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Extract from the Register of European Patents

EP About this file: EP1645577

EP1645577 - Process for preparing polyisocyanates having iminoooxadiazinedione groups [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  26.06.2009
Database last updated on 14.11.2024
Most recent event   Tooltip02.10.2009Lapse of the patent in a contracting statepublished on 04.11.2009  [2009/45]
Applicant(s)For all designated states
Bayer MaterialScience AG
51368 Leverkusen / DE
[N/P]
Former [2006/15]For all designated states
Bayer MaterialScience AG
51368 Leverkusen / DE
Inventor(s)01 / Richter, Frank, Dr.
Heymannstrasse 40
51373 Leverkusen / DE
 [2006/15]
Application number, filing date05020857.824.09.2005
[2006/15]
Priority number, dateDE2004104887107.10.2004         Original published format: DE102004048871
[2006/15]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP1645577
Date:12.04.2006
Language:DE
[2006/15]
Type: B1 Patent specification 
No.:EP1645577
Date:20.08.2008
Language:DE
[2008/34]
Search report(s)(Supplementary) European search report - dispatched on:EP27.01.2006
ClassificationIPC:C08G18/02, C08G18/18, C08G18/78, C07D273/04
[2006/15]
CPC:
C08G18/022 (EP,US); C08G18/02 (EP,US); C08G18/1883 (EP,US);
C08G18/7887 (EP,US)
Designated contracting statesDE,   ES,   FR,   GB,   IT [2006/51]
Former [2006/15]AT,  BE,  BG,  CH,  CY,  CZ,  DE,  DK,  EE,  ES,  FI,  FR,  GB,  GR,  HU,  IE,  IS,  IT,  LI,  LT,  LU,  LV,  MC,  NL,  PL,  PT,  RO,  SE,  SI,  SK,  TR 
TitleGerman:Verfahren zur Herstellung von Iminooxadiazindiongruppen aufweisenden Polyisocyanaten[2006/15]
English:Process for preparing polyisocyanates having iminoooxadiazinedione groups[2006/15]
French:Procédé de préparation de polyisocyanates possédant des groupes iminoooxadiazinedione[2006/15]
Examination procedure12.10.2006Examination requested  [2006/47]
27.03.2008Communication of intention to grant the patent
07.07.2008Fee for grant paid
07.07.2008Fee for publishing/printing paid
Opposition(s)25.05.2009No opposition filed within time limit [2009/31]
Fees paidRenewal fee
01.10.2007Renewal fee patent year 03
22.03.2008Renewal fee patent year 04
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Lapses during opposition  TooltipIT20.08.2008
[2009/45]
Documents cited:Search[DA]EP0798299  (BAYER AG [DE]) [DA] 1-5 * page 5, line 16 - page 7, line 46 * * example 4 *;
 [A]DE19824490  (BAYER AG [DE]) [A] 1-5 * example 5; table 4 ** page 2, line 3 - line 61 *;
 [A]WO02092656  (BAYER AG [DE], et al) [A] 1-5 * page 5, line 17 - line 25 * * page 18 * * examples 1,2; tables 1-3 *;
 [DA]  - LAAS H J ET AL, "ZUR SYNTHESE ALIPHATISCHER POLYISOCYANATE-LACKPOLYISOCYANATE MIT BIURET-, ISOCYANURAT- ODER URETDIONSTRUKTUR THE SYNTHESIS OF ALIPHATIC POLYISOCYANATES CONTAINING BIURET, ISOCYANURATE OR URETDIONE BACKBONES FOR USE IN COATINGS", JOURNAL FUR PRAKTISCHE CHEMIE, CHEMIKER ZEITUNG, WILEY VCH, WEINHEIM, DE, (199401), vol. 336, no. 3, ISSN 1436-9966, pages 185 - 200, XP000441642 [DA] 1-5 * page 192 - page 194 *

DOI:   http://dx.doi.org/10.1002/prac.19943360302
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.