Patent · US Expired

Fibre reinforced polyphenylene sulphide

US4902730A · kind A · utility

0Cited by

3References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Karl-Heinz Reichert · Berlin, DE
Ingo Koschinski · Berlin, DE

Key dates

Filing date	Aug 15, 1988
Grant date	Feb 20, 1990
Priority date	—
Expiry date	Aug 15, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K9/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Improved fiber reinforcement of polyarylene sulphides is achieved by preparing the polyarylene sulphides in the presence of reinforcing fibers pretreated with arylsulphonic acid chlorides at elevated temperatures.

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