationsmaterial	[1983/43]
	English:	Dental restorative material	[1983/43]
	French:	Matériau pour la restauration des dents	[1983/43]
Examination procedure	01.08.1984	Examination requested [1984/41]
	27.06.1985	Despatch of a communication from the examining division (Time limit: M04)
	06.09.1985	Reply to a communication from the examining division
	30.10.1985	Despatch of communication of intention to grant (Approval: )
	24.02.1986	Fee for grant paid
	24.02.1986	Fee for publishing/printing paid
	17.07.1986	Communication of intention to grant the patent
Opposition(s)	Opponent(s)	01 08.12.1987 21.01.1988 ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE
		02 08.12.1987 21.01.1988 ADMISSIBLE Espe Stiftung & Co. Produktions- und Vertriebs KG Am Griesberg 2 D-82229 Seefeld / DE Opponent's representative Prinz, Egon, et al, et al Patentanwälte Prinz & Partner Manzingerweg 7 D-8000 München 60 / DE
		[N/P]
	Former [1988/05]
	Opponent(s)	01 08.12.1987 21.01.1988 ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE
		02 08.12.1987 21.01.1988 ADMISSIBLE Espe Stiftung & Co. Produktions- und Vertriebs KG Am Griesberg 2 D-82229 Seefeld / DE Opponent's representative Prinz, Egon, Dipl.-Ing., et al, et al Patentanwälte Prinz & Partner Manzingerweg 7 D-8000 München 60 / DE
	22.01.1988	Invitation to proprietor to file observations on the notice of opposition
	09.09.1988	Reply of patent proprietor to notice(s) of opposition
	20.09.1988	Communication of observations of patent proprietor (Time limit: M04)
	03.01.1989	Reply of parties involved to observations of patent proprietor
	03.10.1989	Despatch of a communication from the opposition division (Time limit: M01)
	27.10.1989	Reply to a communication from the opposition division
	02.02.1990	Despatch of a communication from the opposition division (Time limit: M04)
	07.04.1990	Reply to a communication from the opposition division
	04.03.1991	Reply to a communication from the opposition division
	15.07.1991	Despatch of a communication from the opposition division (Time limit: M04)
	13.02.1992	Despatch of communication that the patent will be revoked
	01.06.1992	Legal effect of revocation of patent [1992/37]
Appeal following opposition	06.04.1992	Appeal received No. T0312/92
	14.05.1992	Result of appeal procedure: appeal of the proprietor withdrawn
Fees paid	Renewal fee
	02.11.1984	Renewal fee patent year 03
	22.11.1985	Renewal fee patent year 04
	26.11.1986	Renewal fee patent year 05
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	SE	18.03.1987
	[2015/21]
Former [1993/01]	CH	18.03.1987
	LI	18.03.1987
	SE	18.03.1987
Former [1990/22]	SE	18.03.1987

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.