Patent · US Expired

Aromatic polyether-sulfones

US4065437A · kind A · utility

21Cited by

5References

7Claims

0Family size

Assignee

BASF SE

Inventors

Gerd Blinne · Worms, DE
Claus Cordes

Key dates

Filing date	Oct 12, 1976
Grant date	Dec 27, 1977
Priority date	—
Expiry date	Oct 12, 1996

Classification

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

Abstract

New thermoplastic polymers based on aromatic polyether-sulfones, which have molecular weights of from about 15,000 to 35,000 and contain units of the formula ##STR1## and a process for their manufacture.

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