Patent · US Active

Halogen-free poly(alkylene phosphates)

US9920081B2 · kind B2 · utility

2Cited by

19References

18Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Jan-Gerd Hansel · Bensberg, DE
Heiko Tebbe · Dormagen, DE

Key dates

Filing date	Jul 15, 2013
Grant date	Mar 20, 2018
Priority date	—
Expiry date	Mar 23, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2201/014
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to halogen-free oligomer mixtures of poly(alkylene phosphates), production of these and use as flame retardants, and also to flame-retardant polyurethanes comprising halogen-free oligomer mixtures as flame retardants.

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