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Extract from the Register of European Patents

EP About this file: EP0056576

EP0056576 - Process for producing polyurethanes which may be foamed [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.06.1986
Database last updated on 24.08.2024
Most recent event   Tooltip23.06.1986No opposition filed within time limitpublished on 13.08.1986 [1986/33]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1982/30]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Rasshofer, Werner, Dr.
Wolfskaul 10
D-5000 Köln 80 / DE
02 / Avar, Geza, Dr.
Bamberger Strasse 1
D-5090 Leverkusen 1 / DE
03 / Freitag, Hans-Albrecht, Dr.
Mülheimer Strasse 135
D-5060 Bergisch-Gladbach / DE
04 / Grögler, Gerhard, Dr.
von-Diergardt-Strasse 46
D-5090 Leverkusen / DE
05 / Kopp, Richard, Dr.
Wolfkaul 12
D-5000 Köln 80 / DE
[1982/30]
Application number, filing date82100039.507.01.1982
[1982/30]
Priority number, dateDE1981310097715.01.1981         Original published format: DE 3100977
[1982/30]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0056576
Date:28.07.1982
Language:DE
[1982/30]
Type: A3 Search report 
No.:EP0056576
Date:15.12.1982
Language:DE
[1982/50]
Type: B1 Patent specification 
No.:EP0056576
Date:28.08.1985
Language:DE
[1985/35]
Search report(s)(Supplementary) European search report - dispatched on:EP11.10.1982
ClassificationIPC:C08G18/24, C08G18/73, C08G18/75
[1982/50]
CPC:
C08G18/246 (EP,US)
Former IPC [1982/30]C08G18/24
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL,   SE [1982/30]
TitleGerman:Verfahren zur Herstellung von gegebenenfalls geschäumten Polyurethanen[1982/30]
English:Process for producing polyurethanes which may be foamed[1982/30]
French:Procédé pour la fabrication de polyuréthanes éventuellement expansés[1982/30]
Examination procedure07.01.1982Examination requested  [1982/30]
22.11.1984Despatch of communication of intention to grant (Approval: )
15.02.1985Communication of intention to grant the patent
25.02.1985Fee for grant paid
25.02.1985Fee for publishing/printing paid
Opposition(s)29.05.1986No opposition filed within time limit [1986/33]
Fees paidRenewal fee
16.12.1983Renewal fee patent year 03
13.12.1984Renewal fee patent year 04
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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[A]JP51117749  ;
 [A]JP47022331  ;
 [A]DE1595256  (ALLIED CHEM);
 [A]DE2455289  (BASF WYANDOTTE CORP)
 [A]  - PATENT ABSTRACTS OF JAPAN, Band 1, Nr. 9, 17. Maerz 1977, Seite 245, C-76; & JP - A - 51 - 117 749, & JP51117749 A 00000000
 [A]  - CHEMICAL ABSTRACTS, Band 77, Nr. 26, 25. Dezember 1972, Columbus, Ohio, (USA) O. ISHIDA et al: "Polymerization catalysts for formaldehyde", Seite 18, Spalte 2, Abstract Nr. 165320g; & JP - A - 47 - 022331, & JP47022331 A 00000000
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.