Patent · US Expired

Flame-resistant polycarbonate molding materials

US6753364B1 · kind B1 · utility

0Cited by

13References

19Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Michael Zobel · Bridgwater, GB
Thomas Eckel · Dormagen, DE
Torsten Derr · Dormagen, DE
Dieter Wittmann · Leverkusen, DE

Key dates

Filing date	Feb 27, 2002
Grant date	Jun 22, 2004
Priority date	—
Expiry date	Aug 8, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L67/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A flame retardant molding composition is disclosed. The composition that contains polycarbonate and/or polyester carbonate and a phosphonate amines is characterized by its good level of mechanical properties, especially a high heat resistance, and exhibits low-juicing. An embodiment wherein the composition further contains a graft polymer is also disclosed.

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