Patent · US Expired

Polycarbonate moulding compounds and their use as layers in coextruded sheets

US6359042B1 · kind B1 · utility

10Cited by

5References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Siegfried Anders · Recklinghausen, DE
Hartmut Lower · Krefeld, DE
Wolfgang Nising · Sankt Augustin, DE
Wilfried Haese · Rheydt, DE

Key dates

Filing date	Jan 15, 2000
Grant date	Mar 19, 2002
Priority date	—
Expiry date	Jan 15, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31507
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A polycarbonate molding composition containing a UV absorber and two types of mold release agents is disclosed. The composition is suitable for use as coating or external layer on coextruded sheets.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.