Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wolfgang Ebert0
Bert Ruytinx0
Delef Michalski-Vollmer0
Rainer Mellis0
Alexander Karbach0
Alexander Meyer0
Date of Patent
March 8, 2011
0Patent Application Number
119775980
Date Filed
October 25, 2007
0Patent Primary Examiner
Patent abstract
A process for treating the working surfaces of equipment used in the production and processing of polycarbonate is disclosed. The thermal treatment in an oxidative atmosphere results in resin and molded articles having improved optical quality.
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