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EP0242641

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Extract from the Register of European Patents

EP About this file: EP0242641

EP0242641 - Process for waste water treatment [Right-click to bookmark this link]
Status	The application has been refused Status updated on 18.03.1992 Database last updated on 11.04.2026
Most recent event Tooltip	07.07.2007	Change - inventor	published on 08.08.2007 [2007/32]
Applicant(s)	For all designated states Keramchemie GmbH Berggarten 1 56427 Siershahn / DE
	[N/P]
Former [1987/44]	For all designated states Keramchemie GmbH Berggarten 1 D-56427 Siershahn / DE
Inventor(s)	01 / Heimhardt, Hans-Jürgen, Dr. Am Hang 29 D-4330 Mühlheim-Saam / DE
	02 / Hehl, Werner Lessingstrasse 15 D-5433 Siershahn / DE
	03 / Allef, Jürgen, Dipl.-Ing. Am Himmelfeld 72 D-5430 Montabaur / DE
	[1987/44]
Representative(s)	Kossobutzki, Walter Kutzenberger & Wolff Patentanwaltssozietät Waldstrasse 6 56244 Helferskirchen / DE
	[N/P]
Former [1987/44]	Kossobutzki, Walter, Dipl.-Ing.(FH) Hochstrasse 7 D-56244 Helferskirchen / DE
Application number, filing date	87104729.6	31.03.1987
	[1987/44]
Priority number, date	DE19863611448	05.04.1986 Original published format: DE 3611448
	[1987/44]
Filing language	DE
Procedural language	DE
Publication	Type:	A2 Application without search report
	No.:	EP0242641
	Date:	28.10.1987
	Language:	DE
	[1987/44]
	Type:	A3 Search report
	No.:	EP0242641
	Date:	30.08.1989
	Language:	DE
	[1989/35]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	13.07.1989
Classification	IPC:	C02F1/64, C02F1/62, C02F1/52	[1989/34]
	CPC:	C02F9/00 (EP); C02F1/5236 (EP); C02F1/66 (EP); C02F1/70 (EP); C02F2101/20 (EP); C02F2101/203 (EP); (+) C02F2103/16 (EP); C02F2209/06 (EP) (-)
	Former IPC [1987/44]	C02F1/52, C02F1/62
Designated contracting states	AT, BE, CH, ES, FR, GB, IT, LI, LU, NL, SE [1987/44]
Title	German:	Verfahren zur Behandlung von Abwasser	[1987/44]
	English:	Process for waste water treatment	[1987/44]
	French:	Procédé de traitement d'eau usée	[1987/44]
File destroyed:	12.06.1999
Examination procedure	06.02.1990	Examination requested [1990/14]
	25.09.1990	Despatch of a communication from the examining division (Time limit: M04)
	25.01.1991	Reply to a communication from the examining division
	22.05.1991	Despatch of a communication from the examining division (Time limit: M04)
	05.08.1991	Reply to a communication from the examining division
	02.12.1991	Despatch of communication that the application is refused, reason: substantive examination [1992/19]
	12.12.1991	Application refused, date of legal effect [1992/19]
Fees paid	Renewal fee
	16.03.1989	Renewal fee patent year 03
	06.02.1990	Renewal fee patent year 04
	14.03.1991	Renewal fee patent year 05
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