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Extract from the Register of European Patents

EP About this file: EP0272441

EP0272441 - Polymer powder containing silicone rubber, its preparation and use as a flame-retardant additive [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  07.01.1993
Database last updated on 16.11.2024
Most recent event   Tooltip07.01.1993No opposition filed within time limitpublished on 24.02.1993 [1993/08]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1988/26]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Fuhr, Karl, Dr.
Krüllsdyk 55
D-4150 Krefeld 1 / DE
02 / Müller, Friedemann, Dr.
Am Steinacker 5
D-4040 Neuss 21 / DE
03 / Lindner, Christian, Dr.
Riehler Strasse 200
D-5000 Köln 60 / DE
04 / Ott, Karl-Heinz, Dr.
Paul-Klee-Strasse 54
D-5090 Leverkusen 1 / DE
[1988/26]
Application number, filing date87116839.914.11.1987
[1988/26]
Priority number, dateDE1986364058227.11.1986         Original published format: DE 3640582
[1988/26]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0272441
Date:29.06.1988
Language:DE
[1988/26]
Type: A3 Search report 
No.:EP0272441
Date:02.11.1989
Language:DE
[1989/44]
Type: B1 Patent specification 
No.:EP0272441
Date:04.03.1992
Language:DE
[1992/10]
Search report(s)(Supplementary) European search report - dispatched on:EP12.09.1989
ClassificationIPC:C08J3/00, C08J3/12, C08L101/00, // (C08L101/00, 83:04)
[1988/26]
CPC:
C08L83/04 (EP); C08J3/005 (EP); C08L101/00 (EP);
C08G77/06 (EP)
C-Set:
C08L101/00, C08L2666/14 (EP);
C08L101/00, C08L83/04 (EP);
C08L83/04, C08L2666/04 (EP)
Designated contracting statesDE,   FR,   GB,   IT,   NL [1988/26]
TitleGerman:Silikonkautschuk enthaltende Polymerisatpulver, ihre Herstellung und ihre Anwendung als flammhemmendes Additiv[1988/26]
English:Polymer powder containing silicone rubber, its preparation and use as a flame-retardant additive[1988/26]
French:Poudre polymère contenant un caoutchouc silicone, sa préparation et son application comme agent retardant la flamme[1988/26]
Examination procedure14.11.1987Examination requested  [1988/26]
15.01.1991Despatch of a communication from the examining division (Time limit: M04)
23.02.1991Reply to a communication from the examining division
16.05.1991Despatch of a communication from the examining division (Time limit: M04)
25.05.1991Reply to a communication from the examining division
31.07.1991Despatch of communication of intention to grant (Approval: Yes)
19.08.1991Communication of intention to grant the patent
14.10.1991Fee for grant paid
14.10.1991Fee for publishing/printing paid
Opposition(s)05.12.1992No opposition filed within time limit [1993/08]
Fees paidRenewal fee
13.10.1989Renewal fee patent year 03
24.10.1990Renewal fee patent year 04
28.12.1990Renewal fee patent year 05
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Documents cited:Search[A]EP0002744  (SWS SILICONES CORP [US]);
 [A]DE2446423  (GEN ELECTRIC);
 [A]EP0166187  ;
 [AD]EP0028344  (BAYER AG [DE])
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.