Patent · US Expired

High temperature resistant, benzothiazole-containing polyaryl ethers

US5227454A · kind A · utility

0Cited by

1References

7Claims

0Family size

Assignee

BASF SE

Inventors

Peter Wolf · Gaithersburg, US
Gerhard Heinz · Bad Dürkheim, DE

Key dates

Filing date	Sep 24, 1991
Grant date	Jul 13, 1993
Priority date	—
Expiry date	Sep 24, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G75/23
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Soluble and/or meltable benzothiazole-containing polyaryl ethers with a glass transition temperature of above 150.degree. C. and a melting point of up to 450.degree. C. are composed essentially of repeat units of the formula I ##STR1## whose rings may be substituted by C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, aryl or halogen and where R is ##STR2##

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