Patent · US Expired

Process for the preparation of optionally branched polyarylene sulphides having reduced corrosiveness with ketone diluent and organic solvent

US4786712A · kind A · utility

3Cited by

5References

7Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Edgar Ostlinning · Goldkronach, DE
Karsten-Josef Idel · Krefeld, DE
Rolf-Volker Meyer · Krefeld, DE

Key dates

Filing date	Oct 17, 1984
Grant date	Nov 22, 1988
Priority date	—
Expiry date	Oct 17, 2004

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G75/0254
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention relates to a process for the preparation of optionally branched polyarylene sulphides which are distinguished by their substantially lower corrosiveness.

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