Process For Preparing Methylene Diphenyl Diisocyanate - EP2640694

The patent EP2640694 was granted to Basf on Jan 9, 2019. The application was originally filed on Nov 14, 2011 under application number EP11782610A. The patent is currently recorded with a legal status of "Opposition Rejected".

EP2640694

BASF
Application Number
EP11782610A
Filing Date
Nov 14, 2011
Status
Opposition Rejected
Jan 12, 2024
Publication Date
Jan 9, 2019
External Links
Slate, Register, Google Patents

Patent Summary

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HUNTSMANOct 8, 2019LEEADMISSIBLE

Patent Citations (40) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONCN101003497
DESCRIPTIONDD288593
DESCRIPTIONDD288598
DESCRIPTIONDD288599
DESCRIPTIONDE102005004170
DESCRIPTIONDE102005055189
DESCRIPTIONDE10333929
DESCRIPTIONDE1923214
DESCRIPTIONDE1938384
DESCRIPTIONDE2631168
DESCRIPTIONEP0079516
DESCRIPTIONEP0116847
DESCRIPTIONEP0133538
DESCRIPTIONEP0524507
DESCRIPTIONEP0866057
DESCRIPTIONEP1270544
DESCRIPTIONEP1449826
DESCRIPTIONEP1475367
DESCRIPTIONEP1616857
DESCRIPTIONJPH06345707
DESCRIPTIONUS3912600
DESCRIPTIONUS5364958
DESCRIPTIONWO2004056756
DESCRIPTIONWO2006130405
DESCRIPTIONWO2008006775
DESCRIPTIONWO2008049783
DESCRIPTIONWO9940059
INTERNATIONAL-SEARCH-REPORTEP0116847
INTERNATIONAL-SEARCH-REPORTEP1506957
INTERNATIONAL-SEARCH-REPORTEP1561746
INTERNATIONAL-SEARCH-REPORTEP1792895
OPPOSITIONEP0538500
OPPOSITIONGB1413074
OPPOSITIONUS2004236139
OPPOSITIONUS2005020797
OPPOSITIONUS2007015934
OPPOSITIONUS2007117997
OPPOSITIONUS3366661
OPPOSITIONUS4118286
OPPOSITIONUS4465638

Non-Patent Literature (NPL) Citations (3) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
OPPOSITION- "13.12 4,4-DIPHENYLMETHANEOUSOCYANATE (MDI)", G.F. ARKENBOUT, Melt Crystallization Technology, Technomic Publishing, (19950000), XP055650713
OPPOSITION- anonymous, "Crash cooling polymeric MDI", Research Disclosure, (20070500), vol. 517, no. 017, XP007137274
OPPOSITION- "Isocyanate reactions with isocyanates", D. RANDALL et al., The polyurethanes book, John Wiley & Sons, (20020000), pages 118 - 119, XP055650705

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Dossier Documents

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