Extract from the Register of European Patents

EP About this file: EP0004927

EP0004927 - Polyurethanes which are dispersible or soluble in water and process for their preparation [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  14.09.2016
Database last updated on 09.04.2026
Most recent event   Tooltip14.09.2016No opposition filed within time limit 
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Inventor(s)01 / Nachtkamp, Klaus, Dr.
Odinshof 17
D-5060 Bergisch-Gladbach / DE
02 / Pedain, Josef, Dr.
Haferkamp 6
D-5000 Köln 80 / DE
03 / Noll, Klaus, Dr.
Morgengraben 6
D-5000 Köln 80 / DE
[N/P]
Application number, filing date79101083.809.04.1979
Priority number, dateDE1978281681518.04.1978         Original published format: DE 2816815
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0004927
Date:31.10.1979
Language:DE
[N/P]
Type: B1 Patent specification 
No.:EP0004927
Date:24.02.1982
Language:DE
[1982/08]
Search report(s)(Supplementary) European search report - dispatched on:EP09.08.1979
ClassificationIPC:C08G18/08, C09D3/72, C08G18/38, C08G18/50, C08G18/77
[1982/08]
CPC:
C08G18/5072 (EP,US); C08G18/0828 (EP,US); C08G18/775 (EP,US);
Y10S528/904 (EP,US)
Former IPC [1982/08]C08G18/08, C08G18/38, C08G18/50, C08G18/77
Designated contracting statesBE,   DE,   FR,   GB,   IT,   NL,   SE 
TitleGerman:In Wasser dispergierbare oder lösliche Polyurethane sowie ein Verfahren zu ihrer Herstellung
English:Polyurethanes which are dispersible or soluble in water and process for their preparation
French:Polyuréthanes solubles ou dispersables dans l'eau et procédé pour leur préparation
Examination procedure09.04.1979Examination requested
03.03.1980Despatch of a communication from the examining division (Time limit: M06)
14.08.1980Reply to a communication from the examining division
26.05.1981Despatch of communication of intention to grant (Approval: )
20.08.1981Communication of intention to grant the patent
01.09.1981Fee for grant paid
01.09.1981Fee for publishing/printing paid
Opposition(s)24.11.1982No opposition filed within time limit [ N /P ]
Fees paidRenewal fee
04.04.1981Renewal fee patent year 03
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Documents cited:SearchDE2551094  (BAYER AG et al.)
 DE2446440  (BAYER AG et al.)
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