Patent · US Expired

Use of copolycarbonates

US6646101B2 · kind B2 · utility

3Cited by

3References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Silke Kratschmer · Krefeld, DE
Klaus Horn · Dortmund, DE
Annett Konig · Krefeld, DE
Rolf Wehrmann · Krefeld, DE
Steffen Kuhling · Meerbusch, DE

Key dates

Filing date	Nov 8, 2002
Grant date	Nov 11, 2003
Priority date	—
Expiry date	Nov 8, 2022

Classification

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

Abstract

The present invention provides the use of impact resistant, stress cracking resistant copolycarbonates with particularly good low temperature properties for applications in which particularly good low temperature properties are required, e.g., for automobile construction or external applications, and new copolycarbonates themselves.

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