Patent · US Expired

Conductive aliphatic polyester or polyetherester having units containing phosphonium sulfonate groups

US4006123A · kind A · utility

14Cited by

3References

5Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Harry Vaughn Samuelson · Chadds Ford, US
Gurdial Singh · Tunapuna, TT

Key dates

Filing date	Feb 25, 1975
Grant date	Feb 1, 1977
Priority date	—
Expiry date	Feb 25, 1995

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2973
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

An antistatic synthetic polymer having a T.sub.g (NMR) of less than 25.degree. C., a log R.sub.s of less than 10 and containing phosphonium sulfonate groups can be used to improve the conductivity of synthetic fiber-forming polymers.

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