Patent · US Expired

Flame retardent thermoplastic polycarbonate moulding compounds

US5741838A · kind A · utility

13Cited by

3References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Karl Fuhr · Krefeld, DE
Thomas Eckel · Dormagen, DE
Dieter Wittmann · Leverkusen, DE
Heinrich Alberts

Key dates

Filing date	Aug 9, 1995
Grant date	Apr 21, 1998
Priority date	—
Expiry date	Aug 9, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L71/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention relates to halogen-free flame retardant thermoplastic moulding compounds prepared from polycarbonate and graft polymer, which may contain thermoplastic copolymer and/or polyalkylene terephthalate, wherein the flame retardant used is polyphenylene oxide combined with phosphorus compounds.

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