Deutsch English Français

Contact

EP0568115

European procedure

Quick help

Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...

News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...

Extract from the Register of European Patents

EP About this file: EP0568115

EP0568115 - Near-azeotropic blends for use as refrigerants [Right-click to bookmark this link]
Status	Patent revoked Status updated on 18.06.2010 Database last updated on 29.03.2025
Most recent event Tooltip	20.05.2011	Lapse of the patent in a contracting state	published on 22.06.2011 [2011/25]
Applicant(s)	For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US
	[N/P]
Former [1996/19]	For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US
Former [1993/44]	For all designated states E.I. DU PONT DE NEMOURS & COMPANY INCORPORATED 1007 Market Street Wilmington Delaware 19898 / US
Inventor(s)	01 / Bivens, Donald Bernard 210 West Locust Lane Kennett Square, PA 19348 / US
	02 / Shiflett, Mark Brandon 609 Fifth Street Newark, DE 19711 / US
	03 / Yokozeki, Akimichi 109-C Congressional Drive Greenville, DE 19807 / US
	[1993/44]
Representative(s)	Matthews, Derek Peter Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD / GB
	[N/P]
Former [2004/05]	Matthews, Derek Peter Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL / GB
Former [1993/44]	BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE / GB
Application number, filing date	93111181.9	17.06.1991
	[1993/44]
Priority number, date	US19900558346	26.07.1990 Original published format: US 558346
	US19910681565	05.04.1991 Original published format: US 681565
	[1993/44]
Filing language	EN
Procedural language	EN
Publication	Type:	A2 Application without search report
	No.:	EP0568115
	Date:	03.11.1993
	Language:	EN
	[1993/44]
	Type:	A3 Search report
	No.:	EP0568115
	Date:	13.04.1994
	Language:	EN
	[1994/15]
	Type:	B1 Patent specification
	No.:	EP0568115
	Date:	20.03.1996
	Language:	EN
	[1996/12]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	24.02.1994
Classification	IPC:	C09K5/04	[1993/44]
	CPC:	C09K5/045 (EP,US); C09K2205/11 (EP,US); C09K2205/12 (EP,US); C09K2205/122 (EP,US); C09K2205/124 (EP,US); C09K2205/128 (EP,US); (+) C09K2205/22 (EP,US); C09K2205/32 (EP,US) (-)
Designated contracting states	AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1993/44]
Title	German:	Quasi-azeotrope Mischungen zur Verwendung als Kältemittel	[1993/44]
	English:	Near-azeotropic blends for use as refrigerants	[1993/44]
	French:	Mélanges quasi-azéotropes destinés à être utilisés comme refrigérants	[1993/44]
Examination procedure	13.07.1993	Examination requested [1993/44]
	13.07.1993	Request for accelerated examination filed
	06.12.1994	Despatch of a communication from the examining division (Time limit: M04)
	06.12.1994	Decision about request for accelerated examination - accepted: Yes
	04.04.1995	Reply to a communication from the examining division
	22.05.1995	Despatch of communication of intention to grant (Approval: Yes)
	28.08.1995	Communication of intention to grant the patent
	31.10.1995	Fee for grant paid
	31.10.1995	Fee for publishing/printing paid
Parent application(s) Tooltip	EP91912138.4 / EP0545942
Opposition(s)	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris ARKEMA France Département Propriété Industrielle 420, rue d'Estienne d'Orves 92705 Colombes Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP The Belgrave Centre Talbot Street Nottingham NG1 5GG / GB
		03 17.12.1996 16.06.2003 WITHDRAWN STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE SOLVAY SOLEXIS S.p.A. Via Turati, 12 20121 Milano / IT Opponent's representative Jacques, Philippe Solvay S.A. Département de la Propriété Industrielle Rue de Ransbeek, 310 1120 Bruxelles / BE
		05 20.12.1996 17.06.2003 WITHDRAWN RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services Direction de la Propriété Industrielle, 40 Rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
		[N/P]
	Former [2009/29]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris ARKEMA FRANCE Département Propriété Industrielle 420 Rue d'Estienne d'Orves 92705 Colombes Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.06.2003 WITHDRAWN STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE SOLVAY SOLEXIS S.p.A. Via Turati, 12 20121 Milano / IT Opponent's representative Jacques, Philippe Solvay S.A. Département de la Propriété Industrielle, Rue de Ransbeek, 310 1120 Bruxelles / BE
		05 20.12.1996 17.06.2003 WITHDRAWN RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services Direction de la Propriété Industrielle, 40 Rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [2009/28]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris Arkema France Département Propriété Industrielle 420, ure d'Estienne d'Orves F-92705 Colombes Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.06.2003 WITHDRAWN STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE SOLVAY SOLEXIS S.p.A. Via Turati, 12 20121 Milano / IT Opponent's representative Jacques, Philippe Solvay S.A. Département de la Propriété Industrielle, Rue de Ransbeek, 310 1120 Bruxelles / BE
		05 20.12.1996 17.06.2003 WITHDRAWN RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services Direction de la Propriété Industrielle, 40 Rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [2008/37]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris Arkema France Département Propriété Industrielle 420, ure d'Estienne d'Orves F-92705 Colombes Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.06.2003 WITHDRAWN STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE SOLVAY SOLEXIS S.p.A. Via Turati, 12 20121 Milano / IT Opponent's representative Jacques, Philippe Solvay S.A. Département de la Propriété Industrielle, Rue de Ransbeek, 310 1120 Bruxelles / BE
		05 20.12.1996 17.06.2003 WITHDRAWN RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [2008/33]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris Atofina D.C.R.D./D.P.I. 4-8, cours Michelet La Défense 10 92091 Paris La Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.06.2003 WITHDRAWN STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE SOLVAY SOLEXIS S.p.A. Via Turati, 12 20121 Milano / IT Opponent's representative Jacques, Philippe Solvay S.A. Département de la Propriété Industrielle, Rue de Ransbeek, 310 1120 Bruxelles / BE
		05 20.12.1996 17.06.2003 WITHDRAWN RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [2003/32]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris Atofina D.C.R.D./D.P.I. 4-8, cours Michelet La Défense 10 92091 Paris La Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.06.2003 WITHDRAWN STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Cruikshank & Fairweather 19 Royal Exchange Square Glasgow G1 3AE Scotland / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE SOLVAY SOLEXIS S.p.A. Via Turati, 12 20121 Milano / IT Opponent's representative Jacques, Philippe Solvay S.A. Département de la Propriété Industrielle, Rue de Ransbeek, 310 1120 Bruxelles / BE
		05 20.12.1996 17.06.2003 WITHDRAWN RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [2003/31]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris Atofina D.C.R.D./D.P.I. 4-8, cours Michelet La Défense 10 92091 Paris La Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.01.1997 ADMISSIBLE STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE SOLVAY SOLEXIS S.p.A. Via Turati, 12 20121 Milano / IT Opponent's representative Jacques, Philippe Solvay S.A. Département de la Propriété Industrielle, Rue de Ransbeek, 310 1120 Bruxelles / BE
		05 20.12.1996 15.01.1997 ADMISSIBLE RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [2003/20]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Dang, Doris Atofina D.C.R.D./D.P.I. 4-8, cours Michelet La Défense 10 92091 Paris La Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.01.1997 ADMISSIBLE STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE AUSIMONT S.p.A. 31 Foro Buonaparte I-20121 MILANO / IT Opponent's representative Sama, Daniele Sama Patents, Via G.B. Morgagni, 2 20129 Milano / IT
		05 20.12.1996 15.01.1997 ADMISSIBLE RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [2003/17]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Luziau, Nelly ELF ATOCHEM S.A., Département Propriété Industrielle, 4-8, Cours Michelet, La Défense 10 - Cedex 42 92091 Paris-La-Défense / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.01.1997 ADMISSIBLE STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE AUSIMONT S.p.A. 31 Foro Buonaparte I-20121 MILANO / IT Opponent's representative Sama, Daniele Sama Patents, Via G.B. Morgagni, 2 20129 Milano / IT
		05 20.12.1996 15.01.1997 ADMISSIBLE RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [1998/13]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Leboulenger, Jean Atofina D.C.R.D./D.P.I. 4, Cours Michelet La Défense 10 92091 Paris la Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD / GB
		03 17.12.1996 16.01.1997 ADMISSIBLE STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE AUSIMONT S.p.A. 31 Foro Buonaparte I-20121 MILANO / IT Opponent's representative Sama, Daniele Sama Patents, Via G.B. Morgagni, 2 20129 Milano / IT
		05 20.12.1996 15.01.1997 ADMISSIBLE RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [1997/08]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Leboulenger, Jean Atofina D.C.R.D./D.P.I. 4, Cours Michelet La Défense 10 92091 Paris la Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Intellectual Property Department ICI Chemicals & Polymers Limited P.O. Box 11 The Heath Runcorn, Cheshire WA7 4QE / GB
		03 17.12.1996 16.01.1997 ADMISSIBLE STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS / GB
		04 18.12.1996 10.01.1997 ADMISSIBLE AUSIMONT S.p.A. 31 Foro Buonaparte I-20121 MILANO / IT Opponent's representative Sama, Daniele Sama Patents, Via G.B. Morgagni, 2 20129 Milano / IT
		05 20.12.1996 15.01.1997 ADMISSIBLE RHONE-POULENC CHIMIE 25, Quai Paul-Doumer F-92408 Courbevoie Cedex / FR Opponent's representative Ricalens, François Rhodia Services, Direction de la Propriété Industrielle, 40, rue de la Haie-Coq 93306 Aubervilliers Cedex / FR
	Former [1997/07]
	Opponent(s)	01 10.12.1996 20.12.1996 ADMISSIBLE ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Leboulenger, Jean Atofina D.C.R.D./D.P.I. 4, Cours Michelet La Défense 10 92091 Paris la Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Intellectual Property Department ICI Chemicals & Polymers Limited P.O. Box 11 The Heath Runcorn, Cheshire WA7 4QE / GB
		03 17.12.1996 16.01.1997 ADMISSIBLE STAR REFRIGERATION LIMITED Thornliebank Industrial Estate Glasgow G46 8JW / GB Opponent's representative Horner, Martin Grenville Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS / GB
	Former [1997/06]
	Opponent(s)	01 10.12.1996 ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Leboulenger, Jean Atofina D.C.R.D./D.P.I. 4, Cours Michelet La Défense 10 92091 Paris la Défense Cedex / FR
		02 13.12.1996 02.01.1997 ADMISSIBLE Imperial Chemical Industries PLC Imperial Chemical House, Millbank London SW1P 3JF / GB Opponent's representative Dee, Ian Mark Intellectual Property Department ICI Chemicals & Polymers Limited P.O. Box 11 The Heath Runcorn, Cheshire WA7 4QE / GB
	Former [1997/05]
	Opponent(s)	01 10.12.1996 ELF ATOCHEM S.A. 4/8 Cours Michelet 92800 Puteaux / FR Opponent's representative Leboulenger, Jean Atofina D.C.R.D./D.P.I. 4, Cours Michelet La Défense 10 92091 Paris la Défense Cedex / FR
	11.02.1997	Invitation to proprietor to file observations on the notice of opposition
	15.08.1997	Reply of patent proprietor to notice(s) of opposition
	27.08.1998	Despatch of a communication from the opposition division (Time limit: M06)
	26.02.1999	Reply to a communication from the opposition division
	01.07.2003	Date of oral proceedings
	04.08.2003	Despatch of minutes of oral proceedings
	29.06.2006	Despatch of minutes of oral proceedings
	05.07.2006	Date of oral proceedings
	28.07.2008	Despatch of interlocutory decision in opposition
	23.02.2010	Legal effect of revocation of patent [2010/29]
	23.02.2010	Despatch of communication that the patent will be revoked
Appeal following opposition	23.09.2008	Appeal received No. T1877/08
	20.11.2008	Statement of grounds filed
	23.02.2010	Result of appeal procedure: revocation of the patent
	21.11.2003	Appeal received No. T1197/03
	09.02.2004	Statement of grounds filed
	14.06.2005	Result of appeal procedure: continuation of opposition procedure
	23.02.2010	Date of oral proceedings
	02.03.2010	Minutes of the oral proceedings despatched
	14.06.2005	Date of oral proceedings
	23.06.2005	Minutes of the oral proceedings despatched
Fees paid	Renewal fee
	13.07.1993	Renewal fee patent year 03
	14.06.1994	Renewal fee patent year 04
	01.05.1995	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	CH	20.03.1996
	LI	20.03.1996
	[2011/25]
Documents cited:	Search	[A]JPS63105088 ;
		[A]US4482465 (GRAY ROY A [US]) [A] 1,4,5 * column 4, line 10 - line 58 ** column 5, line 1 - line 38 *;
		[A]US4943388 (SHANKLAND IAN R [US], et al) [A] 1,4,5 * the whole document *;
		[PX]EP0419042 (STAR REFRIGERATION [GB]) [PX] 1,2,4,5 * claims 1-4 *
		[A] - DATABASE WPI, 0, Derwent World Patents Index, vol. 88, no. 24, Database accession no. 88-165828, & JPS63105088 A 19880510 (SANYO ELECTRIC & ASAHI GLASS KK) [A] 1 * abstract *

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.

Legal notice
Terms of use
24.2.32; 35p