Patent · US Active

Salts of pyrophosphonic acid as flame retardants

US10035896B2 · kind B2 · utility

0Cited by

9References

16Claims

0Family size

Assignee

LANXESS Solutions US Inc. · US

Inventors

Zachary D. Stockdale · West Lafayette, US
Matthew S. Burge · Wesel, DE

Key dates

Filing date	Apr 20, 2015
Grant date	Jul 31, 2018
Priority date	—
Expiry date	Oct 7, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2201/02
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Flame retardant polymer compositions comprising certain thermally stable salts of pyrophosphonic acid as flame retardant materials, which flame retardant materials comprise one or more than one metals, are prepared and have excellent flame retardant activity.

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