Process for the production of polycarbonates

U.S. Patent Number: 5384389

Abstract: A process for the production of polycarbonates is disclosed. Accordingly, oligocarbonate in the melt is passed through a heated tube and inert gas is simultaneously introduced by injecting to the melt.

Inventors: Alewelt; Wolfgang (Krefeld, DE), Kauth; Hermann (Krefeld, DE), Kuhling; Steffen (Krefeld, DE)

Assignee: Bayer Aktiengesellschaft (Leverkusen, DE)

Application Number: 08/155,393

Issued: 1995-01-24

Expired: 2007-01-24

Classes: 528/168 ; 526/64; 528/196; 528/198; 528/204; 528/483; 528/484

Field of search: 528/483,484,196,168,198,204 526/64

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