Patent No. EP2262842 (titled "2,2'-Mdi-Based Isocyanate Mixtures And The Production And Use Thereof") was filed by Bayer on Mar 14, 2009. The application was issued on Jan 24, 2018.

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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