Patent · US Expired

Composition based on copolycarbonates

US6583257B2 · kind B2 · utility

0Cited by

8References

15Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Holger Warth · Sha Tin, CN
Thomas Eckel · Dormagen, DE
Dieter Wittmann · Leverkusen, DE
Silke Kratschmer · Krefeld, DE

Key dates

Filing date	Sep 24, 2001
Grant date	Jun 24, 2003
Priority date	—
Expiry date	Sep 24, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L33/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to thermoplastic copolycarbonate compositions and moulded parts containing the latter having improved stress cracking resistance and thermal stability.

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