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EP0135867

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Extract from the Register of European Patents

EP About this file: EP0135867

EP0135867 - Process for the preparation of microcellular or foamed bodies and compounds able to the elaboration of this process, having groups reactive with isocyanate groups [Right-click to bookmark this link]
Status	Opposition rejected Status updated on 01.06.1990 Database last updated on 28.03.2026
Most recent event Tooltip	01.06.1990	Opposition rejected	published on 18.07.1990 [1990/29]
Applicant(s)	For all designated states BAYER AG 51368 Leverkusen / DE
	[N/P]
Former [1985/14]	For all designated states BAYER AG D-51368 Leverkusen / DE
Inventor(s)	01 / Rasshofer, Werner, Dr. Wolfskaul 10 D-5000 Köln 80 / DE
	02 / Meiners, Hans-Joachim, Dr. Ringstrasse 25 D-5090 Leverkusen 1 / DE
	03 / Seel, Klaus, Dr. Märchenstrasse 72 D-5000 Köln 80 / DE
	04 / Wussow, Hans-Georg, Dr. Benrodestrasse 51 D-4000 Düsseldorf 13 / DE
	[1985/14]
Application number, filing date	84110590.1	06.09.1984
	[1985/14]
Priority number, date	DE19833333464	16.09.1983 Original published format: DE 3333464
	[1985/14]
Filing language	DE
Procedural language	DE
Publication	Type:	A2 Application without search report
	No.:	EP0135867
	Date:	03.04.1985
	Language:	DE
	[1985/14]
	Type:	A3 Search report
	No.:	EP0135867
	Date:	15.05.1985
	Language:	DE
	[1985/20]
	Type:	B1 Patent specification
	No.:	EP0135867
	Date:	22.07.1987
	Language:	DE
	[1987/30]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	12.03.1985
Classification	IPC:	C08G18/50, C08G18/66, C08G18/14, C08G18/32	[1985/14]
	CPC:	C08G18/3265 (EP,US); C08G18/503 (EP,US); C08G18/667 (EP,US); C08G2120/00 (EP,US); Y10S264/05 (EP,US); Y10S264/83 (EP,US); (+) Y10T428/249989 (EP,US) (-)
Designated contracting states	DE, FR, GB, IT [1985/14]
Title	German:	Verfahren zur Herstellung von mikrozellularen oder geschäumten Formkörpern und zur Durchführung dieses Verfahrens geeignete Verbindungen mit gegenüber Isocyanatgruppen reaktionsfähigen Gruppen	[1985/14]
	English:	Process for the preparation of microcellular or foamed bodies and compounds able to the elaboration of this process, having groups reactive with isocyanate groups	[1985/28]
	French:	Procédé de préparation de corps obtenus par moulage microcellulaires ou sous forme de mousses et composés aptes à la mise en oeuvre de ce procédé, ayant des groupes réactifs avec des groupes isocyanates	[1985/28]
Examination procedure	06.09.1984	Examination requested [1985/14]
	16.12.1985	Despatch of a communication from the examining division (Time limit: M04)
	22.01.1986	Reply to a communication from the examining division
	19.03.1986	Despatch of a communication from the examining division (Time limit: M04)
	15.05.1986	Reply to a communication from the examining division
	19.09.1986	Despatch of communication of intention to grant (Approval: )
	13.01.1987	Communication of intention to grant the patent
	17.01.1987	Fee for grant paid
	17.01.1987	Fee for publishing/printing paid
Opposition(s)	Opponent(s)	01 21.04.1988 07.06.1988 ADMISSIBLE Imperial Chemical Industries PLC Legal Department Patents PO Box 6 Bessemer Road Welwyn Garden City Hertfordshire AL7 1HD / GB Opponent's representative Leherte, Georges M.L.M. Intellectual Property Department ICI Polyurethanes Everslaan 45 3078 Everberg / BE
		[N/P]
	Former [1988/25]
	Opponent(s)	01 21.04.1988 07.06.1988 ADMISSIBLE Imperial Chemical Industries PLC Legal Department Patents PO Box 6 Bessemer Road Welwyn Garden City Hertfordshire AL7 1HD / GB Opponent's representative Leherte, Georges Maurice Lucien Marie Intellectual Property Department ICI Polyurethanes Everslaan 45 B-3078 Everberg / BE
	09.06.1988	Invitation to proprietor to file observations on the notice of opposition
	23.06.1988	Reply of patent proprietor to notice(s) of opposition
	20.07.1988	Communication of observations of patent proprietor (Time limit: M02)
	06.09.1988	Reply of parties involved to observations of patent proprietor
	05.01.1989	Despatch of a communication from the opposition division (Time limit: M06)
	03.07.1989	Reply to a communication from the opposition division
	25.01.1990	Date of oral proceedings
	22.02.1990	Despatch of minutes of oral proceedings
	22.02.1990	Date of despatch of rejection of opposition
	05.03.1990	Legal effect of rejection of opposition [1990/29]
Fees paid	Renewal fee
	22.08.1986	Renewal fee patent year 03
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