Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 15, 2009
Patent Application Number
10572371
Date Filed
September 17, 2004
Patent Primary Examiner
Patent abstract
The invention relates to a process for the preparation of a polymer composition, the process comprising a step of contacting a polymer that comprises carboxyl groups with a cyclic imino ether compound characterized in that the cyclic imino ether compound is a phenylene oxazine according to formula (I), in which formula R=an oxazine group according to formula (II) n=0, 1, 2, 3, 4 or 5 and that the polymer is contacted with said oxazine in an extruder at a temperature above 100° C.
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