Deutsch English Français

Contact

EP0025549

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

Italy joins the Federated Register

Click here for more information on the Federated Register.

2025-06-12

More...

Extract from the Register of European Patents

EP About this file: EP0025549

EP0025549 - Process for producing resilient, flame-sealable and high-frequency weldable polyurethane foams, and the products obtained thereby [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 09.04.2026
Most recent event Tooltip	14.09.2016	No opposition filed within time limit
Applicant(s)	For all designated states BAYER AG 51368 Leverkusen / DE
	[N/P]
Former [1981/12]	For all designated states BAYER AG D-51368 Leverkusen / DE
Inventor(s)	01 / König, Klaus, Dr. Heymannstrasse 50 D-5090 Leverkusen 1 / DE
	02 / Seifert, Peter, Dr. August-Kierspel-Strasse 161 D-5060 Bergisch-Gladbach / DE
	03 / Reichmann, Wolfgang, Dr. Vohwinkelallee 19 D-4000 Düsseldorf / DE
	04 / Illger, Hans-Walter, Dr. Im Tentefeld 27 D-5064 Rösrath / DE
	05 / Müller, Heinz, Dr. Feldsieferweg 1 D-5090 Leverkusen 3 / DE
	[1981/12]
Application number, filing date	80105227.5	03.09.1980
	[1981/12]
Priority number, date	DE19792937330	14.09.1979 Original published format: DE 2937330
	[1981/12]
Filing language	DE
Procedural language	DE
Publication	Type:	A2 Application without search report
	No.:	EP0025549
	Date:	25.03.1981
	Language:	DE
	[1981/12]
	Type:	A3 Search report
	No.:	EP0025549
	Date:	26.08.1981
	Language:	DE
	[1981/34]
	Type:	B1 Patent specification
	No.:	EP0025549
	Date:	09.03.1983
	Language:	DE
	[1983/10]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	23.06.1981
Classification	IPC:	C08G18/66	[1981/12]
	CPC:	C08G18/3221 (EP,US); C08G18/6674 (EP,US); C08G2110/0008 (EP,US); C08G2110/0033 (EP,US); C08G2110/005 (EP,US); C08G2110/0083 (EP,US)
Designated contracting states	BE, DE, FR, GB, IT, NL, SE [1981/12]
Title	German:	Verfahren zur Herstellung von elastischen, flammkaschierbaren und hochfrequenzverschweissbaren Polyurethanschaumstoffen und die hierbei erhaltenen Produkte	[1981/12]
	English:	Process for producing resilient, flame-sealable and high-frequency weldable polyurethane foams, and the products obtained thereby	[1981/12]
	French:	Procédé de préparation de mousses de polyuréthane élastiques, scellables à la flamme, soudables à haute-fréquence et produits ainsi obtenus	[1981/12]
Examination procedure	03.09.1980	Examination requested [1981/12]
	28.05.1982	Despatch of communication of intention to grant (Approval: )
	25.08.1982	Communication of intention to grant the patent
	02.09.1982	Fee for grant paid
	02.09.1982	Fee for publishing/printing paid
Opposition(s)	10.12.1983	No opposition filed within time limit [ N /P ]
Fees paid	Renewal fee
	16.09.1982	Renewal fee patent year 03
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.

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.