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EP0023195

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EP About this file: EP0023195

EP0023195 - A method of purifying phosphoric acid of cadmium [Right-click to bookmark this link]
Former [1981/04]	A method of purifying phosphoric acid of heavy metal
	[1988/38]
Status	Patent maintained as amended Status updated on 06.08.1988 Database last updated on 24.08.2024
Most recent event Tooltip	12.11.1999	Lapse of the patent in a contracting state	published on 29.12.1999 [1999/52]
Applicant(s)	For all designated states Boliden Aktiebolag Box 5508 S-114 85 Stockholm / SE
	[1981/04]
Inventor(s)	01 / Berglund, Hans Arne Lennart Birkagatan 108 S-252 60 Helsingborg / SE
	[1981/04]
Representative(s)	Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 100 31 Stockholm / SE
	[N/P]
Former [1987/14]	Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 S-100 31 Stockholm / SE
Former [1981/44]	Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 S-100 31 Stockholm / SE
Former [1981/04]	Lundin, Björn-Eric Trelleborg AB Patents and Trade Marks Box 21024 S-100 31 Stockholm / SE
Application number, filing date	80850070.6	08.05.1980
	[1981/04]
Priority number, date	SE19790004135	10.05.1979 Original published format: SE 7904135
	[1981/04]
Filing language	SV
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0023195
	Date:	28.01.1981
	Language:	EN
	[1981/04]
	Type:	A3 Search report
	No.:	EP0023195
	Date:	09.09.1981
	Language:	EN
	[1981/36]
	Type:	B1 Patent specification
	No.:	EP0023195
	Date:	01.02.1984
	Language:	EN
	[1984/05]
	Type:	B2 New European patent specification
	No.:	EP0023195
	Date:	21.09.1988
	Language:	EN
	[1988/38]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	08.07.1981
Classification	IPC:	C01B25/238	[1981/04]
	CPC:	C01B25/238 (EP,US)
Designated contracting states	AT, BE, CH, DE, FR, GB, IT, LI, LU, NL [1981/04]
Title	German:	Verfahren zur Reinigung von Phosphorsäure von Cadmium	[1988/38]
	English:	A method of purifying phosphoric acid of cadmium	[1988/38]
	French:	Procédé de purification de l'acide phosphorique de cadmium	[1988/38]
	Former [1981/04]	Verfahren zur Reinigung von Phosphorsäure von Schwermetallen
	Former [1981/04]	A method of purifying phosphoric acid of heavy metal
	Former [1981/04]	Procédé de purification de l'acide phosphorique des métaux lourds
Examination procedure	02.03.1982	Examination requested [1982/19]
	11.10.1982	Despatch of a communication from the examining division (Time limit: M04)
	29.01.1983	Reply to a communication from the examining division
	28.06.1983	Despatch of communication of intention to grant (Approval: )
	22.07.1983	Communication of intention to grant the patent
	13.10.1983	Fee for grant paid
	13.10.1983	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 19.10.1984 29.10.1984 ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE
		02 29.10.1984 30.01.1985 DEEMED NOT TO HAVE BEEN FILED Chemische Fabrik Kalk GmbH Kalker Hauptstrasse 22 Postfach 91 01 57 D-5000 Köln 91 / DE Opponent's representative Dressler, Joachim Postfach 1368 34369 Hofgeismar / DE
		03 30.10.1984 28.12.1984 ADMISSIBLE HOECHST AKTIENGESELLSCHAFT, Frankfurt Werk Knapsack Patentabteilung D-50354 Hürth / DE
		[N/P]
	Former [1987/23]
	Opponent(s)	01 19.10.1984 29.10.1984 ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE
		02 29.10.1984 30.01.1985 DEEMED NOT TO HAVE BEEN FILED Chemische Fabrik Kalk GmbH Kalker Hauptstrasse 22 Postfach 91 01 57 D-5000 Köln 91 / DE Opponent's representative Dressler, Joachim, Dipl.-Chem. Postfach 1368 D-3520 Hofgeismar / DE
		03 30.10.1984 28.12.1984 ADMISSIBLE HOECHST AKTIENGESELLSCHAFT, Frankfurt Werk Knapsack Patentabteilung D-50354 Hürth / DE
	Former [1985/02]
	Opponent(s)	01 19.10.1984 BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE
		02 29.10.1984 DEEMED NOT TO HAVE BEEN FILED Chemische Fabrik Kalk GmbH Kalker Hauptstrasse 22 Postfach 91 01 57 D-5000 Köln 91 / DE Opponent's representative Dressler, Joachim, Dipl.-Chem. Postfach 1368 D-3520 Hofgeismar / DE
		03 30.10.1984 ADMISSIBLE HOECHST AKTIENGESELLSCHAFT, Frankfurt Werk Knapsack Patentabteilung D-50354 Hürth / DE
	Former [1984/52]
	Opponent(s)	01 19.10.1984 ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE
	08.03.1985	Invitation to proprietor to file observations on the notice of opposition
	03.07.1985	Reply of patent proprietor to notice(s) of opposition
	11.07.1985	Communication of observations of patent proprietor (Time limit: M02)
	21.05.1986	Despatch of a communication from the opposition division (Time limit: M04)
	01.10.1986	Reply to a communication from the opposition division
	14.04.1987	Despatch of a communication from the opposition division (Time limit: M04)
	05.08.1987	Reply to a communication from the opposition division
	04.11.1987	Date of oral proceedings
	04.02.1988	Despatch of minutes of oral proceedings
	18.04.1988	Despatch of communication that the patent will be maintained as amended
	11.07.1988	Fee for printing new specification paid
Fees paid	Renewal fee
	14.05.1982	Renewal fee patent year 03
	16.05.1983	Renewal fee patent year 04
	Penalty fee
	Penalty fee Rule 85a EPC 1973
	09.06.1980	AT M02 Fee paid on 31.07.1980
	09.06.1980	BE M02 Fee paid on 31.07.1980
	09.06.1980	CH M02 Fee paid on 31.07.1980
	09.06.1980	DE M02 Fee paid on 31.07.1980
	09.06.1980	FR M02 Fee paid on 31.07.1980
	09.06.1980	GB M02 Fee paid on 31.07.1980
	09.06.1980	IT M02 Fee paid on 31.07.1980
	09.06.1980	LU M02 Fee paid on 31.07.1980
	09.06.1980	NL M02 Fee paid on 31.07.1980
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	LU	31.05.1984
	[1999/52]
Documents cited:	Search	JP7875196 [ ];
		GB986154 [ ] (PROGIL)
		[ ] - CHEMICAL ABSTRACTS, Vol. 89, No. 22, November 27, 1978, page 109, Abstract 181887a Columbus, Ohio, USA & JP - A - 78 75196 (CENTRAL GLASS CO.) 04-07-1978., & JP7875196 A 00000000

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.

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