Patent · US Expired

Poly(ester) carbonate molding compositions

US7186767B2 · kind B2 · utility

5Cited by

10References

17Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Andreas Seidel · Dormagen, DE
Thomas Eckel · Dormagen, DE
Holger Warth · Sha Tin, CN

Key dates

Filing date	Dec 1, 2003
Grant date	Mar 6, 2007
Priority date	—
Expiry date	Jan 5, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W10/37
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A thermoplastic molding compositions having improved stress cracking resistance is disclosed. The composition contains The structure of the branched resin contains at least one residue of a branching agent selected from among tri-functional phenolic monomer and tetra-functional phenolic monomer.

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