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EP0025572

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Extract from the Register of European Patents

EP About this file: EP0025572

EP0025572 - Dialkoxy-phosphonyl-N-alkyl-formic acid amides and their use as additives during the preparation of flame-coverable and high-frequency weldable polyurethane foams [Right-click to bookmark this link]
Status	No opposition filed within time limit Status updated on 12.11.1984 Database last updated on 11.04.2026
Most recent event Tooltip	12.11.1984	No opposition filed within time limit	published on 16.01.1985 [1985/03]
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 / Haas, Peter, Dr. Zwengenberger Strasse 43 D-5657 Haan 1 / DE
	02 / Müller, Heinz, Dr. Feldsieferweg 1 D-5090 Leverkusen 3 / DE
	03 / Seifert, Peter, Dr. August-Kierspel-Strasse 161 D-5060 Bergisch Gladbach 2 / DE
	04 / Wagner, Kuno, Dr. Am Kiesberg 8 D-5090 Leverkusen 1 / DE
	05 / Findeisen, Kurt, Dr. In der Follmühle 10 D-5068 Odenthal 2 / DE
	06 / König, Klaus, Dr. Heymannstrasse 50 D-5090 Leverkusen 1 / DE
	[1981/12]
Application number, filing date	80105317.4	05.09.1980
	[1981/12]
Priority number, date	DE19792937509	17.09.1979 Original published format: DE 2937509
	[1981/12]
Filing language	DE
Procedural language	DE
Publication	Type:	A1 Application with search report
	No.:	EP0025572
	Date:	25.03.1981
	Language:	DE
	[1981/12]
	Type:	B1 Patent specification
	No.:	EP0025572
	Date:	23.03.1983
	Language:	DE
	[1983/12]
Search report(s)	(Supplementary) European search report - dispatched on:	EP	19.01.1981
Classification	IPC:	C07F9/40, C08J9/00, C08L75/04	[1981/12]
	CPC:	C08J9/0038 (EP,US); C07F9/4065 (EP,US); C08J2375/04 (EP,US)
Designated contracting states	BE, DE, FR, GB, IT, NL, SE [1981/12]
Title	German:	Dialkoxy-phosphonyl-N-alkyl-ameisensäureamide und ihre Verwendung als Zusatzmittel bei der Herstellung von flammkaschierbaren und hochfrequenzverschweissbaren Polyurethanschaumstoffen	[1981/12]
	English:	Dialkoxy-phosphonyl-N-alkyl-formic acid amides and their use as additives during the preparation of flame-coverable and high-frequency weldable polyurethane foams	[1981/12]
	French:	Dérivés dialcoxy-phosphonyl de N-alcoyl-amides de l'acide formique et leur utilisation comme additifs dans la préparation de mousses polyuréthanes recouvrables à la flamme et soudables par hautes fréquences	[1981/12]
Examination procedure	05.09.1980	Examination requested [1981/12]
	02.09.1981	Despatch of a communication from the examining division (Time limit: M04)
	11.11.1981	Reply to a communication from the examining division
	16.06.1982	Despatch of communication of intention to grant (Approval: )
	17.09.1982	Communication of intention to grant the patent
	25.09.1982	Fee for grant paid
	25.09.1982	Fee for publishing/printing paid
Opposition(s)	24.12.1983	No opposition filed within time limit [1985/03]
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.
Documents cited:	Search	JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, Band 77, 1955 T. REETZ et al.: "Carbamoylphosphonates", Seiten 3813-15.
	Examination	Kunststoffhandbuch, Band VII, 1966, Mnchen, Seite 475

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