Patent · US Active

Flame retardant polyamide compositions

US9150711B2 · kind B2 · utility

1Cited by

8References

14Claims

0Family size

Assignee

FRX Polymers, Inc. · US

Inventors

Dieter Freitag · Krefeld, DE
Pin Go · Lowell, US
Youmi JEONG · Boxborough, US
Lawino Kagumba · Cambridge, US

Key dates

Filing date	Nov 12, 2012
Grant date	Oct 6, 2015
Priority date	—
Expiry date	Jan 12, 2033

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L85/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Predominately amino terminated phosphonamide oligomers and their use as flame retardant additives in polyamides and copolyamides without detracting from melt processability are described herein. Other important properties such as strength, modulus, dyeing and thermal stability are maintained.

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