EP About this file: EP0479103

EP0479103 - Process for the production of urea by steps with differentiated yields, and relevant implementations also on existing plants [Right-click to bookmark this link]
Status	Patent revoked Status updated on 11.01.2003 Database last updated on 05.04.2025
Most recent event Tooltip	08.08.2008	Change - representative	published on 10.09.2008 [2008/37]
Applicant(s)	For all designated states UREA CASALE S.A. Via Sorengo, 7 6900 Lugano-Besso / CH
	[N/P]
Former [1993/17]	For all designated states UREA CASALE S.A. Via Sorengo, 7 CH-6900 Lugano-Besso / CH
Former [1992/15]	For all designated states UREA CASALE S.A. Via Della Posta 4 CH-6900 Lugano / CH
Inventor(s)	01 / Pagani, Giorgio Salita dei Frati 13 CH-6900 Lugano / CH
	[1992/15]
Representative(s)	Zardi, Marco, et al M. Zardi & Co. SA Via Pioda 6 6900 Lugano / CH
	[N/P]
Former [2008/37]	Zardi, Marco, et al M. Zardi & Co. S.A. Via Pioda 6 6900 Lugano / CH
Former [2000/10]	Zardi, Marco, et al M. Zardi & Co. Via Pioda, 6 6900 Lugano / CH
Former [1999/03]	Zardi, Marco, et al c/o Zardi & Partners S.A., Via Pioda 9 6900 Lugano / CH
Former [1996/10]	Checcacci, Giorgio, et al PORTA, CHECCACCI & BOTTI s.r.l. Viale Sabotino, 19/2 I-20135 Milano / IT
Former [1993/17]	Checcacci, Giorgio PORTA, CHECCACCI & BOTTI s.r.l. Viale Sabotino, 19/2 I-20135 Milano / IT
Former [1993/05]	(deleted)
Former [1992/15]	Incollingo, Italo Piazzale Lavater, 3 I-20129 Milano / IT
Application number, filing date	91116297.2	25.09.1991
	[1992/15]
Priority number, date	CH19900003216	05.10.1990 Original published format: CH 321690
	[1992/15]
Filing language	IT
Procedural language	EN
Publication	Type:	A1 Application with search report
	No.:	EP0479103
	Date:	08.04.1992
	Language:	EN
	[1992/15]
	Type:	B1 Patent specification
	No.:	EP0479103
	Date:	06.03.1996
	Language:	EN
	[1996/10]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	21.01.1992
Classification	IPC:	C07C273/04	[1992/15]
	CPC:	C07C273/04 (EP,US); Y02P20/141 (EP,US); Y02P20/582 (EP,US)
Designated contracting states	AT, DE, FR, GB, IT, NL [1992/23]
Former [1992/15]	AT, DE, ES, FR, GB, IT, NL
Title	German:	Verfahren zur Herstellung von Harnstoff mit unterschiedlichen Leistungen sowie die Implementierung in existierenden Anlagen	[1992/15]
	English:	Process for the production of urea by steps with differentiated yields, and relevant implementations also on existing plants	[1992/15]
	French:	Procédé pour la production d'urée en étapes avec rendement différentié et les implementations de ceux-ci dans des usines existantes	[1992/15]
Examination procedure	26.10.1991	Loss of particular rights, legal effect: designated state(s)
	08.01.1992	Despatch of communication of loss of particular rights: designated state(s) ES
	08.10.1992	Examination requested [1992/50]
	10.05.1994	Despatch of a communication from the examining division (Time limit: M04)
	07.09.1994	Reply to a communication from the examining division
	05.10.1994	Despatch of a communication from the examining division (Time limit: M06)
	05.04.1995	Reply to a communication from the examining division
	07.06.1995	Despatch of communication of intention to grant (Approval: Yes)
	07.09.1995	Communication of intention to grant the patent
	24.10.1995	Fee for grant paid
	24.10.1995	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 29.11.1996 DSM N.V. Postbox 605 NL-6160 AP Geleen / NL
		02 06.12.1996 ADMISSIBLE SNAMPROGETTI S.p.A. Viale De Gasperi, 16 20097 - San Donato Milanese Milano / IT Opponent's representative Brandl, Ferdinand Anton Winter, Brandl, Fürniss, Hübner Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei, Alois-Steinecker-Strasse 22 85354 Freising / DE
		[N/P]
	Former [1997/05]
	Opponent(s)	01 29.11.1996 DSM N.V. Postbox 605 NL-6160 AP Geleen / NL
		02 06.12.1996 ADMISSIBLE SNAMPROGETTI S.p.A. V.le De Gaspari, 16 20097 - S. Donato Milanese Milano / IT Opponent's representative Brandl, Ferdinand Anton Winter, Brandl, Fürniss, Hübner, Röss, Kaiser, Polte Partnerschaft Patent- und Rechtsanwaltskanzlei Alois-Steinecker-Strasse 22 85354 Freising / DE
	Former [1997/04]
	Opponent(s)	01 29.11.1996 ADMISSIBLE DSM N.V. Postbox 605 NL-6160 AP Geleen / NL
	10.01.1997	Invitation to proprietor to file observations on the notice of opposition
	15.07.1997	Reply of patent proprietor to notice(s) of opposition
	02.12.1997	Despatch of a communication from the opposition division (Time limit: M07)
	19.06.1998	Reply to a communication from the opposition division
	20.07.1999	Date of oral proceedings
	03.08.1999	Despatch of minutes of oral proceedings
	03.08.1999	Despatch of communication that the patent will be revoked
	02.10.2002	Legal effect of revocation of patent [2003/09]
Appeal following opposition	04.10.1999	Appeal received No. T0980/99
	13.12.1999	Statement of grounds filed
	02.10.2002	Result of appeal procedure: appeal of the proprietor was rejected
	02.10.2002	Date of oral proceedings
	15.10.2002	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	01.09.1993	Renewal fee patent year 03
	23.09.1994	Renewal fee patent year 04
	27.09.1995	Renewal fee patent year 05
	Penalty fee
	Penalty fee Rule 85a EPC 1973
	08.11.1991	ES M01 Not yet paid
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Lapses during opposition Tooltip	GB	25.09.1996
	[1997/42]
Documents cited:	Search	[A]FR1573707 ;
		[A]DE1643092 (MITSUI TOATSU CHEMICALS)

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