Patent · US Expired

Aryloxy-alkoxy-allylphenoxy substituted polyphosphazenes

US4602048A · kind A · utility

3Cited by

6References

24Claims

0Family size

Assignee

Ethyl Corporation · US

Inventors

Harold R. Penton · Baton Rouge, US
F. Alexander Pettigrew · Baton Rouge, US

Key dates

Filing date	Nov 20, 1985
Grant date	Jul 22, 1986
Priority date	—
Expiry date	Nov 20, 2005

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2385/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyphosphazene elastomers for use in making low density foam comprising a --P<.dbd.N].sub.n substantially linear backbone randomly substituted with 20-80 mole percent phenoxy, 20-80 mole percent lower alkylphenoxy, 1-50 mole percent alkoxy and 0.5-20 mole percent alkenylphenoxy and the foamed products made therefrom.

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