Patent · US Expired

Flame-resistant polycarbonate blends

US6906122B1 · kind B1 · utility

1Cited by

13References

21Claims

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	Aug 22, 2000
Grant date	Jun 14, 2005
Priority date	—
Expiry date	Sep 12, 2021

Classification

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

Abstract

The present invention provides thermoplastic polycarbonate blends which contain phosphonate amines and special graft polymers, which are prepared using redox initiator systems, and which are characterised by improved mechanical properties such as notched impact resistance, weld line strength and stress crack resistance.

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