Phosphonate polymers, copolymers, and their respective oligomers as flame retardants for polyester fibers

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United States of America Patent

PATENT NO 9290653
APP PUB NO 20120121843A1
SERIAL NO

13297788

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Abstract

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The invention relates to the use of polyphosphonates, copoly(phosphonate ester)s, copoly(phosphonate carbonate)s, and their respective oligomers, as flame retardant additives for polyester fibers to impart fire resistance while maintaining or improving processing characteristics for melt spinning fibers.

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Patent Owner(s)

Patent OwnerAddress
FRX POLYMERS INC200 TURNPIKE ROAD CHELMSFORD MA 01824

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Go, Pin Groton, US 13 55
Kagumba, Lawino Cambridge, US 28 71
Lebel, Marc-Andre Boxborough, US 13 47

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