Patent · US Expired

Thermoplastic polycarbonate moulding compositions with improved ease of mould release

US4065436A · kind A · utility

16Cited by

3References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Siegfried Adelmann
Dieter Margotte
Hugo Vernaleken · Walsrode, DE
Werner Nouvertne · Krefeld, DE

Key dates

Filing date	Jul 30, 1976
Grant date	Dec 27, 1977
Priority date	—
Expiry date	Jul 30, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/105
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a thermoplastic moulding composition comprising a thermoplastic aromatic polycarbonate based on an aromatic dihydroxy compound and containing 0.01 to 0.5% by weight of an ester of a saturated aliphatic carboxylic acid with 10 to 20 C atoms per molecule and an aromatic hydroxy compound with from 1 to 6 hydroxyl groups.

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